TL;DR
The grounding electrode conductor is the wire that ties a building's electrical service neutral and ground bus to the grounding electrode system: ground rods, a concrete-encased Ufer electrode, or metal water pipe. NEC Table 250.66 sizes it from the service conductors, commonly #6 copper for rods and larger for other electrodes, and it must run unspliced or use listed irreversible connections.
What it means
The grounding electrode conductor is the wire that ties a building's electrical service neutral and ground bus to the grounding electrode system: ground rods, a concrete-encased Ufer electrode, or metal water pipe. NEC Table 250.66 sizes it from the service conductors, commonly #6 copper for rods and larger for other electrodes, and it must run unspliced or use listed irreversible connections. Inspectors trace it from the panel to the clamp, checking protection where it is exposed to damage.
Where it sits in the glossary
Grounding electrode conductor is part of the Trade jargon 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
License: CC-BY-4.0 — quote freely with attribution to ProFix Editorial Team / ProFix Directory.