14g Wire On 20 Amp Circuit - Electrical - DIY Chatroom Home Improvement Forum

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Old 12-01-2010, 08:35 PM   #1
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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.


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Old 12-01-2010, 08:41 PM   #2
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Yes it should be changed or breaker changed to 15.


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Old 12-01-2010, 08:54 PM   #3
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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.
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Old 12-02-2010, 07:47 PM   #4
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Change breaker to 15A
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