📕 Code Corner

NEC updates by cycle, state adoption news, and plain-language breakdowns of code changes that affect your work.

10 guides

AFCI Requirements Room by Room: What NEC 210.12 Actually Says

A room-by-room breakdown of where AFCI protection is actually required under NEC 210.12, including the areas electricians commonly get wrong. Covers combination AFCI breakers, the outlet vs. circuit distinction, and how local amendments can shift the picture.

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Outdoor Receptacle Requirements: GFCI, Weatherproof Covers, and Height

A field guide to what NEC actually requires for exterior receptacles — GFCI protection, in-use weatherproof covers, and placement height — plus the mistakes that fail inspection most often. Written for working electricians pulling permits on decks, patios, and exterior remodels.

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Bathroom Electrical Code: Receptacles, Fans, and Clearances

A journeyman's breakdown of NEC bathroom requirements — GFCI receptacles, dedicated circuits, placement near the sink, and the luminaire clearance rules around tubs and showers that catch even experienced electricians. Written for pros pulling bathroom remodel permits.

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Service Entrance Clearances: The Numbers Inspectors Check First

The exact clearance numbers NEC requires around service entrances — overhead conductor height, working space, and clearance from windows and doors — laid out the way an inspector actually checks them on a rough-in walk. Written for working electricians pulling service upgrades.

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10 Common Residential Code Violations (and How to Avoid Them)

Most residential code violations aren't exotic — they're the same handful of mistakes inspectors flag over and over. Here are ten of the most common, why they matter, and how to get them right. Always defer to the current NEC and local amendments.

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Why Torque Specs Matter (NEC 110.14 and Loose Connections)

"Gutentight" has started more fires than any tool in the bag. Loose and over-torqued connections are a leading cause of electrical failures, and the code now says so out loud. Here's why a torque screwdriver belongs in your pouch.

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Grounding vs. Bonding: The Difference Every Electrician Should Nail

They get used interchangeably on the job, and that sloppiness hides a real conceptual gap. Grounding and bonding do two different jobs — here's the clear mental model that makes the code sections finally click.

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Working Space Clearances (110.26): The Rule Inspectors Never Skip

Three feet deep, thirty inches wide, six-foot-six headroom, and nothing stored in it — the working-space rule exists because people die working live equipment in cramped corners. Here's the geometry, the conditions, and the classic fails.

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Kitchen Receptacle Rules: The Complete Field Rundown

Kitchens carry more receptacle code per square foot than anywhere in a dwelling — two small-appliance circuits, the 2-and-4 foot spacing, GFCI everything, and the island question. Here's the whole picture in field terms.

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NEC 2023: The Residential Changes That Actually Affect Your Work

Every cycle moves the goalposts. Here are the 2023 changes a residential electrician actually meets — GFCI expansion, kitchen receptacle rules, outdoor emergency disconnects, surge protection, and the EV provisions — in field terms.

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