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3M
Cold Shrink QT-III Silicone
™
Rubber 3/C Cabinet Mount
Termination Kit
With High-K Stress Relief
For 3-Conductor Copper Tape Shield Cables
with or without Ground Wires
7600-T-3RJS Series
Instructions
IEEE Std. No. 48
Class 1 Termination
F CAUTION
Working around energized systems may cause serious injury or death. Installation should
be performed by personnel familiar with good safety practice in handling electrical
equipment. De-energize and ground all electrical systems before installing product.
August 2013
78-8127-6973-1 Rev D
3
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Summary of Contents for 3M 7600-T-3RJS Series
- Page 1 Rubber 3/C Cabinet Mount Termination Kit With High-K Stress Relief For 3-Conductor Copper Tape Shield Cables with or without Ground Wires 7600-T-3RJS Series Instructions IEEE Std. No. 48 Class 1 Termination F CAUTION Working around energized systems may cause serious injury or death. Installation should be performed by personnel familiar with good safety practice in handling electrical equipment.
- Page 2 78-8127-6973-1 Rev D...
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Page 3: Kit Contents
Kit Contents Cold Shrink Silicone Rubber Termination Assemblies ™ Silicone Rubber Phase Rejacketing Sleeve Assemblies Roll Tinned Copper Ground Braid Constant Force Springs EMI Copper Foil Shielding Tape 1181 Strips, 1/2" x 10" ™ Roll Scotch Super 33+ Vinyl Electrical Tape ®... -
Page 4: Prepare Cable
Cable CONNECTOR SIZE RANGE (AWG and kcmil) Insulation Kit Number 5 kV 8 kV 15 kV 25/28 kV 35 kV (kV) Range [inch (mm)] 100% 133% 100% 133% 100% 133% 100% 133% 100% 133% 0.33–0.50 7620-T-95-3-RJS 8–2 6–4 6–4 6–4 –... - Page 5 Temporary Vinyl Tape Band Ground Wire Copper Tape Shield Figure 1 2.0 Attach Metallic Shield Grounding Braids 2.1 Cut supplied tinned copper grounding braid into three equal 2’ (610 mm) lengths. Expand each braid end for a ② distance of 2" (51 mm) ( Figure 2).
- Page 6 2.2 Attach shield ground braids: A. Position each expanded ground braid end over phase shielding as shown in Figure 3. B. Using bands of Scotch Vinyl Electrical Tape, secure upper braid end to copper tape shielding 8" Super 33+ ® ™...
- Page 7 3.0 Install Silicone Rubber Rejacketing Sleeves 3.1 From the chart below, determine the correct [A] dimension (Figure 5) for the termination product being installed. Kit Number Dimension [A] 7620-T-95-3-RJS 6.75” (171 mm) 7621-T-95-3-RJS 7623-T-95-3-RJS 5.50” (140 mm) 7624-T-95-3-RJS 7625-T-95-3-RJS 7621-T-110-3-RJS 7622-T-110-3-RJS 8.5”...
- Page 8 3.5 Guide one rejacketing sleeve assembly over each cable phase leg (Figure 7). Push sleeve assembly from above. Continuously guide the free end maintaining sleeve-to-cable-core alignment. Figure 7 3.6 Slide rejacketing sleeve until inner polyester braid is within 2" (51 mm) of desired final location (near cable entrance gland).
- Page 9 Growth Allowance 1/4” (6 mm) 1/2" (13 mm) 3/4" (19 mm) Field Determined 4.2 Secure cable copper tape shield ends with 3M EMI Copper Foil Shielding Tape 1181 Strip (Figure 11). ™ Rejacketing Sleeve 3M™ EMI Copper Foil Shielding Tape 1181 Strip...
- Page 10 Start taping 0.75" (19 mm) over rejacketing sleeve, extend 0.25" (6 mm) over cable metallic shield and return to starting point. Note: Do not fully cover the Copper Tape Shield or 3M™ EMI Copper Foil Shielding Tape 1181 Strips. BE SURE TO LEAVE PART OF THE COPPER TAPE SHIELD EXPOSED.
- Page 11 2. Use only aluminum oxide abrasive; grit 120 or finer. 3. Be careful not to reduce the cable insulation diameter below that allowed by the kit. (e.) Thoroughly clean primary insulation and lug barrel area using a solvent wipe from supplied 3M Cable ™...
- Page 12 INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3M's option, to replace or repair the 3M product or refund the purchase price of the 3M product.
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