LVGThe 2026 NEC is out, and the biggest headline for our trade is terminology: 'limited energy' now covers what the industry has called low voltage for decades.
What actually changed
Class 2 and Class 3 circuit definitions carry forward, but fault-managed power (Class 4) gets expanded treatment — a direct response to the data center and PoE lighting boom.
What's just a rename
Your licenses, your permits, and your scopes of work don't change overnight. States adopt the NEC on their own schedules, and most AHJs will keep speaking 'low voltage' for years.
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