TL;DR
The National Electrical Code is NFPA 70, the model standard for safe electrical installation adopted in some edition by every US state, covering everything from conductor sizing and grounding to swimming pools, solar, and EV charging. It is revised every three years, and which edition a state enforces determines requirements like AFCI coverage, emergency disconnects, and surge protection on new services.
What it means
The National Electrical Code is NFPA 70, the model standard for safe electrical installation adopted in some edition by every US state, covering everything from conductor sizing and grounding to swimming pools, solar, and EV charging. It is revised every three years, and which edition a state enforces determines requirements like AFCI coverage, emergency disconnects, and surge protection on new services. Permits, inspections, and electrician licensing exams are all built around it.
Where it sits in the glossary
National Electrical Code is part of the Certifications group inside the ProFix Directory glossary. Browse every term in this category from the glossary index.
Why Ohio homeowners should know it
This is a term Ohio homeowners encounter when reading contractor quotes, hiring paperwork, or inspection reports. Understanding it well enough to ask one good follow-up question is usually all the protection a homeowner needs.
ProFix Directory keeps definitions short on the index page and saves the longer context — Ohio-specific rules, where the term comes from, and which ProFix tools touch it — for these per-term pages so the term is easy to cite and easy to share.
ProFix tools that touch this term
See also
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