3M Cold Shrink QS-III Splicing Kit Bedienungsanleitung
3MTM Cold Shrink QS-III
Splicing Kit 5467A-We
Instructions
IEEE Std. 404
35 kV Class
250 kV BIL
3M™Cold Shrink
QS-III Splicing Kit
5467A-We
78-8141-4631-8-A
Jacketed Concentric Neutral (JCN)
Concentric Neutral (CN)
Connector Dimensional Requirements
Minimum Maximum
inches (mm) inches (mm)
Outside Diameter 0.51" (13,0mm) 1.70" (43,2 mm)
Length
Aluminum (Al/Cu) ------ 6.00" (152 mm)
Length
Copper (Cu) ------ 6.50" (165 mm)
Selection Chart
Kit Number Cable Insulation Conductor
O.D. Range Size Range
5467A-We 1.07" to 1.70" 1/0 AWG - 350 kcmil*
(27,2 mm to 43,2 mm) (60 - 185 mm2)
*Splices (including size transitions) can be made to smaller or larger conductors (but larger
conductors may require special neutral handling), provided both cables are within the Insulation
O.D. Range and the connector meets the dimensional requirements shown below.
CAUTION
Working around energized high-voltage systems may cause serious
injury or death. Installation should be performed by personnel familiar
with good safety practice in handling high-voltage electrical equipment.
De-energize and ground all electrical systems before installing product.
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Contents
1.0 Kit Contents ............................................................................................................................................3
2.0 Instructions for Jacketed Concentric Neutral (JCN) and Concentric Neutral (CN) Cables ................4
2.1 Prepare Cables................................................................................................................................5
2.2 Install Splice ..................................................................................................................................7
For JCN to JCN Splices
2.3 Connect Neutral Wires for JCN Splices........................................................................................10
2.4 Install Jacket for JCN Splices........................................................................................................11
For CN to CN Splices
2.5 Connect Neutral Wires for CN Splices ........................................................................................12
2.6 Install Jacket for CN Splices ........................................................................................................13
For CN to JCN Transition Splices
2.7 Connect Neutral Wires for Transition Splices ..............................................................................15
2.8 Install Jacket for Transition Splices ..............................................................................................16
Connector Crimping Information ..................................................................................................17
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b
a
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e
h
i
1.0 Kit Contents:
1.1 Kit Contents are as follows:
a) 3M™ Cold Shrink QS-III Splicing Kit 5467A (1 ea.)
b) Cold Shrink Jacketing Tube (1 ea.)
c) Cold Shrink Adapter Tube (2ea.)
d) Red Compound Tubes (non-silicone grease) (2 ea.)
e) Scotch® Mastic Strip 2230, 6" length (6ea.)
f)
Scotch®
Rubber Mastic Tape 2228 Rolls (2 ea.)
g)
3M™
Cable Cleaning Pad Kit CC-3 (1 ea.)
h) Cable Preparation Template (1 ea.)
i) Neutral Pad (1 ea.)
j) Instruction Booklet (1 ea.)
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2.0 Instructions for Splicing Jacketed Concentric Neutral (JCN), Concentric
Neutral (CN) Cables, and JCN to CN Transition Splices
Jacketed Concentric Neutral (JCN)
Concentric Neutral (CN)
Cold Shrink Jacket
Splice Body
Connector
Cable Insulation
Cable Semi-con
Tape Marker
Cable Jacket
Rubber Mastic Seal
Cutaway view (JCN)
578-8141-4631-8-A
2.1 Prepare Cables
2.1.1 Prepare cables according to standard procedures. Refer to template provided or illustration below for
proper dimensions. Additional distance is required on one cable to provide extra neutral wire length
for connecting the neutrals.
Jacketed Concentric Neutral (JCN) Concentric Neutral (CN)
extra neutral
wire length
13" (330 mm)
8 1/2" (216 mm)
Note: Cables must be within the Insulation O.D. Range of the splice kit and the connector must meet
the dimensional requirements shown on the front page.
13" (330 mm)
8 1/2" (216 mm)
4 1/2"
(114 mm)
4 1/2"
(114 mm)
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2.1.3 Remove cable insulation for 1/2 connector length plus an allowance *for increases in connector length due
to crimping. Insulation removal length shall not exceed 3 1/4" (83 mm) from conductor end. Do not
install connector now.
*Note: This assumes that the installer has determined the increased length of an aluminum connector
crimped with a specific tool and die. Copper connectors do not require a length change allowance.
2.1.2 JCN: Carefully bend neutral wires back over edge of cable jackets. Press them against cables and
temporarily secure with vinyl tape.
For CN splices with exposed neutral connections:
Carefully bend neutral wires back over binding (wire or tape). Press them against cables and temporarily
secure with vinyl tape.
For CN to JCN transition splices or CN splices with covered neutral connections:
Clean cable semi-con as shown. Place a strip of mastic around cable semi-con next to neutral binder. Fold
neutrals into mastic and place another binding wire on the other side of the mastic. Wrap two additional
strips of mastic over the first one and cover with two half lapped layers of vinyl tape. Fold neutrals over
mastic seal and temporarily secure ends with vinyl tape.
mastic strip
clean cable
semi-con
mastic strip
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2.1.4 Clean or cover cable jacket if necessary, for cold shrink parking position. Slide the jacketing tube onto one
cable end. Slide splice body onto opposite cable, loose core end first. For size transitions, park splice on
smaller cable.
*Note: If space is limited, the jacketing tubes and splice body can be put on the cable stacked inside each other.
Normal installation
loose core end
loose core end
* Stacked for limited space
Aluminum Connector (Al / Cu) Copper Connector (Cu)
Note: Jacketing is not optional. Cold shrink jacketing tube must be installed.
Aluminum (Al/Cu) Connector Growth Chart
Conductor Size Typical growth allowance (per end)
1/0 - 3/0 1/8" (3mm)
4/0 - 350 1/4" (6 mm)
Note: 1) Copper connectors do not require a length change allowance.
2) Maximum aluminum connector crimped length allowed is 6.50" (165 mm).
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2.2.2 Apply a tape marker to semi-con insulation shield on
cable which does not contain splice.
Measure 10 1/2" (267 mm) from center of connector.
10 1/2" (267 mm)
2.2 Install Splice
2.2.1 Install connector. See table (on cover) for proper
connector dimensions. (For standard 3M™ connectors,
refer to table at the end of this instruction for crimping
information)
2.2.3 If using cold shrink adapter tube:
Position adapter tube over the connector. Shrink adapter
near center of connector by pulling and unwinding the
loose core end.
2.1.5 For 1/0 through 3/0 AWG connectors, or
connectors with an O.D. between 0.51-0.76"
(13,0–19,3 mm): Slide the cold shrink adapter tube
with the WHITE CORE onto the insulation with the
loose core ribbon end going on first, away from the
cable end.
For 4/0 AWG through 350 kcmil connectors or
connectors with an O.D. between 0.68–1.07"
(17,3–27,2 mm): Slide the cold shrink adapter tube
with the RED CORE onto the insulation with the loose
core ribbon end going on first, away from the cable
end.
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2.2.6 Position the splice body over connector area, aligning its end at the center of the tape marker. Slowly start to
remove the splice core by pulling and unwinding the loose end counterclockwise, allowing only 1/4" (6 mm)
of the splice to shrink onto the tape marker. Carefully slide the body off of the tape by pulling and twisting
until the entire tape marker is exposed. Continue removing core to complete the splice body installation.
Note: The splice body ends must overlap onto the semi-conducting layer of each cable by at least 1/2" (12,7 mm).
tape marker
Note: DO NOT push the splice body towards the tape marker, as this may cause the end to roll under.
If the end does roll under, DO NOT use sharp edged tools to pull it out as this could cut and
damage the splice.
2.2.4 Clean cables using standard practice:
a. Do not use solvent or abrasive on cable semi-conductive insulation shield.
b. If abrasive is used on cable insulation, do not reduce diameter below the 1.07" (27,2 mm) minimum
specified for the splice.
2.2.5 Apply red compound on cable insulation, making certain to fill in edge of cable semi-cons.
DO NOT use silicone grease.
Greased areas as notedCompound filled at edge of semi-cons
grease grease
fill edge of
semi-con
10 78-8141-4631-8-A
For JCN to JCN Splices
2.3 Connect Neutral Wires for JCN Splices
2.3.1 Route neutrals straight across the splice body and secure using vinyl tape.
2.3.2 Wrap the neutral pad over one end of the splice and cable semi-con. Secure pad with two wraps of vinyl
tape. Wrap a mastic strip around each cable semi-con next to the neutral wires.
Neutrals straight across splice
Note: If grounding splice, leave sufficient neutral wire length to extend neutral wires through the inline
compression connectors for connection to the ground wire per Wisconsin Electric specifications.
Connect the neutral wires using inline compression connectors. The neutral wires should pass through the
connector, making an overlap crimp. Trim excess neutral wire on both sides for a non-grounded splice or
on the spice body side only for a grounded splice. All connections must be made over the neutral pad.
After all of the neutral wires are connected. Wrap a mastic strip over the end of the cable jacket and the
previously applied mastic on both sides of the splice.
Neutral connection without splice grounding Neutral connection for a grounding splice
2.3.3 For grounded splices, route the grounding wires over the mastic seal and secure with vinyl tape. Wrap
another mastic strip over the grounding wires and mastic seal.
2.3.4 Cover crimped connectors with vinyl tape.
Neutral Pad
Mastic Strip
Neutral wire ends
Mastic
Neutral wire ends Grounding wires
Mastic Seal Mastic
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