Test Report No EEC12-03/MLM dated 27 MAR 2012

Transcription

1 Note: This report is issued subject to the Testing and Certification Regulations of the TÜV SÜD Group and the General Terms and Conditions of Business of TÜV SÜD SB te Ltd. In addition, this report is governed by the terms set out within this report. Subject TYE TESTING OF 13A SWITCHED SOCKET OUTLETS () Client Schneider Electric Asia acific Ltd 13/F East Wing, Warwick House, Taikoo lace, 979 King s Road, Quarry Bay Hong Kong Attn: Ms. Jiang Shu ing Sample Submission Date 29 Feb LA A LA F LA B LA G LA G LA E LA C LA D The results reported herein have been performed in accordance with the laboratory s terms of accreditation under the Singapore Accreditation Council - Singapore Laboratory Accreditation Scheme. Tests/Calibrations marked "Not SAC-SINGLAS Accredited" in this Report are not included in the SAC- SINGLAS Accreditation Schedule for our laboratory. Laboratory: TÜV SÜD SB te. Ltd. No.1 Science ark Drive Singapore hone : Fax : testing@tuv-sud-psb.sg Co. Reg : R Regional Head Office: TÜV SÜD Asia acific te. Ltd. 3 Science ark Drive, #04-01/05 The Franklin, Singapore age 1 of 41

2 TEST REORT 13A Switched and Unswitched Socket-Outlets Report Reference No.... : EEC12-03/MLM Tested by (+ signature)... : Mak Lai Meng... Approved by (+ signature)... : hua Kim Suah... Date of issue... : 27 Mar 2012 Testing Laboratory... : TÜV SÜD SB te Ltd Address... : No. 1 Science ark Drive, Singapore Testing location... : Same as above Applicant s name... : Schneider Electric Asia acific Ltd Address... : 13/F East Wing, Warwick House, Taikoo lace, 979 King s Road, Quarry Bay, Hong Kong Test specification: Standard... : SS 145 art 2 : 2010 Test procedure... : Same as above Non-standard test method... : Test item description... : 2-Gang13A Switched Socket-Outlets Trade Mark... : Schneider Electric Manufacturer name... : Clipsal Manufacturing (Huizhou) Limited Model/Type reference... : E84T25, E84T25 SA, E84T25 SW, E84T25 SZ, Test item particulars Rating..: 13A 250V ~ Method of application : Flush Method of connecting the cable.. : Type of terminals / termination : E84T25N, E84T25N SA, E84T25N SW, E84T25N SZ Rewirable Screw type Existence of fuse.: Without fuse Existence of switch.: Switched Existence of indicator lamp...: With & withouth neon age 2 of 41

3 Test case verdicts Test case does not apply to the test object...: N(A) Test item does meet the requirement...: (ass) Test item does not meet the requirement...: F(ail) Testing Date of receipt of test item...: 29 Feb Date(s) of performance of test...: 01 Mar to 27 Mar General remarks The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Issuing testing laboratory. "(see Enclosure #)" refers to additional information appended to the report. "(see appended table)" refers to a table appended to the report. Copy of marking plate Cover plate Frame Base CLISAL L E84T25 13A 250V~ N BS1363 SS145 MS589 age 3 of 41

4 Summary of testing: 1. All the models submitted were similar in design and construction using the same components except that models E84T25N, E84T25N SA, E84T25N SW, E84T25N SZ were fitted with neon lamps. 2. Type test was conducted on model E84T25 to represent the rest of the models unless otherwise stated. 3. The switched socket-outlets submitted are deemed to comply with : roduct information:- age 4 of 41

5 5 General conditions for type testing (apply to all test sequence) 5.1 All tests shall be type test Noted Socket-outlets shall be tested as delivered Noted Socket-outlets shall be tested at an ambient temperature of 27 o C ± 5 o C and after being conditioned at normal laboratory temperature and humidity levels for at least 4 days Unless otherwise stated by the manufacturer flushmounted socket-outlets shall be tested when mounted in a box complying with BS 4662 the fixing screws being tightened with a torque of 0.6 Nm ± 10%. Other types shall be mounted according to the manufacturer s instructions. Socket-outlets used for the tests shall be representative of normal production items in respect of all details which may affect the test results Non-rewirable socket-outlet shall be supplied with an appropriate flexible cord which shall be at least 1 m long Socket-outlets shall be deemed to comply if no specimen fails in the complete series of tests given in Table 1. If one specimen fail in the complete series of tests given in Table 1, then socket-outlets of that type shall be deemed to have failed to comply with this part of SS 145, unless the socket-outlets shall be shown to be not representative of normal production or design, in which case a further type test sample shall be submitted to the test or tests in that particular group. If there is no failure in this re-test then socket-outlets of that type shall be deemed to comply with this part of SS 145. If more than 1 specimen fails in the complete series of test given in Table 1 then socket-outlets of that type shall be deemed not to comply with this part of SS 145. For type testing, all test have been included in the test schedule and shall be performed in the specified order 5.2 All inspections and tests, of any one classification (see cl. 6) shall be carried out as specified in the clauses listed in table 1 on the number of specimens in the sample column and in the order given 23 o C Noted Noted Noted Noted Noted Noted Noted Noted Noted age 5 of 41

6 5.3 Gauges in accordance with the fig. 11, 12, 14 and 16 shall be considered to comply with the dimensional requirements if the results of the measure values are within the specified dimensions and the uncertainty of measurement at not less than 95% confidence level not exceed ± mm Noted 6 Classification Samples # 1, 2, 3 Inspection, measurement, gauging and manipulation Sequence no.1 Single or multiple 2-gang Switched or unswitched Switched Fused or unfused Unfused Fixed or portable Fixed (if fixed) flush or surface or panel mount Flush (if portable) rewirable or non-rewirable With or without indicator lamp Both 7 Marking and Labelling Samples # 1, 2, Socket-outlets legibly and durably marked with the following information: a) either the name, trade mark or identification of the manufacturer s or responsible vendor s name Schneider Electric b) the number of this standard SS 145 c) for portable socket-outlets the number of this Standard followed by /A d) on rewirable socket-outlets; the terminals intended for connection of various conductors shall be identified by the symbols given in 7.5 e) for fused socket-outlets, the words FUSE or FUSED or symbol (as given in 7.5) on the engagement surface of the socket f) fixed fused multiple socket-outlets shall be marked with max. rated current on engagement surface g) all socket-outlets shall be marked with the following: - rated current 13A - rated voltage 250V - nature of supply ~ age 6 of 41

7 All the markings shall not be placed on screws, removable washers or other easily removable parts, or upon parts intended for separate sale ortable socket-outlets shall be marked on the accessible external surface In the case of a non-rewirable portable socketoutlets, the rated current shall be the maximum current appropriate to the attached flexible cord as given in Table 2. Non-rewirable socket-outlets; the rated current shall be the maximum current appropriate to the attached flexible cord as given in table Marking durables and easily legible. Test: 15 s with water and 15 s with aliphatic solvent hexane The marking shall remain legible Markings produced by engraving or moulding process shall be deemed to comply without test 7.2 ortable fused socket-outlets shall have a removable tag or label indicating the rating of the fuse link fitted mould Compliance shall be checked by inspection 7.3 ortable socket-outlets fitted with a flexible cord shall be supplied with a label or instruction indicating the colour coding of the cores of the flexible cord as follows: Wires in the mains lead shall be coloured in accordance with the following code: Green/yellow Earth Blue Neutral Brown Live Compliance shall be checked by inspection 7.4 Rewirable portable socket-outlets shall be provided with adequate instructions for the safe connection of the appropriate 3-core flexible cord, including clear instructions for the removable of insulation from the conductor Compliance shall be checked by inspection 7.5 If symbols are used they shall be as follows: Amperes A A Volts V V Alternating current ~ ~ age 7 of 41

8 Line L L Neutral N N Earth E or earth symbol Fuse symbol If a symbol for nature of supply is used, it shall be placed next to the marking for rated current and rated voltage 13A 250V ~ 9 Accessibility of live parts Samples # 1, 2, Socket-outlets shall be so designed that when they are mounted and wired as in normal use, live parts not accessible Compliance shall be checked by the application of test pin shown in Fig.1 perpendicular to the accessible external surface of the socket-outlet with a force of 5 N. It shall not be possible to touch live parts Not accessible 11 Terminals and terminations Samples # 1, 2, Terminals and terminations provide for effective clamping and securing of conductors; so that efficient electrical connection is made Checked shall be checked in accordance with 11.2 to Rewirable socket-outlets provided with screw type terminals as defined in 3.20 illar terminal Compliance shall be checked by inspection 11.3 Non-rewirable socket-outlets provided with soldered, welded, crimped or equally effective permanent connections Not more than one strand of a 0.5 mm2 conductor or 2 strands of other sized conductors fractured during connection Screwed and snap-on connections shall not be used Crimped connection shall not be made on to presoldered flexible cords unless the soldered is entirely outside the crimp Compliance shall be checked by inspection and measurement 11.4 Terminals in rewirable portable socket-outlet shall permit the connection, without special preparation, of flexible cords having nominal conductor cross section areas of 0.5 mm 2 to 1.5 mm 2 age 8 of 41

9 Compliance shall be checked by inspection and by fitting the appropriate conductors 11.5 Line and neutral terminals in fixed socket-outlets shall permit the connection without special preparation, of one, two or three 2.5 mm 2 solid or stranded or of one or two 4 mm 2 stranded conductors Compliance shall be checked by fitting the appropriate conductors 11.6 Earthing terminals in fixed socket-outlets shall permit the connection, without special preparation, of one, two or three 2.5 mm 2 solid or stranded or of one or two 4 mm 2 stranded conductors Compliance shall be checked by fitting the appropriate conductors 3x2.5 mm 2 2x4.0 mm 2 3x2.5 mm 2 2x4.0 mm Where pillar terminals are used they shall be as follows : - clamping screws of sufficient length to extend to the far side of the conductor hole - the end of screw shall be slightly rounded so as to minimise damaged to the conductor - clearance not exceed 0.4 mm for flexible cords and 0.6 mm for fixed wiring Compliance shall be checked by inspection and measurement 11.8 Terminal screws shall have declare outside diameter not less than 3 mm or be not smaller than 6 B.A Thread cutting and/or thread forming screws shall not be used Compliance shall be checked by inspection and measurement 11.9 Terminals in rewirable portable socket-outlet located or shielded that should a stray strand of a flexible of conductor escape, there is negligible risks of accidental connection between live parts and accessible external surfaces, or fuse link (if any) Req. < 0.6 mm Mea.: mm Req. 3.0mm Mea.: mm Compliance shall be checked by the following tests According to the manufacturer instruction, insulation of flexible conductors of 1.5 mm 2 is removed and connected to the terminal. The free strand connected to a live terminal shall not a) touch any metal part, so as to bypass any fuse link age 9 of 41

10 b) touch any metal part which is accessible or is connected to an accessible metal part c) reduce creepage distance and clearances to accessible surfaces to less than 1.3 mm The free strand of a flexible conductor connected to an earthing terminal shall not touch any live parts 9 Accessibility to live parts Samples # 1, 2, Socket-outlets shall be designed and constructed so as to protect the user against accidental contact with live part during insertion or withdrawal of plugs Compliance shall be checked by satisfying the dimensional and gauging requirements of this part of SS It shall not be possible to introduce a conducting device through the earthing socket aperture that there is risk of making contact with any live conductor with or without insulation Compliance shall be checked by introducing a rigid metal pin (1mm dia. x 60 mm ) long through the earting socket aperture with a force of 5 N Min. & max GO gauges No contact with live parts 10 rovision for earthing Samples # 1, 2, Socket-outlets earth connection made before the current-carrying pins of the plug become live during insertion and break last during withdrawing of the plug Compliance shall be checked by inspection and electrical test 13 Construction of socket-outlets Samples # 1, 2, The disposition of the socket contacts shall be as shown in Fig. 3 There shall be no projection on the engagement surface to prevent full insertion of a plug The spacing of the socket contacts shall correspond with plug pins according to SS Compliance shall be checked by the use of gauge shown in Fig. 11 Raised markings shall not projects more than 0.5 mm from the engagement face and comply with 13.2 GO gauge No raise marking age 10 of 41

11 13.2 The line and neutral contact in the socket-outlet shall make satisfactory contact with the corresponding pins of a plug when correctly and fully inserted Compliance shall be checked by the use of the gauge in Fig. 12 and the circuit shown in Figure 13. Both indicator lamps shall light 13.3 Distance between front surface and to the first point of contact shall not be less than 9.6 mm Compliance shall be checked by used of gauge of fig. 14 and the circuit shown in fig. 13. Neither indicator shall light 13.9 Apertures for the reception of the line and neutral plug pins not exceed 7.2 mm x 4.8mm and for the earthing plug pin 8.8 mm x 4.8 mm The holes for the line and neutral plug pins in metal plates shall have sufficient insulating material around them to ensure compliance with Clause 8 Earth socket contacts may be flush with the front face of cover or cover plates shall not depend for their effectiveness on insulating material of the cover In such a case the aperture shall be measured between the contact faces at the maximum separation Compliance shall be checked by inspection and measurement No part of the aperture intended for the reception of the line or neutral pin shall be less than 9.5 mm from the periphery of the accessible external surface of a socket-outlet Distance shall not less be than 18 mm if the shutter is operated by the simultaneous insertion of the current-carrying plug pins Cmpliance shall be checked by inspection and measurement Multiple socket-outlets shall be capable of simultaneous use of all socket-outlets Compliance shall be checked by inspection and by fitting gauges shown in Fig. 11 in adjacent socketoutlets of the multiple socket-outlets Conductive components of socket-outlets shall be so located and separated that, in normal use, they cannot be displaced so as to affect adversely the safety or proper operation of the socket-outlet Compliance shall be checked by inspection and manipulation Contact gauge Non-contact gauge L.: 7.0 mm x 4.65 mm N.: 7.0 mm x 4.65 mm E.: 8.7 mm x 4.65 mm 23.3 mm age 11 of 41

12 13.15 Flush socket-outlets for use in enclosure according to BS 4662 size of the base shall be such: - that clearance of wiring between the base and the inside walls of the box not less than 6 mm - that clearance between the base and the bottom of a 35.0 mm deep box is not less than 14 mm There shall be no live metal protruding from or flush with socket-outlet base Any exposed live metal part recessed to give necessary clearance distance from any earthed metal which may come into contact with the base Socket-outlets for use in other enclosure shall provide adequate wiring space according to the method of entry of all necessary cables Where is is intended that fixed airing conductors pass through the holes in the base of the socketoutlet to the terminals, each holeshall be large enough to accept three 2.5 mm 2 cable core with their insulation, the sheath, if any, having been removed Compliance shall be checked by inspection and measurement Fixed surface mounted socket-outlets provided with fixing holes accept No. 6 wood screws complying with BS mm 23.0mm Flush or semi-flush mounted socket-outlet plates use on boxes according to BS 4662 shall have provision for: - two M3.5 fixing screw screws at centre of 60.3 mm ± 0.2mm on the horizontal or vertical centreline for 1 gang or mm ± 0.3mm on the longitudinal centreline for 2 gang socket-outlets mm ± 0.4mm on the longitudinal centreline for 3 gang socket-outlets Size and disposition of fixing holes to allow satisfactory attachment to boxes having centre manufactured to a ± 0.8 mm tolerance Compliance shall be checked by inspection and measurement Flush socket-outlet plates of insulating material, metal or a combination of both, min mm x 82.5 mm for a single socket-outlet and min mm x mm for multiple socket-outlets Compliance shall be checked by inspection and measurement 120.6mm 0.6mm 86.8mm x 147.2mm age 12 of 41

13 13.18 Base and cover of non-rewirable portable socketoutlets permanently attached, flexible cord cannot be separated without making it permanently useless Base and cover of non-rewirable portable socketoutlets cannot be opened by hand or by using general purpose tool Base and cover of rewirable portable socket-outlets firmly secured, they cannot be detached from each other without the aid of a tool Compliance shall be checked by inspection ortable socket outlet cannot be deformed to allow access to live part Compliance shall be checked by inspection and by used of test probe 11 od IEC applied with a force of 30N immediately after the temperature rise test described in Clause Non-rewirable portable socket-outlets means provided to prevent loose strands of a conductor from reducing the minimum insulation thickness requirements between such parts and all accessible external surfaces of the socket-outlet Compliance shall be checked by inspection and the test describe in Connection of flexible cords and cord anchorage Samples # 1, 2, Cord anchorage in rewirable portable socket-outlets shall anchor the cord securely to the socket outlet. The design shall ensure the following:- a) cord anchorage not removable from the outside without the use of a tool b) it shall not be possible to touch cord anchorage screws, if any, with test probe B of SS 101 when the socket-outlet is energized c) the cord is not clamped by metal part bearing directly on the flexible cord d) at least one part of the cord anchorage is securely fixed to the socket-outlet e) clamping the cord does not require a special tool f) the cover may be correctly fitted without damage when the portable socket-outlet is wired with the largest specified flexible cord and all screws are tightened to the torque specified in table Compliance shall be checked by inspection and test age 13 of 41

14 19.3 Screws which are used when clamping the flexible cord not serve to fix any other component Unless the portable socket-outlet is rendered manifestly incomplete if the component is omitted or replaced in an incorrect position Or the component intended to be fixed cannot be removed without further use of a tool Compliance shall be checked by inspection 19.4 Non-rewirable portable socket-outlets shall be fitted with 3 core flexible cords complying with SS 358. Connections shall be as given in table Compliance shall be checked by inspection and continuity test 19.6 The cord entry to rewirable portable socket-outlets shall be so shaped as to prevent damaged to the cord Compliance shall be checked by inspection 21 Screws, current-carrying parts and connection Samples # 1, 2, Screwed connections, electrical or otherwise shall withstand mechanical stresses occurring in normal use Screws which transmitting electrical contact pressure shall screw into metal Screws shall not be of metal which is soft and liable to creep Screws shall not of insulating material if their replacement by a metal screw would affect the safety or performance requirements of the socketoutlet Contact pressure not transmitted through insulating material other than ceramic, pure mica or other material no less suitable unless there is sufficient resiliency in metallic parts Compliance shall be checked by inspection and for screws and nuts which are intended to be tightened during installation, or use, or during replacement of the fuse link by the following test: a) 10 times for screws in engagement with a thread of insulating material and for screws of insulating material b) 5 times for nuts and other screws - terminals: screw diameter (mm); torque (Nm); times.: 4.44 mm; 1.8Nm; 5X age 14 of 41

15 - earthing terminals: screw diameter (mm); torque (Nm); times..: - cord anchorage: screw diameter (mm); torque (Nm); times..: - other screws or nuts: screw diameter (mm); torque (Nm);times..: During the test no damage impairing the further use of the screwed connections 21.2 Thread-forming and or/ thread cutting screws not used for the making of current-carrying or earth continuity connections Screws which make a mechanical connection between different parts of the socket-outlet locked against loosening Rivets for current-carrying parts locked against loosening, if connections are subject to torsion in normal use which is likely to loosen the connection Compliance shall be checked by inspection and by manual test 21.3 Current-carrying parts and earthing contacts of brass, copper, phosphor-bronze or other metal at least equivalent with regards to its conductivity, resistance to abrasion and resistance to corrosion Compliance shall be checked by inspection and by the relevant test described in 10.2 and clauses 16 and mm; 1.8Nm; 5X Fixing screw 3.4 mm; 0.8Nm; 5X 8 Clearances, creepage distances and solid insulation Samples # 1, 2, 3 Accessories shall be constructed that the clearances, creepage distances and solid insulation are adequate to withstand the electrical stresses that may occur taking account the environmental influences. Clearances, creepage distances and solid insulation shall comply with the relevant sub clauses 8.1, 8.2 and 8.3 The distance between the lead wires in the pinch of a neon lamp with external resistor shall be a minimum of 1 mm As a minimum, socket outlet shall conform to the requirements for basic insulation in and In the manufacturer declares an insulation level exceeding basic insulation than the plug shall be tested accordingly Model E84T25N, E84T25N SA, E84T25N SW, E84T25N SZ age 15 of 41

16 8.1 Clearances Accessories energised directly from the low voltage supply fall into Overvoltage Category III - rated voltage and overvoltage category as in annex D - pollution degree declared by the manufacturer according with annex E For the measurements - Detachable parts are removed and movable parts which can be assembled in different orientations placed in the most unfavourable position. Rated 230 V; 4000 V Degree Clearances for basic insulation - the values given in table 8 except as described below. Smaller clearances except those values marked in table 8 with note b may be used if the accessories meets the impulse withstand voltage test of annex F at the impulse voltage specified in Annex D but Model E84T25 Req.:- 3 mm; (i) Bet. L & N 8.7 mm (ii) Bet. L & E mm (iii) Bet N & E mm Model E84T25 Impulse test: V apply:- (i) Bet. L & N - OK (ii) Bet. N & E - OK (iii) Bet. L & E -OK - only if the parts are rigid or located by mouldings - or if the construction is such that there is no likelihood of the distances being reduced by distortion, -or by movement of the parts during mounting, connection and normal use Clearances for functional insulation - the values for basic insulation in table 8 Compliance shall be checked by inspection, and if necessary by test of Annex F. If clearance distances are to be measured, this shall be carried out in accordance with Annex C Clearances for supplementary insulation - the values given in table 8. Compliance shall be checked by inspection, and if necessary by test of Annex F. If clearance distances are to be measured, this shall be carried out in accordance with Annex C Clearances for reinforced insulation age 16 of 41

17 - the values specified for basic insulation in but using the next higher step for the rated U imp in table 8. Compliance shall be checked by inspection and by measurement, or by the test of Annex G Contact gap The minimum contact gap shall be 1.2 mm in the open position Compliance shall be checked by measurement 5.0 mm 8.2 Creepage distances Creepage distances shall be dimensioned for the voltage expected to occur in normal use taking into account the pollution degree and the material group as declared by the manufacturer. For the measurements: - Detachable arts are removed and movable parts and parts which can be assembled in different orientations placed in the most unfavourable position Creepage distances are measured in accordance with Annex B Relationship between material group and proof tracking index (TI) values: Material group I 600 TI Material group II 400 TI < 600 Material group IIIa 175 TI < V Material group IIIb 100 TI < 175 The CTI or TI values are determined in accordance with test of Annex C Creepage distances for basic insulation - the values given in table 9 Model E84T25 Req.:- 2.5 mm; (i) Bet. L & N 8.7 mm (ii) Bet. L & E mm (iii) Bet N & E 9.4 mm Compliance shall be checked by measurement Creepage distances for functional insulation - the values given in table 9 Compliance shall be checked by measurement Creepage distances for supplementary insulation - the values specified for basic insulation in Compliance shall be checked by measurement age 17 of 41

18 8.2.4 Creepage distances for reinforced insulation - double of the values specified for basic insulation in table 9 Compliance shall be checked by measurement 8.3 Solid insulation for basic, supplementary and reinforce insulation shall be capable of withstanding electrical which may occur in normal use No minimum thickness is specified for solid insulation Basic and supplementary solid insulation shall withstand the required impulse voltage declared by the manufacturer, as specified in for Overvoltage Category III Compliance checked by test in accordance with clause using value given in Table 10 Model E84T25 Impulse test: V apply:- Between live parts and body: OK Model E84T25 Apply 1.5kV for 1 m:- Bet. L & N, Bet. Lives & earth, Bet. Lives & body Reinforced solid insulation Reinforced insulation shall be dimensioned to withstand the required impulse voltage, but one step higher than that for basic and supplementary insulation with clause Compliance checked by test in accordance with clause using values given in Table 10 9 Accessibility of live parts Samples # 4, 5, 6 Sequence no. 2 General 9.3 Resilient accessible external surfaces of socket-outlets so designed and constructed that when assembled and wired there is no risk that, as a result of undue pressure, live parts could penetrate accessible external surfaces or reduced creepage and clearance below those given in clause Compliance shall be checked by pressure test as shown in Fig.2 at 240 N for 60 s During the test a test voltage of 2000 V applied between all live pars connected together and the earth test pressure block No flashover or breakdown shall occur After the test it shall not be possible to touch live parts with test probe 11 of IEC applied with a force of 30N age 18 of 41

19 21 Screws, current-carrying parts and connections Samples # 4, 5, Current-carrying parts and earthing contacts of brass, copper, phosphor-bronze or other metal at least equivalent with regards to its conductivity, abrasion and corrosion Compliance shall be checked by inspection and by the relevant test described in 10.2 and clauses 16 and rovision for earthing Samples # 4, 5, Accessible metal parts of socket-outlets shall be in effective electrical contact with the earthing socketoutlet, except that metal parts on, or screws in or through, non-conducting material, need not be in effective electrical contact with the earthing socketcontact Compliance shall be checked by inspection and by the following: a) for metal parts insulated from live parts, by the test described in b) for metal parts connected to an earthing terminal a test current of 25A is passed for 60s between the earthing terminal and any accessible metal part intended to be earthed and between earthing terminal and the earthing plug pin inserted in the earthing socket-contact c) the resistance shall not exceed If means are provided for electrically bonding the mounting box to the earthing circuit of the socketoutlet by means of fixing screws the connection between the screw and the earthing terminal shall be of low resistance Compliance shall be checked by the test described in b applied between the socket-outlet earthing terminals and any fixing screw in electrical contact with the earthing circuit Bet. earth socket terminal & fixing screw 0.035, 0.033, Connection of flexible cords and cord anchorage Samples # 4, 5, rovision shall be made for the entry and effective clamping without bending of 3-core flexible cords for rewirable portable socket-outlets suitable for flexible cords as given in tables 11,12, 13, 26 and 27 of SS 358-5, having nominal cross-sectional areas not exceeding 1.5 mm 2 age 19 of 41

20 For non-rewirable portable socket-outlets provision shall be made for the entry and adequate retention of 3 core flexible cord with which the socket outlet is supplied Cord anchorage: the conductors are relieved from strain, including twisting, where they are connected to the terminals or terminations The cord anchorage shall contain the sheath Cord anchorages shall either be insulating material Or if of metal shall be provided with an insulating lining fixed to the metal parts Method such as tying the flexible cord in a knot or tying the end with string or the like not be used Compliance shall be checked by inspection and by the following tests: a) A rewirable portable socket-outlets provided with a 3-core flexible cord having a nominal crosssectional are of 0.5 mm 2 as given in Table 26 of SS The conductors are introduced into the terminals and the terminal screws tightened just sufficiently to prevent the conductors easily changing their position Clamping screw tightened with two-thirds of that given in Table 3a The assembly is left untouched for min. 24 h After this preparation, it shall not be possible to push flexible cord into the portable socket-outlet or than the anchorage is loosened The flexible cord is then subjected to 25 times to the pull given in Table 2 without jerks in the most unfavourable position momemtarily. Immediately afterwards, the flexible cord is subjected for 60s to the appropriate torque shown in Table 2 as near as practicable to the cord entry After the test the flexible cable cord not displaced by more than 2 mm These test are then repeated using a 3-core flexible cord having a nominal cross section area of 1.5 mm 2 as given in table 15 of SS The conductors are introduced into the terminals and the terminal screws tightened just sufficiently to prevent the conductors easily changing their position Clamping screw tightened with two-thirds of that given in Table 3a age 20 of 41

21 The assembly is left untouched for min. 24 h After this preparation, it shall not be possible to push flexible cord into the portable socket-outlet or than the anchorage is loosened The flexible cord is then subjected to 25 times to the pull given in Table 2 without jerks in the most unfavourable position momemtarily. Immediately afterwards, the flexible cord is subjected for 60s to the appropriate torque shown in Table 2 as near as practicable to the cord entry After the test the flexible cable cord not displaced by more than 2 mm b) Non-rewirable portable socket-outlets tested with the flexible cord as delivered Type of cord : Load. : Torque.: After the test the flexible cable cord not displaced by more than 2 mm After the test a voltage of 3750V is applied for 60 s No breakdown or flashover 14 Resistance to ageing and to humidity Samples # 4, 5, Socket-outlets proof against humid conditions which may occur in normal use Compliance checked by a humidity treatment carried out in humidity cabinet containing air with relative humidity maintained between 85 % and 95 % followed by the test of clause 15 Specimens kept in cabinet for 2 days (48 h) After this treatment the specimens show no damage 25 o 93% 15.1 Insulation resistance and electric strength Samples # 4, 5, Insulation resistance (500 V +250V for 1 min) : a) between line and neutral terminals/terminations 5 M..: >100 M; >100 M; >100 M b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface 5 M : >100 M; >100 M; >100 M age 21 of 41

22 ii) the earthing terminal/ termination 5 M.: >100 M; >100 M; >100 M iii) any metal part of a cord anchorage 5 M.: c) each switched pole terminal and corresponding socket-outlet contact 2 M...: >100 M; >100 M; >100 M Electric strength 2000 V short circuit current of 200 ma for 1 min. a) between line and neutral terminals/terminations b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface ii) the earthing terminal/ termination iii) any metal part of a cord anchorage c) each switched pole terminal and corresponding socket-outlet contact During the test no breakdown or flash over shall occur 15.2 High voltage test for non-rewirable socket-outlets between current-carrying parts connected together and a conducting electrode in contact with the entire accessible surface; test voltage 6000 V for 3-5 s During the test no breakdown or flash over shall occur 13 Construction of socket-outlets Samples # 4, 5, Socket-outlets provided with fuse link complying with SS 167 Fuse link shall be mounted in appropriate contacts only between the line terminal and corresponding socket-contact or contacts Fuse link cannot be displaced accidentally during use or be left in incorrect contact when the fuse cover or fuse carrier is replaced and secured in position Fuse link replaceable without dismantling the socket-outlet and no live parts shall become accessible The contact of the fuse link connected to the line terminal or to a switch shall be formed in one piece with a fixed part of the terminal or the switch, or connected to it in such a way that it cannot work loose in normal use. The other contact for the fuse link shall be similarly connected to the corresponding socket-contact or contacts age 22 of 41

23 Compliance shall be checked by inspection and by the application of the standard test probe B of IEC and the test pin shown in fig.1 applied in accordance with Fuse link clips in socket-outlets shall be checked for mechanical strength by the insertion and withdrawal test describe in Current making and breaking of fuse links shall be checked by the test described in after which the temperature rise of clause 16 shall be carried out 9 Accessibility of live parts Samples # 4, 5, Socket-outlets mounted and wired as in normal use, live parts not accessible Checked by application of the test pin shown in fig. 1 perpendicular to the accessible external surface of the socket-outlet with a force of 5 N; it shall not be possible to touch live parts 13 Construction of socket-outlets Samples # 4, 5, a Voltage drop not exceed 25 mv at 13 A between any individual line or neutral socket-contact and corresponding plug pin b Withdrawal force with the gauge shown in fig. 16b. the socket contact shall retain the gauge not less than 30 s 13.5 Line and neutral contacts shall withstand the stresses imposed upon them by the use of socketoutlet adaptor and the like Compliance checked by the gauge shown in fig. 15. the socket-contact shall retain the weight gauge shown in fig 16b not less than 30 s 13.6 Earth socket-contact shall withstand the stresses imposed upon them by the attempted incorrect insertion of plugs L.: 7.3mV; 10.4mV; 7.2mV N.: 14.3mV; 11.0mV; 22.6mV Gauge not drop out Gauge not drop out Compliance checked by the following tests:- The socket outlet is mounted with the engagement surface in the vertical plane and with the major axis of the earth pin horizontal. The end of A of the gauge shown in Fig 15 is inserted into the earth socket aperture as far as pin B, and a weight of 750 g is suspended from pin D for 30 s age 23 of 41

24 The socket-outlet is rotated through 180 o perpendicular to the engagement surface and the load applied to pin D for a further 30 s After the test the earth socket contact shall retain the weight gauge shown in Fig.16a for not less than 30s 13 Construction of socket-outlets Samples # 7, 8, 9 Sequence no. 3 General Socket-outlets provided with fuse link complying with SS 167 Fuse link mounted in appropriate contacts only between the line terminal and corresponding socketcontact Fuse link cannot be displaced accidentally during use or be left in incorrect contact when the fuse cover or fuse carrier is replaced and secured in position Fuse link replaceable without dismantling the socket-outlet and no live parts shall become accessible The contact of the fuse link connected to the line terminal formed in one piece with a fixed part of the terminal or connected to it that it cannot work loose, and the other contact for the fuse link similarly connected to the corresponding socket-contact or contact Compliance checked by inspection and by the application of the standard test probe B of IEC and the test pin shown in fig.1 applied in accordance with Fuse link clips in socket-outlets checked for mechanical strength by the insertion and withdrawal test describe in After this test clause 16 shall be carried out 20 Mechanical strength Samples # 7, 8, Solid link of stainless steel is inserted and withdraw from the fuse clips 20 times. After test a normal fuse link complying with SS 167 is inserted and the appropriate mechanical test completed 17 Breaking capacity of socket-outlets Samples # 7, 8, 9 age 24 of 41

25 17.1 The breaking capacity of socket contacts, switches, and fuse contacts incorporated in socket-outlets adequate Compliance shall be checked by the tests describe in , and Making and breaking capacity of socket-contacts: Test current 1.25 times the rated current. Test voltage 250 V ~; 10 times After the test samples shall be capable of satisfying the test subsequent detained in table A Making and breaking capacity of switch: Test current 1.25 time the rated current. Test voltage 275 V~, 10 time After the test samples shall be capable of satisfying the test subsequent detained in table A Making and breaking capacity of the fuse contacts: Test current 1.25 times the rated current for single socket-outlets and 1.6 time the rated current for multiple socket-outlets. Test voltage 275 V~, 10 times After the test samples shall be capable of satisfying the test subsequent detained in table 1 13 Construction of socket-outlets Samples # 7, 8, The actuating member of a switch not remain at rest in the off position whilst the switch contacts remained closed Switch constructed that when operated can remain only in a position giving adequate contact or separation of the contacts Switch disconnect at least the supply to the line socket-contact Double pole switches shall make and break each pole with one movement of the actuating member Compliance shall be checked by inspection and by the following test: Test as described in clause times switching by hand over a period of 2 s any arcing shall cease 16 Temperature rise Samples # 7, 8, Socket-outlets not attain excessive temperatures in normal use age 25 of 41

26 Test carried out at rated voltage +10%, -20% 250V ac Terminal tightened with two thirds of the values given in table 3 For surface mount cable length within enclosure shall be 75 mm ± 5 mm For flush mount cable length within enclosure shall be 150 mm ± 5 mm The flush mounting screws tightened to 0.6 Nm Screw Ø: 4.44 mm 2/3Torque: 1.2 Nm Fixed socket-outlets: Cross-sectional area (mm 2 ) : 2.5 mm 2 Test current (A) : 14 A + 6 A ( incoming 20 A) Rewirable portable socket-outlets are tested with 1000 mm of 1.25 mm 2 3-core VC insulated flexible cord as given in table of BS 6500 Non-rewirable accessories tested with 1000 mm of the flexible cord supplied with them - type of flexible cable; number of conductors and nominal cross sectional area (mm 2 ) - test current specified in table 2 for a minimum period of 4 hr or longer until steady state < 8 hr. - terminals or terminations not exceed 52 K - accessible external surface not exceed 52 K 4 hr model E84T25 L.: 41.2K; 36.9K; 37.8K N.: 38.2K; 42.7K; 40.9K S.: 24.3K; 24.5K; 27.6K 19 Connection of flexible cords and cord anchorage Samples # 7, 8, Non-rewirable portable socket-outlets flexible cable is protected against excessive bending Flexing test (10,000 flexings) - type of flexible cable and nominal cross-sectional area (mm 2 ) - test current (A) - mass (N) During the test no interruption of the test current and no short-circuit between the conductors 21 Screws, current-carrying parts and connections Samples # 7, 8, 9 age 26 of 41

27 21.3 Current-carrying parts and earthing contacts of brass, copper, phosphor-bronze or other metal at least equivalent with regards to its conductivity, abrasion and corrosion Compliance shall be checked by inspection and by the relevant test described in 10.2 and clauses 16 and Resistance to ageing and to humidity Samples # 10, 11, 12 Sequence no. 4 General test 14.1 Socket-outlets shall be resistant to ageing Socket-outlets subjected to a test in a heating cabinet at 70 o C ± 5 o C for seven days (168 h) After the tests, samples shall show no damage which: 75 o C - would lead to non-compliance with this standard - would impair safety; - would prevent further use 15 Insulation resistance and electric strength Samples # 10, 11, Insulation resistance (500 V +250V for 1 min) : a) between line and neutral terminals/terminations 5 M.. : >100 M; >100 M; >100 M b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface 5 M : >100 M; >100 M; >100 M ii) the earthing terminal/ termination 5 M..: >100 M; >100 M; >100 M iii) any metal part of a cord anchorage 5 M..: c) each switched pole terminal and corresponding socket-outlet contact 2 M...: >100 M; >100 M; >100 M Electric strength 2000 V short circuit current of 200 ma for 1 min. a) between line and neutral terminals/terminations b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface ii) the earthing terminal/ termination iii) any metal part of a cord anchorage age 27 of 41

28 c) each switched pole terminal and corresponding socket-outlet contact During the test no breakdown or flash over shall occur 15.2 High voltage test for non-rewirable socket-outlets between current-carrying parts connected together and a conducting electrode in contact with the entire accessible surface; test voltage 6000 V for 3-5 s During the test no breakdown or flash over shall occur 18 Normal operation of socket-outlets Samples # 10, 11, Normal operation test: Test current (A) 13 A Test voltage 250 V ~ 250 V Speed of travel at 150 mm/s 150 mm/s Rate of operation 5s ON 5s OFF No. operation 30,000 30,000 After the test the shutter operating satisfactory, the socket contact safely shielded and the socketoutlets shall be in accordance with 9.1, 10.2, a, 13.6, 13.7, 13.8, 15 and 16 9 Accessibility of live parts Samples # 10, 11, Socket-outlets: when mounted and wired live parts are not accessible Checked by application of the test pin shown in fig. 1 perpendicular to the accessible external surface of the socket-outlet with a force of 5 N; it shall not be possible to touch live parts 16 Temperature rise Samples # 10, 11, Socket-outlets and their surroundings not attain excessive temperatures in normal use Test carried out at rated voltage 250 Vac Terminal tightened with two thirds of the values given in table 3 For surface mount cable length within enclosure shall be 75 mm ± 5 mm Screw Ø: 4.44 mm 2/3Torque: 1.2 Nm age 28 of 41

29 For flush mount cable length within enclosure shall be 150 mm ± 5 mm The flush mounting screws tightened to 0.6 Nm Fixed socket-outlets: Cross-sectional area (mm 2 ) : 2.5 mm 2 Test current (A).: 14 A + 6 A ( incoming 20 A) Rewirable accessories are tested with 1000 mm of 1.25 mm 2 3-core pvc insulated flexible cord as given in table of BS 6500 Non-rewirable accessories tested with 1000 mm of the flexible cord supplied with them - type of flexible cable; number of conductors and nominal cross sectional area (mm 2 ) - test current as specified in table 2 for a minimum continuous period of 4 h or longer until steady state 4 h - terminals or terminations not exceed 52 K -accessible external surface not exceed 52 K Model E84T25 L.: 36.4K, 36.3K, 37.1K N.: 38.1K, 37.0K, 39.6K S.: 24.1K, 22.8K, 26.0K 13 Construction of socket-outlets Samples # 10, 11, ortable socket outlet cannot be deformed to allow access to live part Checked by inspection 15 Insulation resistance and electric strength Samples # 10, 11, Insulation resistance (500 V +250V for 1 min) : a) between line and neutral terminals/terminations 5 M : >100 M; >100 M; >100 M b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface 5 M : >100 M; >100 M; >100 M ii) the earthing terminal/ termination 5 M.: >100 M; >100 M; >100 M iii) any metal part of a cord anchorage 5M.: c) each switched pole terminal and corresponding socket-outlet contact 2 M...: >100 M; >100 M; >100 M age 29 of 41

30 Electric strength 2000 V short circuit current of 200 ma for 1 min. a) between line and neutral terminals/terminations b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface ii) the earthing terminal/ termination iii) any metal part of a cord anchorage c) each switched pole terminal and corresponding socket-outlet contact During the test no breakdown or flash over shall occur 15.2 High voltage test for non-rewirable socket-outlets between all current-carrying parts connected together and a conducting electrode in contact with the entire accessible surface; test voltage 6000 V for 3-5 s During the test no breakdown or flash over shall occur 13 Construction of socket-outlets Samples # 10, 11, a Voltage drop not exceed 40 mv at 13 A between individual line or neutral socket contact and the corresponding plug pin L.: 4.9mV, 4.4mV, 4.2mV N.: 7.3mV, 7.6mV, 7.2mV 10 rovision for earthing Samples # 10, 11, Accessible metal parts of socket-outlets in effective electrical contact with the earthing socket-outlet, except that metal parts on, or screws in or through, nonconducting material, need not be in effective electrical contact with the earthing socket-contact Compliance checked by inspection and by the following: a) for metal parts insulated from live parts, by the test described in b) for metal parts connected to an earthing terminal a test current of 25A is passed for 60s between the earthing terminal and any accessible metal part intended to be earthed and between earthing terminal and the earthing plug pin inserted in the earthing socket-contact c) the resistance shall not exceed kV age 30 of 41

31 13 Construction of socket-outlets Samples # 10, 11, Earth socket-contact withstand the stresses imposed upon them by incorrect insertion of plugs Compliance checked by the gauge shown in fig. 15. After the test the earth socket contact shall retain the weight shown in fig. 16a not less than 30 s 13.7 Current-carrying socket contacts automatically screened by shutters Compliance shall be checked by inspection, by the test described in , and by the application of the gauge shown in fig 16b. The gauge and test pin, shown in fig. 1 applied to the shutter with 5 N Gauge not drop out - by the test described in by the gauge shown in fig 16b. - by gauge and test pin, shown in fig. 1 applied to the shutter with 5 N Not possible to touch current carrying parts 13.8 Construction of socket-outlets allow easy withdrawal of the plug Compliance checked by the following test: Withdrawal test max pull 36 N. < 36N lug come out of socket-outlet 14 Resistance to ageing and to humidity Samples # 13, 14, 15 Sequence no. 5 General test 14.2 Socket-outlets proof against humid conditions which may occur in normal use Compliance checked by a humidity treatment carried out in humidity cabinet containing air with relative humidity maintained between 85 % and 95 % followed by the test of clause 15 Specimens kept in cabinet for 2 days (48 h) After this treatment the specimens show no damage 25 o 93% 15 Insulation resistance and electric strength Samples # 13, 14, Insulation resistance (500 V +250V for 1 min) : a) between line and neutral terminals/terminations 5 M : >100 M; >100 M; >100 M age 31 of 41

32 b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface 5 M : >100 M; >100 M; >100 M ii) the earthing terminal/ termination 5 M..: >100 M; >100 M; >100 M iii) any metal part of a cord anchorage 5 M..: c) each switched pole terminal and corresponding socket-outlet contact 2 M...: >100 M; >100 M; >100 M Electric strength 2000 V short circuit current of 200 ma for 1 min. a) between line and neutral terminals/terminations b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface ii) the earthing terminal/ termination iii) any metal part of a cord anchorage c) each switched pole terminal and corresponding socket-outlet contact During the test no breakdown or flash over shall occur 15.2 High voltage test for non-rewirable socket-outlets between all current-carrying parts connected together and a conducting electrode in contact with the entire accessible surface; test voltage 6000 V for 3-5 s During the test no breakdown or flash over shall occur 18 Normal operation of socket-outlets Samples # 13, 14, Voltage drop across each switched pole in switches socket-outlets not exceed 60 mv at rated current Normal operation of switch: L.: 52.6mV, 28.2mV, 45.6mV Test current (A) 13A Test voltage 250 V ~ 250V ~ Speed of travel at 300 mm/s 300 mm/s Rate of operation 5s ON 5s OFF No. of operation 30,000 operation 30,000 After the test the voltage drop across each switched pole not exceed 75 mv at rated current L.: 50.9mV, 56.7mV, 51.2mV 15 Insulation resistance and electric strength Samples # 13, 14, 15 age 32 of 41

33 Insulation resistance (500 V +250V for 1 min) : a) between line and neutral terminals/terminations 5M..: >100 M; >100 M; >100 M b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface 5 M : >100 M; >100 M; >100 M ii) the earthing terminal/ termination 5 M.: >100 M; >100 M; >100 M iii) any metal part of a cord anchorage 5 M.: c) each switched pole terminal and corresponding socket-outlet contact 2 M...: >100 M; >100 M; >100 M Electric strength 1500 V short circuit current of 200 ma for 1 min. a) between line and neutral terminals/terminations b) line and neutral terminals/ terminations connected together and: i) metal foil in contact with the entire accessible external surface ii) the earthing terminal/ termination iii) any metal part of a cord anchorage c) each switched pole terminal and corresponding socket-outlet contact During the test no breakdown or flash over shall occur 15.2 High voltage test for non-rewirable socket-outlets between all current-carrying parts connected together and a conducting electrode in contact with the entire accessible surface; test voltage 6000 V for 3-5 s During the test no breakdown or flash over shall occur 20 Mechanical strength Samples # 13, 14, Socket-outlets: adequate mechanical strength and be so constructed as to withstand such handling as may be expected in normal use Compliance checked by the tests given in and Solid link is inserted and withdraw from the fuse clips 20 times. After test a normal fuse link complying with SS 167 is inserted and the appropriate mechanical test completed Fixed socket-outlets: impact test, height 150 mm (apparatus shown in fig. 21a) age 33 of 41

34 After the test: no damage and in accordance with clauses 8, 9 and 15 No damaged Tumbling barrel test : - rewirable single and twin portable socket-outlets are fitted with a 3-core VC 1.25 mm 2 flexible cord as given in table 16 of SS terminals and cover screws tightened with the torque in table 3 - non-rewirable single and twin portable socketoutlet tested as delivered After the test portable socket-outlet not show external damage which may affect the safety and no components have become detached Earthing terminal, if any, still tightened with a torque not less than 70% of the original torque After the test the samples shall comply with appropriate test describe in clause 13.4b, 15 and Rewirable portable socket-outlets with more than two outlets are fitted with 3-core 1.25mm 2 flexible cord as given in table 16 of SS Non-rewirable accessories are tested as delivered Socket-outlet fall eight times on the concrete floor, the flexible cord being rotated through approx. 45 o After the test the samples comply with appropriate test described in clause 13.4b, 15 and Resistance to heat Samples # 16, 17, 18 Sequence no. 6 Materials 22.1 Socket-outlets shall be resistant to heat Compliance shall be checked by the tests of or arts made from rubber or ceramics in fixed socketoutlets shall not be subjected to these tests a) heating cabinet 70 o C for 1 h for portable socketoutlets, mounting boxes, separate covers and separate cover plates b) heating cabinet 100 o C for 1 hour for all other socket-outlets Cl Cover plate 100 o C age 34 of 41

35 During the test they shall not undergo any change impairing their further use and the sealing compound if any, not flow such that live parts exposed After the test socket-outlet comply with and , and it shall not be possible to touch live parts with test probe 11 of IEC applied with a force of 30 N ortable socket-outlets external parts of resilient material subjected to pressure test by means of an apparatus shown in fig. 23, at 70 o C for 1 h After the test socket-outlet satisfy tests of b(1) and and shall comply with the gauges of fig arts of the insulating material sufficiently resistant to heat with regard to their location and function in the socket-outlet Compliance shall be checked as follows:- a) parts of ceramic material are deemed to comply without testing b) external parts tested according to are deemed to comply without further testing c) other parts of insulating material subjected to a ball pressure test using apparatus shown in Fig. 24 For insulating parts necessary to retain currentcarrying part in position and the material forming the front surface of socket-outlets, within a zone of 2 mm around the pin entry holes The parts to be tested and the test apparatus are conditioned at test temperature before test load is applied. 20N, 1 h at 125 o C for fixed socket-outlet Base 20N, 1 h at 75 o C for portable socket-outlet The test load, supporting means and specimen are placed in the heating cabinet to achieve stabilised testing temperature for at least 10 minute before test load is applied After 1 hour, the sample is immersed for at least 10 s in water at room temperature After the test diameter of impression 2 mm Mea:- 1.2mm, 1.2mm, 1.1mm For insulating parts not necessary to retain currentcarrying part in position even though they may be in contact with them ( for fixed and portable socket outlet) age 35 of 41

36 20N, 1 h at 75 o C for fixed and portable socket-outlet The test load, supporting means and specimen are placed in the heating cabinet to achieve stabilised testing temperature for at least 10 minute before test load is applied After 1 hour, the sample is immersed for at least 10 s in water at room temperature Cover After the test diameter of impression 2 mm Mea:- 0.5 mm,0.6 mm,0.5 mm Sequence no. 7 Materials 23 Resistance to abnormal heat, fire and tracking Samples # 19, 20, Socket-outlets shall be proof against abnormal heat and fire Compliance shall be checked by the tests of 23.2 and Glow-wire test: Glow wire test is performed according to clauses 4 to 10 of BS 6458 : Section 2.1 : 1984 For insulating parts necessary to retain live parts in position: ortable socket-outlets 750 o C Fixed socket-outlets 850 o C Base The specimen shall be regarded as having passed the glow wire test if any of the following apply: a) there is no visible flame and no sustained glowing No flame b) flame and glowing extinguish within 30 s after the removal of the glow wire c) no ignition of the tissue paper nor scorching of the board For insulating parts not necessary to retain current-carrying part in position even though they may be in contact with live parts: ortable socket-outlets 650 o C Fixed socket-outlets 650 o C Models E84T25N, (SA, SW, SZ):- Cover The specimen shall be regarded as having passed the glow wire test if any of the following apply: a) there is no visible flame and no sustained glowing b) flame and glowing extinguish within 30 s after the removal of glow wire No flame age 36 of 41

37 c) no ignition of the tissue paper or scorching of the board 8.2 Creepage distances Annex C roof tracking test (TI) (normative) (Model E84T25) Insulation material resistant to tracking 175 V Sequence no. 8 Materials 24 Resistance to excessive residual stresses and rusting Samples # 22, 23, ress-formed or similar current-carrying parts of copper alloy containing less than 80% of copper resistant to failure in use due to stress Checked by the following test: Immersion in a aqueous solution for 30 min at temperature of 20 o C After test no cracks visible No cracks 24.2 Ferrous parts protected against rusting Test: 10 min in carbontetrachloride, trichloroethane or equivalent degreasing agent, 10 min 10 % solution of ammonium chloride, 10 min in a box with air saturated with moisture and 10 min at 100 C 5 C: Their surfaces shall show no signs of rust No rust 21 Screws, current-carrying parts and connection Samples # 22, 23, Current-carrying part and earthing contacts of brass, copper, phosphor-bronze or other metal at least equivalent with regard to its conductivity, resistance to abrasion and resistance to corrosion Compliance shall be checked by inspection and by the relevant test described in 10.1 and clauses 16 and 24 brass ositive break Samples # 25, 26, 27 Sequence no The actuating member of a switch shall not remain at rest in the off position whilst the switch contacts remained closed age 37 of 41

38 The actuating mechanism shall be so constructed that when operated the switch can remain only in a position giving adequate separation of contact Compliance shall be checked by inspection and by the test of The force to switch off shall be measured and the force should be applied to the extremity of the actuating member The actuating member being in the closed position, fixed and moving contact of the pole shall be maintained closed by mechanical means. Test force apply to actuating member as in table 3b to open the contacts for 10s Test force 3F : 3 x 8.6N Min. test force..: 50N Max. test force.: 150N If locking means are designed to lock the actuating members in opened position, it shall no be possible to lock the actuating members in this position while the force is applied After the test and when test force is no longer applied, the actuating member shall not remain at rest in the OFF position Remained in ON position age 38 of 41

39 Appendix I Schneider Electric 2 Gang Switched Socket-Outlet 13A 250V E84T25 E84T25 SA E84T25 SW E84T25 SZ Dismantled View age 39 of 41

40 Appendix I (cont d) Schneider Electric 2 Gang Switched Socket-Outlet 13A 250V E84T25N E84T25N SA E84T25N SW E84T25N SZ Dismantled View age 40 of 41