FAQ

Expert Analysis

A new subsection has been added to address the

requirements pertaining to ceiling-suspended (paddle)

fans located in bathrooms and shower spaces.

Material taken from the National Electric Code

is reprinted with permission

from NFPA 70

, 2023 edition. National Electrical Code

NEC

Text

New

424.48 Requirements for Heating

Cables in Walls

Change Summary

• It seems that heating cables are now being

installed in walls, so the NEC is addressing it with

new requirements.

Article 424 Fixed Electric Space-Heating Equipment

424.48 Installation of Cables in Walls. Unless prohibited

by 424.38(B), heating cables and cable sets shall be

permitted to be installed in, on, or behind walls provided all

of the following are met:

(1) Heating cables and cable sets shall be identied as

suitable for installation in, on, or behind walls.

(2) Heating cables and cable sets shall be GFCI protected.

(3) Grounding means, such as copper braid, metal sheath, or

other approved means, shall be provided.

(4) Heating cables and cable sets shall be AFCI protected.

(5) Heating cables and cable sets shall be permitted to be

installed no more than 1.2 m (4 ft) above the oor.

This requirement shall become effective January 1, 2026.

Expert Analysis

A new section has been added to address the

requirements for installation of heating cables in,

continued on page 82