FAQ

81
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
®
, Copyright 2022,
National Fire Protection Association, Quincy, MA. All rights reserved.
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