Page 2 of 91 Report No.: Copy of marking plate:

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4 age 2 of 91 Report No.: Copy of marking plate:

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7 age 5 of 91 Report No.: Copy of marking plate:

8 Summary of testing: age 6 of 91 Report No.: For heating test the following models: TC-400R8AX, TC-400R8XY TC-500R8AX with the highest output power were tested to represend all other models with below load conditions were applied: Load condition A: DC 5V / 35A, 12V / 16.6A, 3.3V / 10A, -5V / 0.5A, -12V / 0.8A, +5Vsb / 2.0A Load condition B: DC 5V / 16A, 12V / 18A, 3.3V / 24A, -5V / 0.5A, -12V / 0.8A, +5Vsb / 2.0A Load condition C: DC 5V / 42A, 12V / 22.1A, 3.3V / 0A, -5V / 0.5A, -12V / 0.8A, +5Vsb / 2.0A Load condition D: DC 5V / 26.2A, 12V / 22.1A, 3.3V / 24A, -5V / 0.5A, -12V / 0.8A, +5Vsb / 2.0A Load condition E: DC 5V / 12A, 12V / 28A, 3.3V / 24A, -5V / 0.5A, -12V / 0.8A, +5Vsb / 2.0A Maximum temperature specified by manufacurer: 25 o C. All tests were performed with model: TC-500R8AX under condition C if not else specified.

9 age 7 of 91 Report No.: articulars: test item vs. test requirements Equipment mobility...: Equipment for building-in Operating condition...: Continuous operation Mains supply tolerance (%)...: ±10 Tested for IT power systems...: Yes IT testing, phase-phase voltage (V)...: 230 V Class of equipment...: Class I Mass of equipment (kg)...: 3.4 rotection against ingress of water...: IX0 Test case verdicts Test case does not apply to the test object..: Test item does meet the requirement...: (ass) Test item does not meet the requirement...: F(ail) Testing Date of receipt of test item...: December, 2006 Date(s) of performance of test...: December-January, General remarks This report is not valid as a CB Test Report unless appended by an approved CB Testing Laboratory and appended to a CB Test Certificate issued by an NCB in accordance with IECEE 02. The test result presented in this report relate only to the object(s) 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. Throughout this report a point is used as the decimal separator. Comments: Summary of compliance with National Differences (for explanation of codes see below): EU Group Differences, EU Special National Conditions, EU A-Deviations, AR, AT, AU, BE, CA, CH, CN, CZ, DE, DK, FI, FR, GB, GR, HU, IL, IN, IT, KE, KR, MY, NL, NO, L, SE, SG, SI, SK, US. AR=Argentina, AT=Austria, AU=Australia, BE=Belgium, CA=Canada, CH=Switzerland, CN=China, CZ=Czech Republic, DE=Germany, DK=Denmark, FI=Finland, FR=France, GB=United Kingdom, GR=Greece, HU=Hungary, IL=Israel, IN=India, IT=Italy, KE=Kenya, KR=Korea, MY=Malaysia, NL=The Netherlands, NO=Norway, L=oland, SE=Sweden, SG=Singapore, SI=Slovenia, SK=Slovakia, US=United States of America. For National Differences see end of this test report. Factory(ies): I-Star Computer Co., Ltd. 2F, No. 33, Lane 42 Chung Shin North St., San Chung, Taipei Hsien 241, Taiwan

10 age 8 of 91 Report No.: Definition of variables: Variable: Range of variable: Content: For models: TC-300R8XY, TC-400R8XY X X=0-9, B-Z or blank For marketing purpose only. No technical difference. Y Y=0-9, A-Z or blank For marketing purpose only. No technical difference. For models: TC-300R8AX, TC-400R8AX, TC-500R8AX X X=0-9, A-Z or blank For marketing purpose only. No technical difference.

11 General product information: age 9 of 91 Report No.: The equipment is a redundant switching power supply (built-in type) for the use in information technology equipment. 1. The unit models for Trademark of I-STAR: TC-300R8XY, TC-400R8XY, and TC-500R8AX (X=0-9, B-Z or blank; Y=0-9, A-Z or blank) are similar except for type designation, input current and output rating. The unit models for Trademark of TOOWER: TO-300SSR, TO-400SSR are similar to models: TC- 300R8AX and TC-400R8AX except for type designation, input current and output rating. The models TC-300R8AX are similar to original model TC-300R8XY (same i/p, o/p ratings) and TC- 400R8AX are similar to original model TC-400R8XY (same i/p, o/p ratings), except for the list of following items. - enclosure construction used. - EMI filter (with AC Inlet) used. - DC fan for power module (each module provide two DC fans). Ratings: 1) Models TC-300R8XY, TC-300R8AX & TO-300SSR i/p: Vac, 50-60Hz, 8A/4A o/p: +5V/30A, +3.3V/24A, +12V/15A, +5Vsb/2A, -5V/0.5A, -12V/0.8A (total output Max. 300W) (+5V & +3.3V maximum output: 150W) (+5V, +3.3V & +12V maximum output: 275W) 2) Models TC-400R8XY, TC-400R8AX & TO-400SSR i/p: Vac, 50-60Hz, 10A/5A o/p: +5V/35A, +3.3V/24A, +12V/18A, +5Vsb/2A, -5V/0.5A, -12V/0.8A (total output Max. 400W) (+5V & +3.3V maximum output: 170W) (+5V, +3.3V & +12V maximum output: 375W) 3) Model TC-500R8AX i/p: Vac, 50-60Hz, 10A/6A o/p: +5V/42A, +3.3V/24A, +12V/28A, +5Vsb/2A, -5V/0.5A, -12V/0.8A (total output Max. 500W) (+5V & +3.3V maximum output: 210W) (+5V, +3.3V & +12V maximum output: 475W)

12 age 10 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict 1 GENERAL 1.5 Components General See below. Comply with IEC or relevant component standard Components, which were found to affect safety aspects, comply with the requirements of this standard or within the safety aspects of the relevant IEC component standards. Refer to appended table Evaluation and testing of components Components, which are certified by IEC and/or national standards, are used correctly within their ratings. Components not covered by IEC standards are tested under the conditions present in the equipment Thermal controls Not provided Transformers Transformers used are suitable for the intended application and complies with the relevant requirements of the standard and particularly Annex C Interconnecting cables No interconnecting cables. Output cables are treated as internal wiring. An overall evaluation should be made when building into the final system Capacitors in primary circuits... : Between lines: X2 capacitors according to IEC :1993 with 21 days damp heat test was used Double insulation or reinforced insulation bridged by components Between line and B: Y2 capacitors according to IEC : 1993 with 21 days damp heat test General Bridging capacitors Bridging resistors Accessible parts

13 age 11 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Components in equipment for IT power systems 1.6 ower interface AC power distribution systems TN power system. IT power system for Norway only Input current See table Voltage limit of hand-held equipment Neutral conductor The neutral is not identified in the equipment. Basic insulation for rated voltage between earthed parts and primary phases. 1.7 Marking and instructions ower rating Rated voltage(s) or voltage range(s) (V)... : See copy of marking plate. Symbol for nature of supply, for d.c. only... : Rated frequency or rated frequency range (Hz). : See copy of marking plate. Rated current (ma or A)... : See copy of marking plate. Manufacturer s name or trademark or identification mark... : See copy of marking plate. Type/model or type reference... : See cover page. Symbol for Class II equipment only... : Other symbols... : Additional symbols or marking does not give rise to misunderstanding. Certification marks... : See copy of marking plate Safety instructions Installation instruction with directions to maintain the requirements of IEC/EN with installation in end system. Included are directions regarding the maximum output, the maximum ambient temperature Short duty cycles Supply voltage adjustment... : Methods and means of adjustment; reference to installation instructions... :

14 age 12 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict ower outlets on the equipment... : Fuse identification (marking, special fusing characteristics, cross-reference)... : Marking adjacent to fuse on CB as: For models on CB board (IS- 22A): TC-300R8XY, TC-300R8AX & TO-300SSR: FS T8A, 250V TC-400R8XY, TC-400R8AX & TO-400SSR FS T8A, 250V TC-500R8AX: FS T10A, 250V For all models on CB boards (IS28): F1: F1A, 250V Wiring terminals rotective earthing and bonding terminals... : Approved AC inlet used Terminal for a.c. mains supply conductors Terminals for d.c. mains supply conductors Controls and indicators Identification, location and marking... : Colours... : Symbols according to IEC : Markings using figures... : Isolation of multiple power sources... : IT power distribution systems For Norway compliance has to be evaluated during the national approved Thermostats and other regulating devices Language(s)... : Markings and installation instructions in English. Versions in other languages are to be provided during the national approval Durability Removable parts Replaceable batteries Language(s)... : Operator access with a tool... : EUT is for building-in.

15 age 13 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Equipment for restricted access locations... : EUT is for building-in. 2 ROTECTION FROM HAZARDS 2.1 rotection from electric shock and energy hazards rotection in operator access areas EUT is for building-in Access to energized parts Test by inspection... : Test with test finger... : Test with test pin... : Test with test probe... : Battery compartments... : Access to ELV wiring Working voltage (Vpeak or Vrms); minimum distance (mm) through insulation Access to hazardous voltage circuit wiring Energy hazards... : EUT is for building-in. Energy does exceed 240 VA between any two points of the output connectors. Results see appended table. An overall evaluation has to be made when building into the final system Manual controls Discharge of capacitors in equipment EUT is for building-in. However, no risk of electric shock at AC inlet. Time-constant (s); measured voltage (V)... : See table rotection in service access areas rotection in restricted access locations 2.2 SELV circuits General requirements Voltages under normal conditions (V)... : See table Voltages under fault conditions (V)... : No fault conditions considered necessary Separation by double insulation or reinforced insulation (method 1) Separation by earthed screen (method 2)

16 age 14 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict rotection by earthing of the SELV circuit (method 3) Connection of SELV circuits to other circuits... : See and TNV circuits Limits Type of TNV circuits... : Separation from other circuits and from accessible parts Insulation employed... : Separation from hazardous voltages Insulation employed... : Connection of TNV circuits to other circuits Insulation employed... : Test for operating voltages generated externally 2.4 Limited current circuits General requirements Limit values Frequency (Hz)... : Measured current (ma)... : Measured voltage (V)... : Measured capacitance (µf)... : Connection of limited current circuits to other circuits 2.5 Limited power sources Inherently limited output Impedance limited output Overcurrent protective device limited output Regulating network limited output under normal operating and single fault condition Regulating network limited output under normal operating conditions and overcurrent protective device limited output under single fault condition Output voltage (V), output current (A), apparent power (VA)... :

17 age 15 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Current rating of overcurrent protective device (A) 2.6 rovisions for earthing and bonding rotective earthing Compliances were evaluated from AC inlet E pin to metal chassis near output wires. However, EUT is for building in, overall shall be evaluated in final system Functional earthing Secondary functional earthing is separated from primary by reinforced or double insulation rotective earthing and protective bonding conductors General Size of protective earthing conductors Rated current (A), cross-sectional area (mm 2 ), AWG... : Size of protective bonding conductors See Rated current (A), cross-sectional area (mm 2 ), AWG... : Resistance (Ω) of earthing conductors and their terminations, test current (A)... : See table Colour of insulation... : Green/yellow color used from earthed pin of AC inlet to metal chassis Terminals General rotective earthing and bonding terminals Rated current (A), type and nominal thread diameter (mm)... : Separation of the protective earthing conductor from protective bonding conductors Integrity of protective earthing Interconnection of equipment Components in protective earthing conductors and protective bonding conductors Disconnection of protective earth arts that can be removed by an operator arts removed during servicing

18 age 16 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Corrosion resistance Screws for protective bonding Reliance on telecommunication network or cable distribution system 2.7 Overcurrent and earth fault protection in primary circuits Basic requirements EUT relies on a fuse or circuit breaker of the wall outlet protection of the building installation in regard to L to N short-circuits. Over current protection is provided by a fuse. Instructions when protection relies on building installation Faults not covered in Short-circuit backup protection EUT is for building-in. However, the building installation is considered as providing shortcircuit backup protection Number and location of protective devices... : Over current protection by one built-in fuse. rotection devices in the building installation will provide sufficient protection against earth faults rotection by several devices See Warning to service personnel... : EUT for building-in. 2.8 Safety interlocks General principles rotection requirements Inadvertent reactivation Fail-safe operation Moving parts Overriding Switches and relays Contact gaps (mm)... : Overload test Endurance test Electric strength test

19 age 17 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Mechanical actuators 2.9 Electrical insulation roperties of insulating materials Humidity conditioning 120 h Humidity (%)... : 93% R.H. Temperature ( C)... : Grade of insulation 2.10 Clearances, creepage distances and distances through insulation General Determination of working voltage EUT was connected to a 240V TN power system Clearances General Alternate method of Annex G was not considered Clearances in primary circuits See table and Clearances in secondary circuits Functional insulation verified by short-circuit tests according c) Measurement of transient voltage levels Creepage distances See table and CTI tests... : 100 min Solid insulation Minimum distance through insulation See table Thin sheet material The thin sheet materials of polyester tape used in transformers. Number of layers (pcs)... : See tables C.2. Electric strength test See table rinted boards Distance through insulation Electric strength test for thin sheet insulating material Number of layers (pcs)... : Wound components

20 age 18 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Number of layers (pcs)... : Triple insulated wire used in transformers T901. Two wires in contact inside wound component; angle between 45 and : rotected by tube and tape Coated printed boards General Sample preparation and preliminary inspection Thermal cycling Thermal ageing ( C)... : Electric strength test Abrasion resistance test Electric strength test Enclosed and sealed parts... : Temperature T1=T2 + Tma Tamb +10K ( C)... : Spacings filled by insulating compound... : Certified sources of optical isolator are used. No other components applied for. Electric strength test See above Component external terminations See table Insulation with varying dimensions 3 WIRING, CONNECTIONS AND SULY 3.1 General Current rating and overcurrent protection Output wire is UL recognized wiring which is VC insulated, rated VW-1, minimum 80 o C rotection against mechanical damage Securing of internal wiring The E wire was secured by solder with soldering pin Insulation of conductors Beads and ceramic insulators Screws for electrical contact pressure Insulating materials in electrical connections Self-tapping and spaced thread screws Termination of conductors All conductors are reliable secured. 10 N pull test

21 age 19 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Sleeving on wiring 3.2 Connection to an a.c. mains supply or a d.c. mains supply Means of connection... : EUT is for building-in. However, approved AC inlet provided Connection to an a.c. mains supply Connection to a d.c. mains supply Multiple supply connections ermanently connected equipment Number of conductors, diameter (mm) of cable and conduits... : Appliance inlets ower supply cords AC power supply cords Type... : Rated current (A), cross-sectional area (mm 2 ), AWG... : DC power supply cords Cord anchorages and strain relief Mass of equipment (kg), pull (N)... : Longitudinal displacement (mm)... : rotection against mechanical damage Cord guards D (mm); test mass (g)... : Radius of curvature of cord (mm)... : Supply wiring space 3.3 Wiring terminals for connection of external conductors Wiring terminals Connection of non-detachable power supply cords Screw terminals Conductor sizes to be connected Rated current (A), cord/cable type, cross-sectional area (mm 2 )... : Wiring terminal sizes

22 age 20 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Rated current (A), type and nominal thread diameter (mm)... : Wiring terminals design Grouping of wiring terminals Stranded wire 3.4 Disconnection from the mains supply General requirement EUT is for building-in. However, approved AC inlet provided Disconnect devices ermanently connected equipment arts which remain energized Switches in flexible cords Single-phase equipment and d.c. equipment Three-phase equipment Switches as disconnect devices lugs as disconnect devices Interconnected equipment Multiple power sources 3.5 Interconnection of equipment General requirements Types of interconnection circuits... : SELV ELV circuits as interconnection circuits 4 HYSICAL REQUIREMENTS 4.1 Stability Angle of 10 EUT is for building-in. Test: force (N)...: 4.2 Mechanical strength General See below Steady force test, 10 N Steady force test, 30 N

23 age 21 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Steady force test, 250 N EUT is for building-in. However, the side of AC inlet was evaluated Impact test Fall test Swing test EUT is for building-in. However, the metal chassis for DC fan was evaluated Drop test Stress relief test Cathode ray tubes icture tube separately certified... : High pressure lamps Wall or ceiling mounted equipment; force (N)... : 4.3 Design and construction Edges and corners Handles and manual controls; force (N)... : Adjustable controls Securing of parts Connection of plugs and sockets Mismatch of connectors were prevented by incompatible form or location Direct plug-in equipment Dimensions (mm) of mains plug for direct plug-in: Torque and pull test of mains plug for direct plug-in; torque (Nm); pull (N)... : Heating elements in earthed equipment Batteries Oil and grease Not considered to be exposed to oil or grease Dust, powders, liquids and gases Containers for liquids or gases No container for liquids or gases provided Flammable liquids...: Quantity of liquid (l)...: Flash point ( C)...:

24 age 22 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Radiation; type of radiation...: General Ionizing radiation Measured radiation (pa/kg)...: Measured high-voltage (kv)...: Measured focus voltage (kv)...: CRT markings...: Effect of ultraviolet (UV) radiation on materials art, property, retention after test, flammability classification...: Human exposure to ultraviolet (UV) radiation...: Laser (including LEDs) Laser class...: Other types...: 4.4 rotection against hazardous moving parts General rotection in operator access areas EUT is for building-in. However, the DC fan is inaccessible rotection in restricted access locations rotection in service access areas 4.5 Thermal requirements Maximum temperatures See table Normal load condition per Annex L...: Normal load of EUT is the operation of the equipment at maximum specified DC load Resistance to abnormal heat henolic bobbin materials used are acceptable without test. For other material see table Openings in enclosures Top and side openings Dimensions (mm)...: Bottoms of fire enclosures Construction of the bottom...:

25 age 23 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Doors or covers in fire enclosures Openings in transportable equipment Adhesives for constructional purposes Conditioning temperature ( C)/time (weeks)...: 4.7 Resistance to fire Reducing the risk of ignition and spread of flame Method 1, selection and application of components wiring and materials Method 2, application of all of simulated fault condition tests Use of materials with the required flammability classes Conditions for a fire enclosure arts requiring a fire enclosure EUT is for building-in arts not requiring a fire enclosure Materials General See table for CB Materials for fire enclosures Materials for components and other parts outside fire enclosures Materials for components and other parts inside fire enclosures Components except small parts are V-2 or better Materials for air filter assemblies Materials used in high-voltage components 5 ELECTRICAL REQUIREMENTS AND SIMULATED ABNORMAL CONDITIONS 5.1 Touch current and protective conductor current General Equipment under test (EUT) EUT has only one mains connection Test circuit Using figure 5A Application of measuring instrument Using measuring instrument in annex D Test procedure EUT is for building-in. However, touch current was measured from primary to AC inlet E pin and secondary output Test measurements

26 age 24 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Test voltage (V)...: See table Measured touch current (ma)...: See table Max. allowed touch current (ma)...: See table Measured protective conductor current (ma)...: See table Max. allowed protective conductor current (ma) : See table Equipment with touch current exceeding 3.5 ma : Touch currents to and from telecommunication networks and cable distribution systems and from telecommunication networks Limitation of the touch current to a telecommunication network and a cable distribution system Test voltage (V)...: Measured touch current (ma)...: Max. allowed touch current (ma)...: Summation of touch currents from telecommunication networks...: 5.2 Electric strength General See table Test procedure See table Abnormal operating and fault conditions rotection against overload and abnormal operation Motors See table Transformers Functional insulation...: Method c) considered Electromechanical components Simulation of faults See table Unattended equipment Compliance criteria for abnormal operating and fault conditions Neither fire nor molten metal occurs. 6 CONNECTION TO TELECOMMUNICATION NETWORKS 6.1 rotection of telecommunication network service persons, and users of other equipment connected to the network, from hazards in the equipment

27 age 25 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict rotection from hazardous voltages Separation of the telecommunication network from earth Requirements Test voltage (V)...: Current in the test circuit (ma)...: Exclusions...: 6.2 rotection of equipment users from overvoltages on telecommunication networks Separation requirements Electric strength test procedure Impulse test Steady-state test Compliance criteria 6.3 rotection of the telecommunication wiring system from overheating Max. output current (A)...: Current limiting method...: 7 CONNECTION TO CABLE DISTRIBUTION SYSTEMS 7.1 rotection of cable distribution system service persons, and users of other equipment connected to the system, from hazardous voltages in the equipment 7.2 rotection of equipment users from overvoltages on the cable distribution system 7.3 Insulation between primary circuits and cable distribution systems General Voltage surge test Impulse test A ANNEX A, TESTS FOR RESISTANCE TO HEAT AND FIRE A.1 Flammability test for fire enclosures of movable equipment having a total mass exceeding 18 kg, and of stationary equipment (see ) A.1.1 Samples...: Wall thickness (mm)...: A.1.2 Conditioning of samples; temperature ( C)...:

28 age 26 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict A.1.3 Mounting of samples...: A.1.4 Test flame (see IEC ) Flame A, B, C or D...: A.1.5 Test procedure A.1.6 Compliance criteria Sample 1 burning time (s)...: Sample 2 burning time (s)...: Sample 3 burning time (s)...: A.2 Flammability test for fire enclosures of movable equipment having a total mass not exceeding 18 kg, and for material and components located inside fire enclosures (see and ) A.2.1 Samples, material...: Wall thickness (mm)...: A.2.2 Conditioning of samples A.2.3 Mounting of samples...: A.2.4 Test flame (see IEC ) Flame A, B or C...: A.2.5 Test procedure A.2.6 Compliance criteria Sample 1 burning time (s)...: Sample 2 burning time (s)...: Sample 3 burning time (s)...: A.2.7 Alternative test acc. to IEC , cl. 4 and 8 Sample 1 burning time (s)...: Sample 2 burning time (s)...: Sample 3 burning time (s)...: A.3 Hot flaming oil test (see 4.6.2) A.3.1 Mounting of samples A.3.2 Test procedure A.3.3 Compliance criterion B ANNEX B, MOTOR TESTS UNDER ABNORMAL CONDITIONS (see and 5.3.2) B.1 General requirements osition...:

29 age 27 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Manufacturer...: Type...: Rated values...: B.2 Test conditions B.3 Maximum temperatures B.4 Running overload test B.5 Locked-rotor overload test Test duration (days)...: Electric strength test: test voltage (V)...: B.6 Running overload test for d.c. motors in secondary circuits B.7 Locked-rotor overload test for d.c. motors in secondary circuits B.7.1 Test procedure B.7.2 Alternative test procedure; test time (h)...: B.7.3 Electric strength test B.8 Test for motors with capacitors B.9 Test for three-phase motors B.10 Test for series motors Operating voltage (V)...: C ANNEX C, TRANSFORMERS (see and 5.3.3) osition...: Manufacturer...: Type...: Rated values...: Method of protection...: C.1 Overload test C.2 Insulation rotection from displacement of windings...: D ANNEX D, MEASURING INSTRUMENTS FOR TOUCH-CURRENT TESTS (see 5.1.4) D.1 Measuring instrument D.2 Alternative measuring instrument

30 age 28 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict E ANNEX E, TEMERATURE RISE OF A WINDING (see ) F ANNEX F, MEASUREMENT OF CLEARANCES AND CREEAGE DISTANCES (see 2.10) G ANNEX G, ALTERNATIVE METHOD FOR DETERMINING MINIMUM CLEARANCES G.1 Summary of the procedure for determining minimum clearances G.2 Determination of mains transient voltage (V)...: G.2.1 AC mains supply G.2.2 DC mains supply G.3 Determination of telecommunication network transient voltage (V)...: G.4 Determination of required withstand voltage (V).: G.5 Measurement of transient levels (V)...: G.6 Determination of minimum clearances...: H ANNEX H, IONIZING RADIATION (see ) J ANNEX J, TABLE OF ELECTROCHEMICAL OTENTIALS (see ) Metal used...: K ANNEX K, THERMAL CONTROLS (see and 5.3.7) K.1 Making and breaking capacity K.2 Thermostat reliability; operating voltage (V)...: K.3 Thermostat endurance test; operating voltage (V)...: K.4 Temperature limiter endurance; operating voltage (V)...: K.5 Thermal cut-out reliability K.6 Stability of operation L ANNEX L, NORMAL LOAD CONDITIONS FOR SOME TYES OF ELECTRICAL BUSINESS EQUIMENT (see and 4.5.1) L.1 Typewriters L.2 Adding machines and cash registers

31 age 29 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict L.3 Erasers L.4 encil sharpeners L.5 Duplicators and copy machines L.6 Motor-operated files L.7 Other business equipment M ANNEX M, CRITERIA FOR TELEHONE RINGING SIGNALS (see 2.3.1) M.1 Introduction M.2 Method A M.3 Method B M.3.1 Ringing signal M Frequency (Hz)...: M Voltage (V)...: M Cadence; time (s), voltage (V)...: M Single fault current (ma)...: M.3.2 Tripping device and monitoring voltage...: M Conditions for use of a tripping device or a monitoring voltage M Tripping device M Monitoring voltage (V)...: N ANNEX N, IMULSE TEST GENERATORS (see , , and clause G.5) N.1 ITU-T impulse test generators N.2 IEC impulse test generator ANNEX, NORMATIVE REFERENCES Q ANNEX Q, BIBLIOGRAHY R ANNEX R, EXAMLES OF REQUIREMENTS FOR QUALITY CONTROL ROGRAMMES R.1 Minimum separation distances for unpopulated coated printed boards (see ) R.2 Reduced clearances (see )

32 age 30 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict S ANNEX S, ROCEDURE FOR IMULSE TESTING (see ) S.1 Test equipment S.2 Test procedure S.3 Examples of waveforms during impulse testing T ANNEX T, GUIDANCE ON ROTECTION AGAINST INGRESS OF WATER (see 1.1.2) U ANNEX U, INSULATED WINDING WIRES FOR USE WITHOUT INTERLEAVED INSULATION (see ) V ANNEX V, AC OWER DISTRIBUTION SYSTEMS (see 1.6.1) V.1 Introduction V.2 TN power distribution systems V.3 TT power systems V.4 IT power systems For Norway only. W ANNEX W, SUMMATION OF TOUCH CURRENTS W.1 Touch current from electronic circuits W.1.2 Earthed circuits W.2 Interconnection of several equipments W.2.1 Isolation W.2.2 Common return, isolated from earth W.2.3 Common return, connected to protective earth X ANNEX X, MAXIMUM HEATING EFFECT IN TRANSFORMER TESTS (see clause C.1) X.1 Determination of maximum input current X.2 Overload test procedure Y ANNEX Y, ULTRAVIOLET LIGHT CONDITIONING TEST (see ) Y.1 Test apparatus...: Y.2 Mounting of test samples...: Y.3 Carbon-arc light-exposure apparatus...:

33 age 31 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Y.4 Xenon-arc light exposure apparatus...:

34 age 32 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict CENELEC COMMON MODIFICATIONS [C], SECIAL NATIONAL CONDITIONS [S] AND A-DEVIATIONS (NATIONAL DEVIATIONS) [A] (EN :2001, Annex ZB and Annex ZC) General C: Delete all the "country" notes in the reference document according to the following list: Note Note Note Note Note Note Note Note Note 2, 7, Note 1, Note 2, Note Note Note Note 1, Note Note 1, Note Note Note Note Note Note Note 7 Note Note G2.1 Note 1, 2 Annex H Note S (DK): Certain types of Class I appliances (see ) may be provided with a plug not establishing earthing conditions when inserted into Danish socket-outlets A (SE, Ordinance 1990:944 and CH, Ordinance on environmentally hazardous substances SR , Annex 3.2, Mercury): Add NOTE Switches containing mercury such as thermostats, relays and level controllers are not allowed S (NO): Due to the IT power system used (see annex V, Fig. V.7), capacitors are required to be rated for the applicable line-to-line voltage (230 V) S (FI, NO, SE): CLASS I LUGGABLE EQUIMENT TYE A intended for connection to other equipment or a network shall, if safety relies on connection to protective earth or if surge suppressors are connected between the network terminals and accessible parts, have a marking stating that the equipment must be connected to an earthed mains socket-outlet. The marking text in the applicable countries shall be as follows: FI: "Laite on liitettävä suojamaadoituskoskettimilla varustettuun pistorasiaan" NO: "Apparatet må tilkoples jordet stikkontakt" SE: "Apparaten skall anslutas till jordat uttag" A (DK, Heavy Current Regulations): Supply cords of class I equipment, which is delivered without a plug, must be provided with a visible tag with the following text: Vigtigt! Lederen med grøn/gul isolation må kun tilsluttes en klemme mærket Deleted. No plug provided.

35 age 33 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict eller If essential for the safety of the equipment, the tag must in addition be provided with a diagram which shows the connection of the other conductors, or be provided with the following text: "For tilslutning af de øvrige ledere, se medfølgende instalationsvejledning." S (DK): Socket-outlets for providing power to other equipment shall be in accordance with the Heavy Current Regulations, Section D1, Standard Sheet DK 1-3a, DK 1-5a or DK 1-7a, when used on Class I equipment. For stationary equipment the socket-outlet shall be in accordance with Standard Sheet DK 1-1b or DK 1-5a A (DK, Heavy Current Regulations): CLASS II EQUIMENT shall not be fitted with socketoutlets for providing power to other equipment A (DE, Gesetz über technische Arbeitsmittel (Gerätesicherheitsgesetz) [Law on technical labour equipment {Equipment safety law}], of 23 rd October 1992, Article 3, 3 rd paragraph, 2 nd sentence, together with the "Allgemeine Verwaltungsvorschrift zur Durchführung des Zweiten Abschnitts des Gerätesicherheitsgesetzes" [General administrative regulation on the execution of the Second Section of the Equipment safety law], of 10 th January 1996, article 2, 4 th paragraph item 2): Directions for use with rules to prevent certain hazards for (among others) maintenance of the technical labour equipment, also for imported technical labour equipment shall be written in the German language. NOTE: Of this requirement, rules for use even only by service personnel are not exempted A (CH, Ordinance on environmentally hazardous substances SR ): Annex 4.10 of SR applies for batteries. A (DE, Regulation on protection against hazards by X-ray, of 8 th January 1987, Article 5 [Operation of X-ray emission source], clauses 1 to 4): a) A licence is required by those who operate an X-ray emission source. b) A licence in accordance with Cl. 1 is not required by those who operate an X-ray emission source on which the electron acceleration voltage does not exceed 20 kv if 1) the local dose rate at a distance of 0,1 m from the surface does not exceed 1 µsv/h and EUT is for building-in. This national difference was deleted by A11 of EN

36 age 34 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict 2) it is adequately indicated on the X-ray emission source that i) X-rays are generated and ii) the electron acceleration voltage must not exceed the maximum value stipulated by the manufacturer or importer. c) A licence in accordance with Cl. 1 is also not required by persons who operate an X-ray emission source on which the electron acceleration voltage exceeds 20 kv if 1) the X-ray emission source has been granted a type approval and 2) it is adequately indicated on the X-ray emission source that i) X-rays are generated ii) the device stipulated by the manufacturer or importer guarantees that the maximum permissible local dose rate in accordance with the type approval is not exceeded and iii) the electron acceleration voltage must not exceed the maximum value stipulated by the manufacturer or importer. d) Furthermore, a licence in accordance with Cl. 1 is also not required by persons who operate X-ray emission sources on which the electron acceleration voltage does not exceed 30 kv if 1) the X-rays are generated only by intrinsically safe CRTs complying with Enclosure III, No. 6, 2) the values stipulated in accordance with Enclosure III, No. 6.2 are limited by technical measures and specified in the device and 3) it is adequately indicated on the X-ray emission source that the X-rays generated are adequately screened by the intrinsically safe CRT S (NO): Requirements according to this annex, and apply S (NO): Requirements according to this annex, apply and S (NO): Requirements according to this annex, and apply S (GB): The current rating of the circuit shall be taken as 13 A, not 16 A C: Replace the subclause as follows: Basic requirements To protect against excessive current, shortcircuits and earth faults in RIMARY CIRCUITS, protective devices shall be included either as Replaced.

37 age 35 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict integral parts of the equipment or as parts of the building installation, subject to the following, a), b) and c): a) except as detailed in b) and c), protective devices necessary to comply with the requirements of 5.3 shall be included as parts of the equipment; b) for components in series with the mains input to the equipment such as the supply cord, appliance coupler, r.f.i. filter and switch, shortcircuit and earth fault protection may be provided by protective devices in the building installation; c) it is permitted for LUGGABLE EQUIMENT TYE B or ERMANENTLY CONNECTED EQUIMENT, to rely on dedicated overcurrent and short-circuit protection in the building installation, provided that the means of protection, e.g. fuses or circuit breakers, is fully specified in the installation instructions. If reliance is placed on protection in the building installation, the installation instructions shall so state, except that for LUGGABLE EQUIMENT TYE A the building installation shall be regarded as providing protection in accordance with the rating of the wall socket outlet. S (GB): To protect against excessive currents and short-circuits in the RIMARY CIRCUIT OF DIRECT LUG-IN EQUIMENT, protective device shall be included as integral parts of the DIRECT LUG- IN EQUIMENT C: Void C: Replace in the first line "(see also 1.4.7)" by "(see also 1.4.8)" S (NO): Due to the IT power distribution system used (see annex V, Fig. V.7), the A.C. MAINS SULY voltage is considered to be equal to the line-to-line voltage and will remain at 230 V in case of a single earth fault Replaced.

38 age 36 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict S (CH): Supply cords of equipment having a RATED CURRENT not exceeding 10 A shall be provided with a plug complying with SEV 1011 or IEC and one of the following dimension sheets: SEV , lug type 15, 3+N+E 250/400 V, 10 A SEV , lug type 11, L+N 250 V, 10 A SEV , lug type 12, L+N+E 250 V, 10 A In general, EN applies for plugs for currents exceeding 10 A. However, a 16 A plug and socket-outlet system is being introduced in Switzerland, the plugs of which are according to the following dimension sheets, published in February 1998: SEV , lug type 25, 3L+N+E 230/400 V, 16 A SEV , lug type 21, L+N 250 V, 16 A SEV , lug type 23, L+N+E 250 V, 16 A S (DK): Supply cords of single-phase equipment having a rated current not exceeding 13 A shall be provided with a plug according to the Heavy Current Regulations, Section D1. CLASS I EQUIMENT provided with socket-outlets with earth contacts or which are intended to be used in locations where protection against indirect contact is required according to the wiring rules shall be provided with a plug in accordance with standard sheet DK 2-1a or DK 2-5a. If ply-phase equipment and single-phase equipment having a RATED CURRENT exceeding 13 A is provided with a supply cord with a plug, this plug shall be in accordance with the Heavy Current Regulations, Section D1 or EN S (ES): Supply cords of single-phase equipment having a rated current not exceeding 10 A shall be provided with a plug according to UNE 20315:1994. Supply cords of single-phase equipment having a rated current not exceeding 2,5 A shall be provided with a plug according to UNE-EN 50075:1993. CLASS I EQUIMENT provided with socket-outlets with earth contacts or which are intended to be used in locations where protection against indirect contact is required according to the wiring rules, shall be provided with a plug in accordance with standard UNE 20315:1994. If poly-phase equipment is provided with a supply cord with a plug, this plug shall be in accordance with UNE-EN

39 age 37 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict S (GB): Apparatus which is fitted with a flexible cable or cord and is designed to be connected to a mains socket conforming to BS 1363 by means of that flexible cable or cord and plug, shall be fitted with a 'standard plug' in accordance with Statutory Instrument 1768:1994 The lugs and Socket etc. (Safety) Regulations 1994, unless exempted by those regulations. NOTE 'Standard plug' is defined in SI 1768:1994 and essentially means an approved plug conforming to BS 1363 or an approved conversion plug. S (IE): Apparatus which is fitted with a flexible cable or cord and is designed to be connected to a mains socket conforming to I.S. 411 by means of that flexible cable or cord and plug, shall be fitted with a 13 A plug in accordance with Statutory Instrument 525:1997 National Standards Authority of Ireland (section 28) (13 A lugs and Conversion Adaptors for Domestic Use) Regulations C: Delete Note 1 and in Table 3A, delete the conduit sizes in parentheses C: Replace "60245 IEC 53" by "H05 RR-F"; "60227 IEC 52" by "H03 VV-F or H03 VVH2-F"; "60227 IEC 53" by "H05 VV-F or H05 VVH2-F2". In Table 3B, replace the first four lines by the following: Up to and including 6 0,75 1) Over 6 up to and including 10 (0,75) 2) 1,0 Over 10 up to and including 16 (1,0) 3) 1,5 In the Conditions applicable to Table 3B delete the words "in some countries" in condition 1). In Note 1, applicable to Table 3B, delete the second sentence S (GB): A power supply cord with conductor of 1,25 mm 2 is allowed for equipment with a rated current over 10 A and up to and including 13 A C: In table 3D, delete the fourth line: conductor sizes for 10 to 13 A, and replace with the following: "Over 10 up to and including 16 Delete the fifth line: conductor sizes for 13 to 16 A. Deleted. Replaced. Deleted.

40 age 38 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict S (GB): The range of conductor sizes of flexible cords to be accepted by terminals for equipment with a RATED CURRENT of over 10 A up to and including 13 A is: - 1,25 mm 2 to 1,5 mm 2 nominal cross-sectional area S (GB): The torque test is performed using a socket outlet complying with BS 1363 and the plug part of DIRECT LUG-IN EQUIMENT shall be assessed to BS 1363: art 1, 12.1, 12.2, 12.3, 12.9, 12.11, 12.12, and 12.17, except that the test of is performed at not less than 125 C. S (IE): DIRECT LUG-IN EQUIMENT is known as plug similar devices. Such devices shall comply with Statutory Instrument 526:1997 National Standards Authority of Ireland (Section 28) (Electrical plugs, plug similar devices and sockets for domestic use) Regulations, C: Add the following note: NOTE Attention is drawn to 1999/519/EC: Council Recommendation on the limitation of exposure of the general public to electromagnetic fields 0 Hz to 300 GHz. Standards taking into account this recommendation are currently under development S (FI, NO, SE): Add the following text between the first and second paragraph: If this insulation is solid, including insulation forming part of a component, it shall at least consist of either - two layers of thin sheet material, each of which shall pass the electric strength test below, or - one layer having a distance through insulation of at least 0,4 mm, which shall pass the electric strength test below. If this insulation forms part of a semiconductor component (e.g. an optocoupler), there is no distance through insulation requirement for the insulation consisting of an insulating compound completely filling the casing, so that CLEARANCES AND CREEAGE DISTANCES do not exist, if the component passes the electric strength test in accordance with the compliance clause below and in addition - passes the tests and inspection criteria of with an electric strength test of 1,5 kv multiplied by 1,6 (the electric strength test of shall be performed using 1,5 kv), and - is subject to ROUTINGE TESTING for electric Added.

41 age 39 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict strength during manufacturing, using a test voltage of 1,5 kv. It is permitted to bridge this insulation with a capacitor complying with EN :1994, subclass Y2. A capacitor classified Y3 according to EN :1994, may bridge this insulation under the following conditions: - the insulation requirements are satisfied by having a capacitor classified Y3 as defined by EN , which in addition to the Y3 testing, is tested with an impulse test of 2,5 kv defined in EN 60950:2000, ; - the additional testing shall be performed on all the test specimens as described in EN ; - the impulse test of 2,5 kv is to be performed before the endurance test in EN , in the sequence of tests as described in EN S (FI, NO, SE): The exclusions are applicable for ERMANENTLY CONNECTED EQUIMENT and LUGGABLE EQUIMENT TYE B and equipment intended to be used in a RESTRICTED ACCESS LOCATION where equipotential bonding has been applied, e.g. in a telecommunication centre, and which has provision for a permanently connected ROTECTIVE EARTHING CONDUCTOR and is provided with instructions for the installation of that conductor by a service person. 7.1 S (FI, NO, SE): Requirements according to this annex, and apply with the term TELECOMMUNICATION NETWORK in being replaced by the term CABLE DISTRIBUTION SYSTEM. G.2.1 Annex H Annex S (NO): Due to the IT power distribution system used (see annex V, Fig. V.7), the A.C. MAINS SULY voltage is considered to be equal to the line-to-line voltage, and will remain at 230 V in case of a single earth fault. C: Replace the last paragraph of this annex by: At any point 10 cm from the surface of the operator access area, the dose rate shall not exceed 1 µsv/h (0,1 mr/h) (see note). Account is taken of the background level. Replace the notes as follows: NOTE These values appear in Directive 96/29/Euratom. Delete Note 2. C: Replace the text of this annex by: See annex ZA. Replaced. Replaced.

42 age 40 of 91 Report No.: IEC / EN Clause Requirement Test Result Remark Verdict Annex Q C: Replace the title of IEC by "rotection of persons and equipment by enclosures robes for verification". Add the following notes for the standards indicated: IEC NOTE Harmonized as EN (Series) (not modified) IEC NOTE Harmonized as HD S4:2000 (modified) IEC NOTE Harmonized as EN 60529:1991 (not modified) IEC NOTE Harmonized as EN 61032:1998 (not modified) IEC NOTE Harmonized as EN 61140:2001 (not modified) ITU-T Recommendation K.31 NOTE in Europe, the suggested document is EN