FAQ

4
Education
Vertical Market Legend
Commercial &
Industrial
Entertainment
Global
(Applies to
all applications)
Vertical market icons appear to help identify and categorize
specific code changes
Scope, Purpose and Cautions
This Guide was developed to illustrate the primary changes to
the 2023 NEC when compared to the 2020 NEC
®
. This enables
electrical and low-voltage professionals to keep informed and
stay in Code compliance from one Code cycle to the next.
Articles covered primarily relate to Wiring Devices,
Over-Current Protection and Communications Systems with
limited discussion of Raceways, Wires, Luminaries, Emerging
Markets and other mainstream requirements.
Note: Leviton Manufacturing Company assumes no responsibility for
interpretation or application of this publication and its contents.
Healthcare
Residential
Institutional
Recreational
Hospitality
Text Legend
Category Color/Style
Summary of Change Standard black text
Actual NEC
®
Text from NFPA 70 Serif-style font within
green box
Expert Analysis Standard black text
New NEC
®
Text for 2023 Shaded serif-style font
within green box
Previous 2020 NEC
®
Text Crossed-out text
Removed for 2023
Leviton Commentary Insights from Leviton
Manufacturing are in
green text
Leviton Solutions Leviton solutions which
address applicable code
articles are in blue text
Agricultural