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ENT Specifications

GUIDE SPECIFICATION FOR ENT

• Electrical Nonmetallic Tubing (ENT) is designed to replace

EMT, flexible metal conduit or other raceway systems in

accordance with Article 362 of the National Electrical

Code, other applicable sections of the Code and local

codes.

• Any ENT used shall be listed to the requirements of UL

1653 and meets NEMA TC-13.

• ENT shall be recognized by The National Evaluation

Service, Inc. for use in fire resistive construction.

• Penetration of fire rated walls, floors or ceilings shall use

classified Through-Penetration Firestop Systems described

in the current Underwriters Laboratories Fire Resistance

Directory.

• Fittings and outlet boxes shall be designed for use with

ENT and listed by Underwriters Laboratories. All fittings,

boxes and accessories shall be manufactured by CARLON.

• Only CARLON ENT Blue cement recommended specifically

for use with ENT and PVC Schedule 40 fittings shall be used.

• Unless indicated differently on drawings, ENT systems

shall be color coded: BLUE,YELLOW, or RED. ENT can be

used for identifications.

FEATURES

• UL Listed, Trade Sizes (

2" to 2")

• UL recognizes the use of PVC Schedule 40 cement type

fittings with all sizes of ENT

• ENT ambient temperature range -4˚F (installation to 122˚F)

• ENT rated for 90˚C conductors

• One piece ENT Coupling, Threaded Terminator and

Schedule 40 Transition Fitting are rated concrete tight

without tape by UL Recognized in current NEC ref. Article

362

• Recognized for use in 2-hour fire resistive nonload bearing

and load bearing wall assemblies per NER-290 and ER-

5644