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Set Screw Plug
Junction Bus
RAB 45 C representation only.
1 of 2
INSTALLATION INSTRUCTIONS
Submersible Set Screw Junction
For RAB 500 series
Homac
®
WARNING: Risk of shock, disconnect
power before installation
CAUTION: Product must be installed by a
qualified electrician in accordance with
national and local electrical codes.
CAUTION: Failure to follow these
instructions may result in damage to the
product and serious or fatal injury.
All apparatus must be de-energized during
installation or removal of part(s).
Do not touch or move energized products.
Excess distortion of the assembled product
may result in its failure.
For more information on parts, installation
ratings and compatibility, call the nearest
ABB Installation Products Inc. office.
Contents:
• RAB
• Lubricant
• Instruction sheet
IMPORTANT:
1. Check contents of package to ensure they are complete and
undamaged.
2. Check all components to ensure proper fit with cable and/or
mating products.
3. Read entire installation instructions before starting.
4. Have all required tools at hand and maintain cleanliness
throughout the procedure.
IMPORTANT
Read and understand all instructions and
safety information before use. Be aware
of proper usage and potential hazards.
Instructions:
1. Remove conductor cable seal sleeve from bus as shown.
Set Screw Access Port
Cable Seal Sleeve
Cap Plug
Cable Entrance Port
Figure 1
2. Select and cut off the correct ring at tip of arrow on the sleeve
per the following instructions: Cut sleeve straight across the
end of the ring that is to be used. Use the conductor port
without sleeve for wire sizes from 400-500 kcmil.
.47-.58
1 2/0
.36-.46
4 2
.15-.35
Cut here for 250 to 350MCM conductor or 0.73” to 0.90” insulation diameters.
Cut here for 3/0 to 4/0 conductor or 0.59” to 0.72” insulation diameters.
Cut here for #1 to 2/0 conductor or 0.47” to 0.58” insulation diameters.
Cut here for #4 to #2 conductor or 0.36” to 0.46” insulation diameters.
Cut here for #12 to #6 conductor or 0.15” to 0.35” insulation diameters.
Figure 2
.73-.90
250 350
.59-.72
4/0
3/0
6
12
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3. Wipe the end of the conductor insulation clean and apply
silicone lubricant to the conductor insulation.
4. Slide the collar end of the sleeve on to the cable so that 4" of
the insulation is showing.
5. Strip insulation from conductor. Use a strip length of 1" as
imprinted on the bus cover.
6. Wire brush the conductor to break up oxides on the
conductor surface.
7. Back set screw out to allow the necessary clearance for the
conductor.
8. Install conductor into conductor port of the bus until
conductor hits the bottom of the port. When the conductor
has bottomed out, the sleeve tip should be even with the end
of the port. This indicates full cable insertion.
9. Torque set screws to:
Conductor size - AWG/MCM Set screw torque
Copper or aluminum Inch pounds
#12 - 1/0 110 - 120
2/0 - 4/0 200 - 250
250 - 350 300 - 400
400 - 500 360 - 500
Note: Product must be installed in accordance with applicable national and local
electrical codes.
10. Install set screw plug.
11. Apply silicone lubricant to the outside of the sleeve on the
ring marked 3/0-4/0. If 3/0-4/0 ring has been removed,
apply silicone lubricant to the 250-350 ring.
12. Slide sleeve into the port so that the sleeve collar is flush
against the end of the port.
13. Repeat for each conductor port.
Warranty: tnb.abb.com/ecpwarranty
—
ABB Ins tallation Produc ts Inc .
Memphis, Tennessee
tnb.abb.com
USA
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chang es or modify th e content s of this
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particulars shall prevail. ABB Installation
Products Inc. (For merly T homas & Bett s
Corp.) does not accept any responsibility
whatso ever for potent ial errors or p ossible
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– in whol e or in part – is forbidden w ithout
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Products Inc. Copy right© 2019 ABB
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reserved.
Submersible set screw junction | Installation Instructions | 0051968 C | 223_R3
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