TL;DR
A bonding jumper is the short conductor or strap installed to electrically connect two metal parts that must stay at the same potential, ensuring fault current has a continuous low-impedance path back to the source so breakers trip. The main one at the service ties the neutral bar to the enclosure and grounding system, a connection made at that one point only; others bridge water meters, expansion fittings, interrupted raceways, and pool equipment.
What it means
A bonding jumper is the short conductor or strap installed to electrically connect two metal parts that must stay at the same potential, ensuring fault current has a continuous low-impedance path back to the source so breakers trip. The main one at the service ties the neutral bar to the enclosure and grounding system, a connection made at that one point only; others bridge water meters, expansion fittings, interrupted raceways, and pool equipment. Sizing follows NEC 250.102 based on the circuit's conductors. Corroded or removed straps around a replaced water meter are a classic inspection catch in older homes.
Where it sits in the glossary
Bonding jumper is part of the Legal 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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