Maintenance, Repair & Operations

One of the main changes to Sec. 110.16 was renaming it from arc flash hazard “marking” instead of “warning,” illustrated by this warning label.
Part 1 of this series addresses significant updates to arc flash hazard marking requirements found in the 2026 NEC Sec. 110.16 to improve the safety of all electrical professionals...
Feb. 13, 2026
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national electrical code
Feb. 3, 2026

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