3M 7624-T-110 manual

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Table of contents for the manual

  • Page 1

    3M ™ C old Shrink QT - II I Si licone R ubber Indo or T u bu lar T e rmi na tion K it With Hi gh-K Stress R e l i ef For T ape Shield, Wir e Shield and UniShield ® Cable 7622-T -110, 7623-T -110, 7624-T -110, 7625-T -110, 7626-T -110 Instructions IEEE Std. No. 48 Class 1 T ermination 15 kV Class 110 kV BIL F C AUTION Working around energized sys[...]

  • Page 2

    2 78-81 13-5099-6 Rev E 1.0 Kit Contents 3 High–K, T racking Resistant, Silicone Rubber T erminations 3 Pre-formed Ground Braids 3 Constant Force Springs 3 3M ™ EMI Copper Foil Shielding T ape 1 181 Strips, 1/2" x 10" 6 Strips Scotch ® Mastic Strip 2230 (black with white release liners, bagged) 1 3M ™ Cable Cleaning Preparation Kit[...]

  • Page 3

    78-81 13-5099-6 Rev E 3 2.0 Instructions for T ape Shielded Cable Prepare Cable 2.1 Check to be sure cable size fits within kit range as shown in T able 1. 2.2 Prepare cable using dimensions shown in Figure 1. BE SURE T O ALLOW FOR DEPTH OF TERMINAL LUG. If necessary to prevent tape shield from unrolling, hold down edge with a single wrap of 3M ™[...]

  • Page 4

    4 78-81 13-5099-6 Rev E 3.2 Position pre-formed ground braid with short tail over tape shield directly adjacent to cable jacket cut edge. PLEASE NOTE: The ground braid needs to make full contact with the metallic tape shield. Position long tail of ground braid, extending over cable jacket with solder block over mastic strip (Figure 3). Secure groun[...]

  • Page 5

    78-81 13-5099-6 Rev E 5 3.5 W rap two highly stretched half-lapped layers of electrical grade vinyl tape around Scotch ® Mastic Strip 2230, constant force spring and exposed tape shield (Figure 5). NOTE: T ake care not to cover exposed semi-con insulation shield. A minimum of 1 " (25 mm) must be exposed. SPECIAL NOTE FOR CLOTH OR P APER SEMI-[...]

  • Page 6

    6 78-81 13-5099-6 Rev E 6.0 Install T ermination 6.1 Slide the termination body onto the cable and remove core. Make sure the termination body (not the core) is butted up to the edge of the vinyl tape marker previously applied (Figure 7). Pull the core while unwinding, counter- clockwise, starting with the loose end (Figure 7). Be sure to alternate[...]

  • Page 7

    78-81 13-5099-6 Rev E 7 Instructions for Wire Shielded Cable 7.0 Prepare Cable 7.1 Check to be sure cable size fits within kit range as shown in T able 1. 7.2 Prepare cable using dimensions shown in Figure 8 and Figure 9. BE SURE T O ALLOW FOR DEPTH OF TERMINAL LUG. NOTE: Provide additional exposed conductor distance to account for growth during cr[...]

  • Page 8

    8 78-81 13-5099-6 Rev E 8.0 Install Ground Braid 8.1 Select a Scotch ® Mastic Strip 2230 from kit and remove white release liners. Using light tension apply a SINGLE WRAP of mastic around the cable jacket 1/4" (6 mm) from cut edge (Figure 10). Cut off excess. Semi-Con Cable Jacket 1/4" (6 mm) 1st Scotch ® Mastic Strip 2230 Figure 10 8.2[...]

  • Page 9

    78-81 13-5099-6 Rev E 9 8.3 W rap ground braid around cable shield wires one complete wrap, trim excess to prevent overlap and secure in place with constant force spring. W rap spring in same direction as ground braid (Figure 12). Cinch (tighten) the spring after wrapping the final winding. 8.4 Select second Scotch ® Mastic Strip 2230 from kit and[...]

  • Page 10

    10 78-81 13-5099-6 Rev E 9.0 Install Lug or Connector Important Packaging Notice In order to make sure that you receive an undamaged termination, this 3M™ Cold Shrink QT -III T ermination is packed with a RED SHIPPING CORE inside of the white core. Please remove the red shipping core BEFORE you install the termination. This shipping core can be r[...]

  • Page 11

    78-81 13-5099-6 Rev E 11 1 1.2 Connect ground braid to system ground according to standard practice. Semi-Con Insulation Shield Ridge at End of Cable Insulation Shield (Semi-Con) Ridge at End of High-K T ube Correct Installation of T ermination on W ire Shielded Cable Cable Insulation Conductor Vinyl T ape Marker Seal Stress Controlling Compound Hi[...]

  • Page 12

    12 78-81 13-5099-6 Rev E 12.4 Remove constant force spring. Bend shield wires back upon cable jacket 1-1/2" (38 mm). Cut excess shield wire and discard (Figure 17). 9" (229 mm) 1-1/2" (38 mm) Semi-Conductive Jacket Fold Back Shield Wires Depth Of T erminal Lug + Growth Allowance Figure 17 12.5 Remove semi-conductive jacket to dimensi[...]

  • Page 13

    78-81 13-5099-6 Rev E 13 13.0 Install Ground Braid 13.1 Select a Scotch ® Mastic Strip 2230 from kit and remove white release liners. Using light tension apply a SINGLE WRAP of mastic around the cable semi-conductive jacket 1/4" (6 mm) from shield wires (Figure 19). Cut off excess. Semi-Con Shield Wires 1/4" (6 mm) 1st Scotch ® Mastic S[...]

  • Page 14

    14 78-81 13-5099-6 Rev E Shield Wires Constant Force Spring Ground Braid Solder Block Ground Braid Leg T rim Cable Wire Shield 1st Scotch ® Mastic Strip 2230 2nd Scotch ® Mastic Strip 2230 Figure 21 13.5 W rap two highly stretched half-lapped layers of electrical grade vinyl tape around mastic seal, constant force spring and exposed shield wires [...]

  • Page 15

    78-81 13-5099-6 Rev E 15 NOTE: Refer to pages 17-19 for 3M ™ connector and lug crimping information. NOTE: For Aluminum Conductors - Thoroughly wire brush conductor strands to remove aluminum oxide layer . Insert conductor into lug or connector and then remove conductor . This will transfer some of the antioxidant compound onto the conductor . W [...]

  • Page 16

    16 78-81 13-5099-6 Rev E Semi-Con Ridge at End of Cable Insulation Shield (Semi-Con) Ridge at End of High-K T ube Correct Installation of T ermination on UniShield ® Shielded Cable Cable Insulation Conductor Vinyl T ape Marker Seal Stress Controlling Compound High-K Stress Relief T ube Environmental Top[...]

  • Page 17

    78-81 13-5099-6 Rev E 17 T ooling Index Lug and Crimping Information for 3M ™ Scotchlok ™ Copper Lugs 30014 thru 30045 One hole 31036 thru 31068 One hole-long barrel Cable Size AWG/ kcmil Stud Size (in.) 3M ™ Scotchlok ™ Copper Lug Number Crimping T ool-Die Sets (Minimum Number Of Crimps) Burndy Corporation Thomas & Betts Corporation Sq[...]

  • Page 18

    18 78-81 13-5099-6 Rev E T ooling Index Lug and Crimping Information for 3M ™ Scotchlok ™ Copper/Aluminum Lugs 40016 thru 40079 One hole 40132 thru 40178 T wo hole Cable Size AWG/ kcmil Stud Size (in.) 3M ™ Scotchlok ™ Lug Number Crimping T ool-Die Sets (Minimum Number Of Crimps) Burndy Corporation Thomas & Betts Corporation Square D Co[...]

  • Page 19

    78-81 13-5099-6 Rev E 19 T ooling Index Crimping Information for 3M ™ Stem Connectors Copper/Aluminum Conductor Size AWG & kcmil 3M ™ Connector Number Crimping T able For 3M ™ Stem T ype Connector Recommended Crimping T ools Stranded Solid Manufacturer Mech. T ool Die (Minimum No. Crimps) Hydraulic Die (Minimum No. Crimps) 2 , 1 4 1/0 1, [...]

  • Page 20

    3M, Scotch and Scotchlok are trademarks of 3M Company . UniShield is a trademark of General Cable T echnologies Corporation. Important Notice All statements, technical information, and recommendations related to 3M's products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this[...]