PACK – Electrical Nonmetallic Tubing (ENT), Raceways & Conduit
Systems, Flexible Pliable Conduit Installation, NEC Article 362
Compliance, Chapter 3 Wiring Methods, Raceway Fill Calculations,
Conductors & Cable Cross-Sectional Area, Fire-Resistant Wiring
Materials, Moisture & Chemical Resistance Requirements, Flame
Retardant Materials, Plenum Restrictions, Building Code Floor
Limitations, Exposed Installation Rules, Slab & Concrete Encased
Installations, Stub-Up & Formwork Techniques, PVC Solvent Cement
Compatibility, Fittings & Couplings Standards, Nail & Screw
Protection Requirements (NEC 300.4), Wiring Protection Methods,
Electrical Safety Practices, Conduit Bending Properties, Installation
in Masonry Block Walls, Residential & Commercial Wiring
Applications, Electrical System Layout Design, Raceway
Identification Exam Questions Verified and Provided with Complete
A+ Graded Answers Latest Updated 2026
Electrical nonmetallic tubing is defined in the NEC as a nonmetallic, pliable, corrugated
raceway of circular cross-section with integral or associated couplings, connectors, and fittings
for the installation of electrical conductors. ENT is composed of a material that is resistant to
moisture and chemical atmospheres and is flame retardant.
a. True
NEC Ref: 362.2
A pliable Type ENT raceway is a raceway that can be bent by hand, without the use of any
tools.
True
, ENT is permitted to be installed exposed in buildings not exceeding three floors where not
prohibited by Section 362.12.
True
ENT is permitted to be installed in buildings exceeding three floors ? .
e. both a. and b.
ENT is permitted to be used in all plenum applications.
False
ENT is permitted to be used in which of the following applications?
e. All of the above
ENT is not permitted to be used in which of the following applications?
d. All of the above
ENT that is likely to be penetrated by nails or screws in metal framing members shall generally
be protected by a(n) ? .
d. any of the above