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• Crimp heating cable conductors together and use only the specified crimp tool, die and splices to ensure a proper electrical
connection (see table). Improperly crimped connection can result in overheating.
• Smooth down any sharp wires after crimping to prevent wires from poking through tape strips in Step 17.
Heating
cable con-
(1)
Heating cable
ductor size
2 and 3SC30-CT
18 AWG
2 and 3SC40-CT
16 AWG
2 and 3SC50-CT
14 AWG
(1)
The above table is also applicable for 2 and 3SC/H30, 40, 50 (-CT) and 2 and 3SC/F30,
40, 50 (-CR) heating cables. For additional splices, call nVent at (800) 545-6258.
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• Crimp braid wires together using the appropriate splice and Thomas & Betts crimp tool.
Thomas & Betts (T&B) Splice
Splice
(1)
Heating cable
catalog no.
2SC30-CT
C10-PS-D
2SC40 and 50-CT
54610
3SC30, 40 and 50-CT 54610
(1)
The above table is also applicable for 2 and 3SC/H30, 40, 50 (-CT) and 2 and 3SC/F30, 40,
50 (-CR) heating cables. For additional splices, call nVent at (800) 545-6258.
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WARNING: Fire and Health Hazard. Soldering tools or minitorches can cause fire or explosion in
hazardous areas. Be sure there are no flammable materials or vapors in the area before using these
tools. Follow all site safety guidelines when working in hazardous areas.
Refer to solder material safety data sheet packaged with kit.
Do not overheat or char the conductor insulation. Inhalation of fumes can cause polymer fume
fever, flu-like symptoms, irritation, and difficulty breathing.
Do not direct torch flame toward conductor insulation, cold lead insulation, or enclosure. Damage to
insulation or enclosure can lead to shorting or moisture ingress.
• Use only solder provided with the kit. Only Kester 48 core LF has been qualified for use with
SC cables.
• Heat each splice using a soldering tool, or propane or MAPP gas torch. Note: MAPP gas may be
required if the connections are being soldered at temperatures below –4°F (–20°C). Heat the center
of the splice until it is hot enough to melt the solder placed at both ends. Allow the splices to cool
for several minutes before proceeding to the next step of wrapping the connection with tape.
Thomas & Betts (T&B) Splice
Splice
Crimp tool
catalog no. Splice color
catalog no.
B14-PS-M
Silver (small) WT2000
B14-PS-M
Silver (small) WT2000
C10-PS-D
Silver (large) WT2000
Crimp tool
Splice color
catalog no.
Silver (large)
WT2000
Blue
TBM5S
Blue
TBM5S
Crimp tool
die
Non-Insul
Non-Insul
Non-Insul
Trim off
sharp edges
after crimping
Crimp tool
die
Non-Insul
Blue
Blue
3SC heating
cable shown.
Heating
cable "A"
Trim off
sharp edges
after crimping
3SC heating
cable shown.
Heating
cable "B"
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