Question: Is Using 12/2 Wire, Ok On 15amp Breaker/outlets? - Electrical - DIY Chatroom Home Improvement Forum

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Old 07-14-2008, 01:02 AM   #1
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Question: Is using 12/2 wire, ok on 15amp breaker/outlets?

Question: Is using 12/2 wire, ok on 15amp breaker/outlets/switches?

i will NOT use any 20amp outlets or breakers, everything will remain 15amp..

i know the proper is 14/2, i just got a huge discount on some overstock 12/2 ro-mex wire..[ $100 for 500feet i can almost re-do my entire house with this, lol]

i know i've seen this question asked several times before, but i just wanted to make sure it was ok...


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Old 07-14-2008, 03:41 AM   #2
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Yep you will have no issue with 15 amp breaker with #12 wires like you have on the photo but IMO you can use 20 amp breaker anyway as long the rest of circuit is wired with #12's almost all the receptales are rated for 20 amp anyway ditto with good qualty switch.

With 15 amp you can load up much as 1800 watts while 20 amp circuit you can load much as 2400 watts { at 120 volts }



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Old 07-14-2008, 05:28 AM   #3
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I agree, if your going to use the 12 AWG, might as well use 20amp breakers as well.
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Old 07-14-2008, 07:41 AM   #4
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No problem with #12 wire and a 15 amp breaker. If you want 15 amp breakers you'll be fine, and you have the added flexibility to be able to install 20 amp breakers if you want to because your wire can handle it.
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