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Identifying and Labeling Home Electrical Circuits


By Dave Rongey - Summary:

On my house main electrical panel circuit breaker switches, what does A/H master mean?

Labeling Home Electrical Panels and Circuits
Background: Vince, a Homeowner from Bradenton, Florida

Question: On my house main panel circuit breaker switches, what does A/H master mean? I thought it meant air handler.
But I already have A/C master on another circuit breaker switch, which means air conditioner to me.
I am remarking my panels because the original writing is fading.

Dave’s Reply:
Thanks for your electrical question Vince.
Vince, the A/H designation should indicate Air Handler, just as you mentioned.

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