DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Electrical and Wiring > number of can lights for a 20 amp breaker




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Old 10-15-2010, 01:11 PM  
speedy petey
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Originally Posted by fasteddie View Post
Aren't normal canned lights wired with #14 wire? Can these be used in a 20 amp circuit?
In the US, recessed lighting can be wired with #14 on a 15A circuit or #12 on a 20A circuit. It does not matter.


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Old 10-17-2010, 06:50 PM  
fasteddie
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I think I asked the question wrong. I plan to wire a room with #12 wire everywhere and feed the canned lights with #12 wire so that the entire room is on a 20 amp breaker. But it occurred to me that internally the light is most likely #14 wire. In other words when I splice in the canned light to the #12 wire, I am actually attaching a #12 to a #14. Is this a problem? If it is, then why are bathrooms usually 20 amp circuits including the lights, and bathroom fan?



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Old 10-18-2010, 02:44 PM  
speedy petey
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The wiring inside the can is likely #18. It does not need to be more.
You are not connecting #18 to a 20A circuit. You are connecting a fixture to a 20A circuit.
The fixture wiring is NOT part of the branch circuit. It only needs to carry the load of the fixture.

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Old 10-21-2010, 08:19 PM  
midway409
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I am kinda wondering the same thing? I have a family room in the basement that was in bad shape electrically. The former owner(s) used extension cords to wire outlets and duct tape splices everywhere. The 6 can lights 75W are wired using 14/2 G. So if I place the room on a 20 amp breaker with 6 outlets and 6 can lights, is that acceptable? Does the #14 need to be switched to #12?

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