Swifts cable ladder ancillary items

Transcription

1 earth continuity connector If a supplementary bonding conductor for equipotential earthing is required, straight lengths and fittings in all Swifts ladder ranges have fixing holes provided to accommodate a flexible earth continuity connector. On straight lengths, fixing holes are pitched every 75 mm to avoid the need for drilling if the ladder is cut When used with galvanised or finish ladder, the lug of the earth continuity connector is fixed directly to the ladder side rail Finish : electro tinned copper The earth continuity connector has a current capacity rating of mps Supplied in bagged quantities of ten with fasteners Dimensions (hole centres) 295 (braid length) Hole Ø6 5 Copper lug to BS 17 (1981) and BS 1977 (1976) 2 Conductor area 16 mm (copper braid to BS 4109) 12 0 Typical ladder length ends Two holes Ø7 5 Two holes Ø7 5 ttach the earth continuity connector to either hole, depending on coupler position Fasteners (included) Two fasteners per connector G, D, S and E finishes B C D E M6 x 10 Brass setscrew (BS 692) B Ladder side rail C Earth continuity connector D Brass 1 6 x 12 5 x 6 4 (BS420) E M6 Brass nut (BS 692) S () 79

2 hold down clips and insulated hold down clips Hold down clips are used for fixing cable ladder to trapeze hangers, Swiftrack channel or other flat support surfaces. They are fitted on the outside of the ladder rail Supplied singly without fasteners Supplied with the required nylon insulating pad, bush and washer Insulated versions for ladder are available on request, for details contact us on +44 (0) Cat. Nos. Standard hold down clip ZFF PFF EFF Insulated hold down clip ZF INF PF INF EF INF (continued) Standard hold down clip Hold down clip Insulated hold down clip Hold down clip Standard hold down clip Insulated hold down clip Ø15 nylon bush Nylon washer Nylon pad Insulated hold down clips are assembled as shown (typical) with the nylon pad, bush and washer providing the required insulation Standard hold down clips are assembled in the same way, but without the insulating parts (bold type see below) Use M10 screw, nut and washers to suit the application (not included) Use fasteners illustrated only those shown in bold type are included M10 x 40 long grade 4-70 setscrew Stainless steel hold down clip X One hole Ø11 40 Cat. Nos. (kg) ZFF PFF EFF Nylon 66 insulating pad bush 7 5 long washer spring washer nut Fixing hold down clips to supports ll types of support from the Swifts range are provided with correctly positioned fixing holes to accept hold down clips without drilling. The table contains data on fixing hole spacing required when attaching hold down clips to other supports Cat. Nos. Centre distance between fixing holes x ZFF W + 95 PFF W + 95 EFF W + 95 W = ladder width W S () Trapeze hangers : see p. 75 Swiftrack channel support : see p

3 hold down brackets and insulated hold down brackets Hold down brackets are used for fixing cable ladder to cantilever arms, trapeze hangers, Swiftrack channel or other flat support surfaces. They can be fitted on the inside or the outside of the ladder rail When used with other items from the Swifts range refer to the relevant product page for specific orientation details Supplied singly without fasteners Insulated versions for ladder are available, contact us on +44 (0) Insulated hold down brackets are supplied with the required nylon insulating pad, bush and washer Standard hold down bracket Insulated hold down bracket Standard hold down bracket Hold down bracket Insulated hold down bracket Hold down bracket Ø15 nylon bush Nylon washer Nylon pad B 40 Standard hold down bracket ZJF PJF EJF Insulated hold down bracket ZJ INF PJ INF EJ INF Insulated hold down brackets are assembled as shown (typical) with the nylon pad, bush and washer providing the required insulation. Standard hold down brackets are assembled in the same way, but without the insulating parts (bold type see below) Use M10 screw, nut and washers to suit the application (not included) Use fasteners illustrated only those shown in bold type are included Stainless steel hold down bracket M10 x 40 long grade 4-70 setscrew X 9 One hole Ø11 Cat. Nos. B (kg) ZJF PJF EJF Nylon 66 insulating pad bush 7 5 long washer spring washer -70 nut Fixing hold down brackets to supports ll types of support from the Swifts range are provided with correctly positioned fixing holes to accept hold down brackets without drilling. The table contains data on fixing hole spacing required when attaching hold down brackets to other supports Cat. Nos. Centre distance between fixing holes inside ladder Y outside ladder x ZJF W 44 W + 80 PJF W 44 W + 80 EJF W 44 W + 80 W = ladder width Y W S () Cantilever arms : see p. 74 Swiftrack channel support : see p

4 boltable hold down brackets Boltable hold down brackets enable all ranges of cable ladder to be secured to either Swiftrack or fabricated structural steel supports Brackets can be fitted wherever supports are available along the length of the ladder and fit to the inside of the ladder side rails thus minimising the total width required Supplied singly with bracket to ladder fasteners Support between rungs Support under rungs 55 Four 7 x 1 slots Cat. Nos. (kg) ZNF PNF ENF When attaching boltable hold down brackets to fabricated structural steel supports, the spacing between fixing holes should be W - 64 mm, where W is the ladder width Bracket to ladder fasteners (included) Cat. Nos. ZNF PNF ENF Quantity of fasteners per bracket M10 x 20 coachbolt M10 flange nut Fastener finishes For ladders with G, D and E finishes, fasteners are high tensile Grade 8.8 hot dip galvanised For ladders with S finish, fasteners are corrosion resistant stainless Grade 470 n alternative material for fasteners may be required depending on the installation environment, for details contact us on +44 (0) Bracket to support fasteners (not included) Slots are provided for M10 setscrews length to suit application S () 82

5 boltable angled hold down brackets Boltable angled hold down brackets enable the Swifts ranges of cable ladder to be secured to Swifts heavy duty cantilever arms and trapeze hangers. Brackets can be fitted wherever supports are available along the length of the ladder and fit to the inside of the ladder side rails thus minimising the total width required Boltable angled hold down brackets are supplied in handed pairs with bracket to ladder fasteners For fixing cable ladder to Swiftrack channel or structural steel supports use boltable hold down bracket, see p. 82 Cantilever arm between rungs Trapeze hanger between rungs 0 Two 22 x 11 slots One 7 x 1 slot Trapeze hanger under rung (1) Trapeze hanger under rung (2) Cat. Nos. (kg) ZPF PPF EPF ll weights given are in kilograms (kg) and are for a pair of brackets in hot dip Bracket to ladder fasteners (included) Cat. Nos. ZPF PPF EPF Quantity of fasteners per bracket M10 x 20 coachbolt M10 flange nut Fastener finishes For ladders with G, D and E finishes, fasteners are high tensile Grade 8.8 hot dip galvanised For ladders with S finish, fasteners are corrosion resistant stainless Grade 470 n alternative material for fasteners may be required depending on the installation environment, for details contact us on +44 (0) Bracket to support fasteners (not included) Slots are provided for M10 setscrews length to suit application S () Cantilever arms : see p. 74 Trapeze hangers : see p. 75 8