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NFPA 70 (NEC) — National Electrical Code

Updated Mar 26, 2026
The comprehensive standard for electrical installation in the United States. Covers wiring, equipment, and installations for all voltages. Published triennially (2023 current). Adopted by reference in IBC Chapter 27.
TAGS
NFPANECelectricalwiringnational
DETAILS
number
70-2023
category
Electrical
standard body
NFPA
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