Garage Doors on 20 Amp or 15 Amp


Old 02-13-05, 03:03 PM
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Garage Doors on 20 Amp or 15 Amp

Hello, I have a question about whether our 2 garage door openers should be on a 20 amp breaker or 15 amp breaker.

As of now it is on a 15 amp breaker.

The circuit seems a little overloaded for me, here is what is on the circuit now:

2 garage door openers, 4 electrical sockets, kitchen light, dining room light, and garage light and bathroom light. The sockets on this branch are in the living room and one of the bedrooms, so this branch does not extend to any of the sockets in the bathroom.

In addition, it looks as if someone has used both 12 guage wire and 14 guage wire on this circuit. The wire that goes to the breaker is 14, but then branches out from an electrical box using 12 guage wire to the garage doors and garage light, but not to any of the other lights or sockets in the house.

Any advice would be appreciated.

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Old 02-13-05, 03:17 PM
Join Date: Oct 2004
Location: Orlando, FL
Posts: 132
You can put a garage door opener on a 15 amp circuit. If the breaker is tripping, you could run a new 15 amp circuit to the two garage door openers. You can't upgrade the existing breaker since the circuit has pieces of 14.
Old 02-13-05, 03:31 PM
Join Date: Sep 2000
Location: United States
Posts: 18,497
It is ain't broke, don't fix it. If you are tripping the breaker, run a new circuit for the garage door openers.

The answer to your question is probably immaterial, since you can't change the circuit size anyway.

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