How to use a circuit breaker finder to understand your home's wiring (and why it matters so much)

I almost paid for new wiring - until this Klein tool showed me the power was already there.

Jun 30, 2025 1

How to use a circuit breaker finder to understand your home's wiring (and why it matters so much)
I almost paid for new wiring - until this Klein tool showed me the power was already there.
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