TL;DR
A main lug panel is a breaker panel without its own main disconnect: the feeder conductors land directly on lugs, and overcurrent protection comes from a breaker upstream. It is the standard choice for subpanels in garages, additions, and detached shops, sized so the upstream breaker matches the feeder ampacity.
What it means
A main lug panel is a breaker panel without its own main disconnect: the feeder conductors land directly on lugs, and overcurrent protection comes from a breaker upstream. It is the standard choice for subpanels in garages, additions, and detached shops, sized so the upstream breaker matches the feeder ampacity. When used as service equipment it requires a separate disconnect ahead of it, which is one of the details inspectors verify.
Where it sits in the glossary
Main lug panel 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
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