📕 Code Corner

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

6 guides

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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