14 Gauge Light on 20 amp circuit

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Old 02-25-19, 07:26 PM
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14 Gauge Light on 20 amp circuit

So contractor is wrapping up a master bath remodel. I have been peaking in there and saw a seperate 14 g wire clearly labeled lights... i thought temp for power while remodeling.

walls are now closed, wrapping up etc and that 14 g is still connected to 4 led lights. Switch being fed by 12g wire.

I know LEDs draw pretty close to nothing but just wanted confirmation this is ok. 12g feeds the heat lamp in the ceiling. The LEDs would never draw even close to overheat 14g but they are connected....

thoughts?
 
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Old 02-25-19, 07:30 PM
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It is wrong. What did the inspector say?
 
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Old 02-25-19, 07:41 PM
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Regardless of what the leds draw, unless the circuit is protected by a 15 amp breaker it is wrong.
 
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Old 02-25-19, 07:47 PM
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Yea i will check the breaker to see if 15 ir 20 amp. Maybe he used i.e. cause of the heat lamp to be safe and it's on 15 amps. I will check. Had a feeling it was wrong
 
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Old 02-26-19, 05:45 AM
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The key is the breaker size. There is nothing technically wrong code wise with having 14ga wire in the circuit as long as it's 15 amp. Maybe the electrician didn't have enough 12ga on hand and used the 14ga he had. If it is a 20 amp circuit then all the wiring must be 12ga.
 
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Old 02-26-19, 09:46 AM
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You might have also run into a catch 22. After downgrading that circuit to 15 amps you might no longer have a 20 amp circuit for the bathroom.

It would satisfy code to add a 20 amp circuit with a home run to one new duplex receptacle in the bathroom.
 
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Old 03-01-19, 03:40 PM
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Thanks all, spoke to contractor who said it is the other way around, he has the power coming appropriately but uses the 12 g on the heat lamp just for extra protection
 
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Old 03-01-19, 07:04 PM
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uses the 12 g on the heat lamp just for extra protection
Using 12 g doesn't make it any safer than using 14 g if the breaker is 15A.
Using larger gauge will help with voltage drop for a long run, but I doubt your run is that long.
 
 

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