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Bonding
Bonding is connecting metal parts together so they stay at the same electrical potential.
Why it matters
Bonding helps ensure fault current has a reliable path back to trip a breaker instead of energizing metal parts.
Where people get this wrong
Bonding is not grounding. They work together but do different jobs. Bonding mistakes can show up as tingles or mysterious trips.
Real-world example
A homeowner touches a metal faucet and a metal appliance and feels a small buzz. That is the kind of weird, scary symptom bonding is meant to prevent.
Where this hits your build
This matters during rough-in and before drywall. Once walls close, adding or moving wiring becomes expensive. Plan ahead.
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