Motor Lead Pigtail Splice
for 1000 volts (or less) cables with
one-hole lugs
Instructions
Kit Contents (kit contains 3 splices):
3 Lug Covers
3 Tubes Silicone Grease
3 Mastic Sealing Strips
Kit Selection Table
Kit
Number
5300
5301
Cable Size Range
AWG (mm
2
)
Feeder
Motor Lead
14 - 10
(2,5 - 4)
10 - 4
(6 - 16)
16 -12
(1,5 - 2,5)
12 - 4
(4 - 16)
Cable Insulation
O.D. Range
in. (mm)
0.12 - 0.21
(3 - 5)
0.17 - 0.36
(4 - 9)
Lug Cover*
I.D.
in. (mm)
0.45
(11)
0.70
(18)
Maximum
Bolt Length
in. (mm)
3/8
(10)
1/2
(13)
* Lug cover I.D. - use when calculating kit sizing for a connection of more than two conductors (e.g. 3-way, 4-way, etc. Use of one-hole stacking
lugs is recommended.)
Table 1
Technical Information:
For use on Non-Shielded Cables 1000 Volts
(or less) with one-hole lugs.
Cable Size Range:
Feeder: 14 AWG-4 AWG
Motor Lead: 16 AWG-4 AWG
Copper Conductors
3M
™
Motor Lead
Pigtail Splice Kits
for 1000 Volts (or less)
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.
5300, 5301
78-8126-0998-6-A
A. Prepare Cables According to Standard
Procedures
1. Check to be sure cable sizes fit within the kit range as
shown in Table 1.
2. Remove cable insulation for length recommended
by terminal lug manufacturer; if no information is
available, remove for depth of lug barrel.
Note:
If a split bolt connector is used, refer to Table 2
below for maximum split bolt size for each kit.
Max. Split
Bolt Size
10 AWG
8 AWG
B. Install Lugs
1. Install and crimp lugs per manufacturer’s direction.
(See back page if 3M lugs are used.)
2. Clean insulation (or jacket as applicable) for
approximately 6" (152 mm).
3. Bolt lugs together. See Table 1 for maximum bolt
length, and Figure 1 for proper bolt/lug arrangement.
C. Installation
Note:
If moisture resistance is not required, proceed
to Step 4.
Kit No.
5300
5301
Table 2
1. To gauge mastic build up in next step, temporarily
install lug cover over bolted lugs, leaving 1/2" (13
mm) of lug exposed.
2. Separate the cables and apply mastic strip around
insulation and between them at a position just onto
insulation (Figure 3).
For jacketed feeder cable, see
note below.
Build thickness so the overall diameter is
slightly larger than the observed inside diameter of the
lug cover. Press cables together and be sure that no
void exists between them.
MASTIC STRIP OVERWRAPPED WITH
VINYL TAPE
LUG COVER
Figure 1
For Jacketed Feeder Cable Only:
If jacketed feeder cable is used, remove an additional
1/4" (6 mm) of jacket, leaving 1/4" (6 mm) of cable
insulation exposed (Figure 2).
APPLY SILICONE GREASE
Figure 3
For Jacketed Feeder Cable Only:
For jacketed feeder cable, center mastic strip over cut-
back edge of cable jacket, so that it seals onto both the
cable jacket and insulation (Figure 4).
Jacket
"
Insulation
JACKET EDGE
INSULATION
LUG COVER
Figure 2
MASTIC STRIP OVERWRAPPED WITH
VINYL TAPE
APPLY SILICONE GREASE
Figure 4
2
78-8126-0998-6-A
3. Overwrap the mastic with 1 or 2 wraps of vinyl tape.
4. Install lug cover.
Note:
The kit contains a small tube of silicone grease.
Use it to lightly lubricate the mastic-vinyl wrap.
This will aid in installing the lug cover (Figure 3
or 4, as applicable).
5. Overwrap the end of the lug cover and onto the cables
with 1 or 2 wraps of vinyl tape (Figure 5).
LUG COVER
VINYL TAPE
Figure 5
Lug and Crimping Information for
Scotchlok
™
Copper Lugs
30014 thru 30021
One hole
5.0 Copper Lugs
78-8126-0998-6-A
3
Appendix A
Splice Removal
1. Remove Vinyl Tape from end of Lug Cover. (Avoid use
of knife or other sharp tools that could damage cables.)
2. Slide Lug Cover off of lugged or split-bolt connection.
3. If splice was sealed for moisture resistance: Remove
Mastic and Vinyl Tape Seal from cables.
(CAUTION: Be careful not to damage cables.)
4. Remove nut and bolt (or split-bolt) to separate the
motor lead from the feeder cable(s).
Appendix B
Splice Reusability
1. First inspect the removed Lug Cover for damage or
wear. Replace it with a new splice if evidence of
damage or wear is found.
2. Obtain material to replace the non-reusable splice
components.
3. Re-Install the splice according to the standard kit
instructions.
Reusable Component
• Lug Cover
Replacement Components
These are standard 3M products, available from 3M
Electrical Products Division.
• Scotch-Seal
™
2230 Mastic Strip (UPC 054007-
41813), 5/8" x 6", 40/case
• 3M
™
SIL-5cc Silicone Grease (UPC 054007-41814),
5 cc Tube
• Scotch
®
‚ Super 33+ Vinyl Electrical Tape
(UPC 054007-06132), 3/4" x 66'
• 3M
™
Pin-Lug Cover, 2” Lg.
(78-8041-7208-4, special order)
3M, Scotch and Scotchlok are trademarks of 3M.
IMPORTANT NOTICE
Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability
associated with such use.
Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture as of the date of
purchase.
3M MAKES NO OTHER WARRANTIES 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.
Except
where prohibited by law, 3M will not be liable for any loss or damage arising from this 3M product, whether direct, indirect,
special, incidental or consequential regardless of the legal theory asserted.
Electrical Products Division
6801 River Place Blvd.
Austin, TX 78726-9000
www.3M.com/elpd
Printed on 50% recycled paper
with 10% post-consumer
Litho in USA
©3M 2002 78-8126-0998-6-A
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