NELSON™ HEAT TRACING SYSTEMS
INSTALLATION
PLT-LP POWER CONNECTION KIT WITHOUT ENCLOSURE INSTRUCTIONS
Description:
The PLT-LP Power Connection Kit without Enclosure is
for use with all versions of Nelson Heat Tracing Systems’
LT, CLT, HLT and NC heater cables. Compatible for use
with any vendor’s heater cables smaller than 11mm
(0.44”) dia. Minimum installation temperature –40°C
(-40°F).
*Power Termination
*Ground Locknut
*Flex
Conduit
*Conduit & Drain
Kit Contents:
1 Conduit Locknut 1 Box Adapter
1 Sealing Grommet 1 Gasket
1 Stand-off 1 Uninsulated Splice Connector
1 Tube of Silicone
*Crimp Connector
Silicone
*Box Cover Gasket
*Junction Box
*Heater Cable
Conduit Locknut
Gasket
Box Adapter
*Label
*Box Cover
Sealing Grommet
J-Grommet - Overjacket Products
B-Grommet - Base Products
U-Grommet - Double Entry, NC, & any other heaters
Stand-off
*Insulated Ground Wire
Uninsulated Splice Connector
CSA - Ordinary Areas Only
For Braided Heater Cables Only:
Connect ground braid to ground wire
using the uninsulated splice connector.
*Heater Cable; braid optional
(see warnings)
*Pipe Clamps
*End Seal
*ITEMS NOT INCLUDED IN KIT
(customer supplied junction box must be approved for this application.)
Note: This detail shows external grounding of braid. For internal grounding of braid
overjacket products, connect to ground inside of junction box.
!
WARNINGS:
Canadian Div. 2 Hazardous installations must use internal ground connection of braid.
Article 427 of the National Electric Code requires that all heaters shall have metal coverings and be
provided with branch circuit ground-fault protection.
If nuisance tripping of ground fault breakers occurs due to condensation in the junction box,
electrical connections should be moisture proofed by use of a coating or sealant.
P.O. BOX 726 TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-1888 R4
Sheet 1 of 2
January 2010
NELSON™ HEAT TRACING SYSTEMS
INSTALLATION
PLT-LP POWER CONNECTION KIT WITHOUT ENCLOSURE INSTRUCTIONS
STAND-OFF POSITIONING
Section View A A
(recommend installing at the
4 or 8 o'clock positions.)
!
WARNING:
Do not place pipe clamps
over the heater cable.
8 o'clock
4 o'clock
*Pipe Clamps
Stand-off
Sealing Grommet
Box Adapter
*Power Termination
*Fiberglass Tape
254mm (10")
Stand-off
A
A
*Fiberglass Tape
*ITEMS NOT INCLUDED IN KIT
1. Mark pipe where stand-off will be mounted.
2. For External Braid Connection - CB Products only:
Remove braid from heater cables, back to the point the cables leave the pipe.
Proceed to step 3 below.
For Internal Braid Connection - CB, J or JT Products:
Proceed to step 3 below.
3. Push heater cable through the bottom opening of stand-off.
4. Place stand-off on the pipe and fasten with pipe clamps (not included in kit).
5. Slide the sealing grommet over the heater cable and position inside stand-off opening.
6. Apply silicone around the heater cable on top of the sealing grommet and fill any voids in sealing
grommet.
7. Slide the box adapter over the heater cable and tighten securely to stand-off.
8. Prepare heater cable for power termination using an approved termination kit.
Nelson Heat Tracing Systems products are supplied with a limited warranty. Complete Terms and Conditions may be found on Nelson's
website at www.nelsonheaters.com
.
P.O. BOX 726 TULSA, OK 74101 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-1888 R4
Sheet 2 of 2
January 2010
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