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NELSON
HEAT TRACING SYSTEMS
™
PLT-BC
STANDARD POWER CONNECTION KIT
DESCRIPTION
The PLT-BC Standard Power Connection Kit 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") diameter.
Power Termination
*Ground Locknut
*Flex
*Conduit & Drain
Conduit
*ITEMS NOT INCLUDED IN KIT
Note: This detail shows Braided "CB" Product only. For Overjacket "J" or "JT" Products, see
diagram on sheet 8.
!
WARNINGS:
• 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
Terminal Block
Junction Box
*Heater Cable
Conduit Locknut
Gasket
Box Adapter
**Sealing Grommet
Stand-off
*Heater Cable
**Sealing Grommets
J-Grommet - Overjacket Products
B-Grommet - Base Products
U-Grommet - Double Entry or non-standard construction
Pipe Clamps
(For dual connections 1 additional power termination
and end seal will be included in kit.)
TEL 918-627-5530
FAX 918-641-7336
KIT CONTENTS
1 Junction Box
1 Label
1 Terminal Block
1 Conduit Locknut
1 Sealing Grommet
1 Stand-off
1 Uninsulated Splice Connector
Silicone
Box Cover Gasket
Box Cover
Label
End Seal
(see warnings below)
www.nelsonheaters.com
INSTALLATION
INSTRUCTIONS
1 Power Termination
1 Box Adapter
1 Gasket
1 Tube of Silicone
1 End Seal
2 Pipe Clamps
GA-1859 Rev. 6
Sheet 1 of 8
October 2006
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Table of Contents
Summary of Contents for Nelson PLT-BC
- Page 1 PLT-BC STANDARD POWER CONNECTION KIT INSTRUCTIONS DESCRIPTION KIT CONTENTS The PLT-BC Standard Power Connection Kit is for use with all 1 Junction Box 1 Power Termination 1 Label 1 Box Adapter versions of Nelson Heat Tracing Systems’ LT, CLT, HLT and...
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Page 2: Stand-Off Positioning
NELSON HEAT TRACING SYSTEMS ™ INSTALLATION PLT-BC STANDARD POWER CONNECTION KIT 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 254mm (10") -
Page 3: Sealing Grommet Installation For Braided "Cb" Products
NELSON HEAT TRACING SYSTEMS ™ INSTALLATION PLT-BC STANDARD POWER CONNECTION KIT INSTRUCTIONS SEALING GROMMET INSTALLATION FOR BRAIDED “CB” PRODUCTS 13mm (.5") Slide braid back over heater cable and twist excess Slide braid back, allowing at least 13mm (.5”) of braid into a pigtail. -
Page 4: Overjacket Products
NELSON HEAT TRACING SYSTEMS ™ INSTALLATION PLT-BC STANDARD POWER CONNECTION KIT INSTRUCTIONS OVERJACKET PRODUCTS WARNING: DO NOT CUT BRAID 127mm (5") At the bulge, separate the braid to make an opening. Lightly cut around heater overjacket 127mm (5") from the end. Bend cable to break overjacket. - Page 5 INSTALLATION PLT-BC STANDARD POWER CONNECTION KIT INSTRUCTIONS FOR ALL NELSON LT, CLT & HLT PRODUCTS (See sheet 6 for an alternate stripping method for HLT products.) 102mm (4") Lightly cut around cable outer jacket 102mm (4") Starting at the end, pull each bus wire away from from the end.
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Page 6: Hlt Products Alternate Stripping Method
NELSON HEAT TRACING SYSTEMS ™ INSTALLATION PLT-BC STANDARD POWER CONNECTION KIT INSTRUCTIONS HLT PRODUCTS ALTERNATE STRIPPING METHOD 102mm (4") Lightly cut around cable outer jacket 102mm (4") Starting at the end, in the same plane as the cable, from the end. Bend cable to break outer jacket. -
Page 7: Power Termination
NELSON HEAT TRACING SYSTEMS ™ INSTALLATION PLT-BC STANDARD POWER CONNECTION KIT INSTRUCTIONS POWER TERMINATION WARNING: • Bus wires must not touch or cross while inserting into power termination. 13mm (.5") • Only power terminations / end seals specifically approved for the vendor’s style and type of heater cable must be used. -
Page 8: Power Connection
Place the box cover and box cover gasket onto the junction box. Fill-in the voltage, catalog number & wattage blocks on the label with the actual field installed data. 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.