3M 5321 Manual de usuario
3M™Motor Lead Pigtail Splice
5321, 5322, 5323 & 5324
for 5/8 kV Non-Shielded and Shielded Cables
(Ribbon or Wire and UniShield®Cables)
Instructions
Cable Size Range:
Feeder: #8 AWG – 500 kcmil
Motor Lead: #10 AWG – 500 kcmil
Copper Conductors
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 2009
78-8096-4635-5-C
2 78-8096-4635-5-C
Kit Contents
3 Lug Cover
3 Cold Shrink Tube
9 Mastic Sealing Strip(s)*
3 Roll Scotch®Stress Control Tape 2220
3 Bag Solvent Cleaning Cloths
3 Tube Silicone Grease
3 Rolls Scotch®Linerless Rubber Splicing Tape 130C
3 Instruction Sheets
Requires Vinyl Tape that is not in kit
*Quantity varies with kit number
Kit Selection Table
Kit Number Cable Size Range (AWG/kcmil) Cable Insulation
O.D. Range Max Bolt Length
Feeder Motor Lead
5321 8 – 4 10 – 4 0.30 – 0.51 in. 1/2 in.
5322 2 – 1/0 4 – 1/0 0.43 – 0.65 in. 3/4 in.
5323 1/0 – 250 2 – 250 0.53 – 0.88 in. 1 1/4 in.
5324 250 – 500 4/0 – 500 0.75 – 1.12 in. 1 1/2 in.
Table 1
78-8096-4635-5-C 3
Instructions for 5/8 kV Pigtail Non-Shielded Feeder Cables
1.0 Prepare Cable According to Standard Procedures
NOTE: The Scotch®Stress Control Tape 2220 will not be used for non-shielded cable.
1.1 Check to be sure cables fit within cable kit range as shown in Table 1.
1.2 Remove cable insulation for length recommended by terminal lug manufacturer; if no information is available,
remove for depth of lug barrel.
2.0 Install Lugs
2.1 Install and crimp lugs per manufacturer’s direction. See back page if 3M™Scotchlok™Lugs are used.
2.2 Clean insulation for approximately 6" using solvent saturated cloths provided in kit.
2.3 FOR 8kV ONLY. Fill lug/insulation gaps with Scotch®Linerless Rubber Splicing Tape 130C (Figure 1).
Large Lug
Small Lug
Scotch®Linerless Rubber Splicing Tape 130C
Scotch®Linerless Rubber Splicing Tape 130C
Figure 1
2.4 Bolt lugs together. See Table 1 for maximum bolt length. See Figure 2 for proper bolt/lug arrangement.
Large Lug
Small Lug
Bolt Should Be Inserted Thru
Hole Of Smaller Lug First
Washer
Figure 2
4 78-8096-4635-5-C
2.5 FOR 8 kV ONLY. Cover the lugs and bolt with four half-lapped layers of Scotch®Linerless Rubber Splicing
Tape 130C (Figure 3).
Scotch®Linerless Rubber Splicing Tape 130C
Figure 3
NOTE: FOR 8 kV ONLY: Lug cover will be printed with 5 kV rating, but mastic layer in Step B–5 (Figure 3)
qualifies the part as 8 kV.
3.0 Install Lug Cover
3.1 Install Lug Cover.
NOTE: The lug cover must extend over the cable insulation by a minimum of 1". For a one hole lug it will be
greater than 1" (Figure 4).
Lug Cover
1" Min.
Figure 4
3.2 Remove liner from Mastic Sealant Strips and apply around and between cables and at a position as close as
possible to the end of the Lug Cover (Figure 5).
3.3 Overwrap Mastic Sealant and the end of the Lug Cover with one or two wraps of vinyl tape (Figure 5).
Vinyl Tape Mastic Strips
Figure 5
78-8096-4635-5-C 5
4.0 Install Cold Shrink Insulator
4.1 Install Cold Shrink by sliding it over the Lug Cover with the loose end tab at terminal lug end. Align the end of
the Cold Shrink Tube approximately 2 beyond the Mastic Seal and Vinyl Seal Tape. Remove core by unwinding
counter-clockwise (Figure 6).
TIP: An occassional tug will aid in the removal of the core.
Mastic and Vinyl
Tape Seal
Counter-Clockwise
2"
Figure 6
Instructions for 5/8 kV Pigtail Shielded Feeder Cables
(Ribbon or Wire Shielded and UniShield®Cables)
5.0 Prepare Cable According to Standard Procedures
5.1 Check to be sure cables sizes fit within cable kit range as shown in Table 1.
For Non-Shielded Motor Lead Cable
5.2 Remove cable insulation for length recommended by terminal lug manufacturer; if no information is available,
remove for depth of lug barrel.
5.3 Clean insulation for approximately 6" using solvent saturated cloth provided in kit.
For Shielded Feeder Cable
For Ribbon Shielded Cable see Figures 7a, 8a and 9a.
For Wire Shielded Cable see Figures 7b, 8b and 9b.
For UniShield®Cable see Figures 7c, 8c and 9c.
5.4 Prepare cable by removing jacket and shielding per dimensions as shown in Figures 7 and 8, depending on type
of cable shielding.
NOTE: If practice calls for grounding shield, do not cut shield wires. See grounding.
5.5 Remove cable insulation for length recommended by terminal lug manufacturer; if no information is available,
remove for depth of lug barrel. See Figure 7a, 7b and 7c, depending on type of cable shielding.
6 78-8096-4635-5-C
1"
1/4"
3–1/2" Depth Of
Terminal
Lug Barrel
For Ribbon Shielding
Cable Jacket
Cable Metallic Shield
Cable Semi-Conductive Material
Cable Insulation
Figure 7a
Cable Semi-Conductive Material
Cable Insulation
Cable Shield Wires
Cable Jacket
Depth Of
Terminal
Lug Barrel
3–1/4"1–1/4"
For Wire Shielding
Figure 7b
Cable Semi-Conductive Jacket
Cable Shield Wires
Cable Insulation
Depth Of
Terminal
Lug Barrel
4"
1/2"
For UniShield®
Figure 7c
5.6 Clean cable insulation by using solvent saturated cloths. Do not allow solvent to touch cable semi-con. If
abrasive must be used to remove imbedded semi-con from cable insulation, use a non-conductive, 120 grit
aluminum oxide, such as in the Scotch®Cable Prep Kit CC–2 or 3M™Abrasive Roll A–3.
6.0 Install Stress Relief
6.1 Apply two half-lapped layers of Scotch®Stress Control Tape 2220 for 1/4" onto the cable semi-con (1/2" onto
UniShield®jacket) and extend two inches onto cable insulation (wrap tape silver side out). Figures 8a, 8b or 8c,
depending on type of cable shielding.
NOTE: Grounding
If practice calls for an external ground, a 3M Ground Strap Assembly Kit (GS–1, GS–2 and GS–3) is available
from your local distributor for use on ribbon shield cable. Follow procedure for these kits for grounding. For
UniShield®and wire shield cable, a ground strap assembly kit is not necessary. Simply fold the wires back over
jacket to connect to the system ground.
78-8096-4635-5-C 7
Scotch®Stress Control Tape 2220
1/4"
2" For Ribbon Shielding
Figure 8a
For Wire Shielding
1/2" 1"
2"
1/4"
Scotch®Stress Control Tape 2220
Figure 8b
1/2"
For UniShield®
1/2"
2"
Scotch®Stress Control Tape 2220
Figure 8c
6.2 Wrap two half-lapped layers of vinyl tape over the Scotch®Stress Control Tape 2220 and one inch onto cable
jacket. (1/2" beyond cut off, bent back shield wires for wire and UniShield®cables. Figures 9a, 9b or 9c,
depending on type of cable shielding).
Scotch® Super 33+™ Vinyl Electrical Tape
For Ribbon Shielding
1"
Figure 9a
For Wire Shielding
1/2"
Scotch® Super 33+™ Vinyl Electrical Tape
1"
Figure 9b
8 78-8096-4635-5-C
1/2"
For UniShield®
1/2"
Scotch® Super 33+™ Vinyl Electrical Tape
Figure 9c
7.0 Install Lugs
7.1 Install and crimp lugs per manufacturer’s direction; see back page if 3M™Scotchlok™Lugs are used.
7.2 FOR 8kV ONLY. Fill lug/insulation gaps with Scotch®Linerless Rubber Splicing Tape 130C (Figure 10).
Large Lug
Small Lug
Scotch®Linerless Rubber Splicing Tape 130C
Scotch®Linerless Rubber Splicing Tape 130C
Figure 10
7.3 Bolt lugs together. See Table 1 on cover for maximum bolt length. See Figure 11 for proper bolt/lug
arrangement.
Large Lug
Small Lug
Bolt Should Be Inserted Thru
Hole Of Smaller Lug First
Washer
Figure 11
78-8096-4635-5-C 9
7.4 FOR 8 kV ONLY. Cover the lugs and bolt with four half-lapped layers of Scotch®Linerless Rubber Splicing
Tape 130C (Figure 12).
Scotch®Linerless Rubber Splicing Tape 130C
Figure 12
8.0 Installation
8.1 Install Lug Cover (Figure 13).
NOTE: The lug cover must extend over the cable insulation by a minimum of 1". For a one hole lug, it will be
greater than 1".
8.2 Remove liner from mastic sealing strips and apply around and between the cables at a position as close as
possible to the end of the lug cover (Figure 14).
8.3 Overwrap mastic sealant and the end of the Lug Cover with one or two wraps of vinyl tape (Figure 14).
Lug Cover
1" Min.
Figure 13
Lug Cover
Mastic Strips
Scotch® Super 33+™ Vinyl Electrical Tape
Figure 14
10 78-8096-4635-5-C
9.0 Install Cold Shrink Insulator
9.1 Install Cold Shrink Insulator by sliding it over the Lug Cover with the loose core end tab at terminal end. Align
the end of the Cold Shrink Insulator so it covers the vinyl tape on the feeder cable. Remove core by unwinding
counter-clockwise (Figure 15).
TIP: An occasional tug will aid in the removal of the core.
NOTE: When starting to remove core, observe to make sure end of Cold Shrink remains lined up over the vinyl
tape (Figure 15).
Lug Cover
Cold Shrink Insulator
Counter-Clockwise
Figure 15
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