EMERSON Instruction Sheet GA-2438, EXTC125 Tee Splice Connection Kit
Summary
Designed for professionals, this connection kit provides a robust IP66/NEMA 4X solution to connect three heater cables in a tee splice configuration. The EXTC125 Kit allows users to join different wattages or extend self-regulating heating cable systems. This manual offers comprehensive, step-by-step instructions covering proper power termination installation, standoff positioning, and detailed wire preparation for multiple standard cable types.
Page 1 Text Content
NELSON
INSTALLATION
EXTC125 TEE SPLICE CONNECTION KIT INSTRUCTIONS
DESCRIPTION The EXTC125 Tee Splice Connection Kit is designed to connect three heater cables in a tee splice configuration. This kit is designed for use with all wattages of CLT- J(ordinary locations), CLT-JT(ordinary locations), LT-J, LT- JT, UT-1, QLT-J, HLT-J and XLT-J heating cable constructions. The EXTC125 is rated IP66/NEMA 4X. The EXTC125 connection kit may be used to connect multiple heater segments, connect different wattage cables together or to provide access to serviceable equipment.
These instructions are to be used together with the installation and maintenance instructions for self-regulating heater cable (GA-1765).
KIT CONTENTS QTY ITEM DESCRIPTION
1 1 ENCLOSURE WITH TERMINAL BLOCKS 3 2 POWER TERMINATION 2 3 END TERMINATION 1 4 SILICONE ADHESIVE 1 5 ENCLOSURE ADAPTER 1 6 STANDOFF 1 7 LOCKNUT 3 8 GREEN/YELLOW TUBE
1 9 CABLE CLAMP 1 10 CABLE TIE (not shown) 6 11 GUIDE TUBES (not shown) 1 12 PRODUCT LABEL (not shown)
INSTALLATION ACCESSORIES Pipe Clamp – PC03, PC12 or PC20 (included) Fiberglass Tape – GT6 or GT60
OPTIONAL INSTALLATION MATERIAL HC-SPA Small Pipe Adapter – For 25 mm (1.0”) diameter pipe and below.
RECOMMENDED TOOLS Utility Knife Wire Cutters Adjustable Wrench (52mm [2.1”] size) Needle Nose Pliers Small Flat Blade Screwdriver Large Slotted Screwdriver
TULSA, OK 74146 TEL 918-627-5530 FAX 918-641-7336 www.nelsonheaters.com
GA-2438 Rev. 4 Sheet 1 of 9 January 2017
Page Summary Contents For EMERSON Instruction Sheet GA-2438, EXTC125 Tee Splice Connection Kit
Manual Details
| Brand | Emerson |
|---|---|
| Pages | 9 |
| File Size | 732.41 KB |
| Published | June 03, 2026 |
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Frequently Asked Questions
What is the IP/NEMA rating of the EXTC125 connection kit?
The EXTC125 kit is rated IP66/NEMA 4X.
Can this kit connect various types or wattages of heating cable?
Yes, it can connect multiple heater segments, different wattage cables together, and supports several specified cable constructions.
What are the warnings regarding heating cable preparation?
Do not cut or nick bus wires, and be careful to avoid cutting the braid during the preparation process.