Specification

Thomas and Betts Corporation
Product Guide Specification
ELECTRICAL NONMETALLIC TUBING (ENT)
26 05 33.03-2
REVISION 0
B. Furnished ENT, fittings and boxes are listed and/or certified by third party agencies as suitable for the
intended purpose.
1.05 WARRANTY
A. Product is warranted free of defects in material and workmanship.
B. Product is warranted to perform the intended function within design limits.
PART 2 – PRODUCTS
2.01 GENERAL
A. ENT shall be UL Listed and CSA Certified.
B. Fitting and boxes shall be UL, cULus Listed and/or CSA Certified.
2.02 MANUFACTURERS
A. Acceptable Manufacturers:
Thomas & Betts Corporation
8155 T&B Blvd
Memphis, TN 38125
800-816-7809, 901-252-5000
www.tnb.com
Product: Carlon® ENT
2.03 DESIGN AND PERFORMANCE REQUIREMENTS
A. ENT Raceway
1. ENT Raceway shall be available blue, red, or yellow polyvinyl chloride (PVC) BLUE for
branch wiring, YELLOW for communications, and RED for fire or emergency systems.
2. ENT Raceway shall be available in trade sizes 1/2” through 2”.
3. ENT Raceway shall be easily cut to length using shear type cutters.
4. ENT Raceway shall be hand bendable, corrugated of circular cross section. No special tools
needed for bending.
5. ENT Raceway, Fittings, Boxes and Accessories shall not rust.
6. ENT shall provide protection for power wiring and communication conductors.
7. ENT shall have an ambient temperature range -4º F to 122º F.
8. ENT shall meet requirements of NEC for Electrical Nonmetallic Tubing.
9. Single manufacture shall provide ENT, Fittings, Boxes and Accessories to form a complete
integrated raceway system.
10. ENT shall be listed to the requirements of UL Standard UL 1653 in accordance with Article
362 of the NEC and Section 12-1500 of the CEC.
11. ENT shall meet the requirements of BI National Standard CAN/CSA-C22.2 No. 227.1 -
UL1653 and shall be Listed/Certified in accordance to the Electrical Codes.
12. ENT Raceway shall be recognized by CABO (The Council of American Building Officials)
National Evaluation Report for use in 2-hour fire rated construction.
13. ENT Raceway shall be recognized for use in 2-hour fire resistive nonload bearing and load
bearing wall assemblies.
14. ENT Raceway shall be recognized for use in 1-hour fire resistive nonload bearing wall
assemblies.
15. ENT Raceway shall be recognized for use in a fire resistive ceiling assembly (up to 3 hours).