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dukes32 12-01-2010 09:35 PM

14g Wire on 20 amp circuit
I am installing motion light outside my garage this weekend. When I went to check the current wiring out in the garage, I noticed that the individual who I bought the house from had the garage door opener running from a receptacle w/14g wire...this is on a 20 amp circuit. I am about a year into my first house and slowly becoming a DIYer...but this just doesn't seem right. Is it safe to assume that I should change that 14g wire to 12g? The only pieces drawing power from this circuit currently are the garage door opener and a light.

Red Squirrel 12-01-2010 09:41 PM

Yes it should be changed or breaker changed to 15.

oleguy74 12-01-2010 09:54 PM

if the recp where the power comes from to lite and door opener is #12,cahnge the 14ga to #12 if you can.other wise you will need a 15 amp breaker on that ckt.

Rob's Electric 12-02-2010 08:47 PM

Change breaker to 15A

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