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 y_wren 11-13-2008 10:05 PM

Installing a recessed light

Is it okay to replace a light on a 12 awg circuit (20 amp breaker) with a recessed light that is marked 14 awg through branch circuit conductors (on the can). If not, can you explain why.

Thanks

 jamiedolan 11-13-2008 10:26 PM

Quote:
 Originally Posted by y_wren (Post 184640) Is it okay to replace a light on a 12 awg circuit (20 amp breaker) with a recessed light that is marked 14 awg through branch circuit conductors (on the can). If not, can you explain why. Thanks
Does it have pig tails that are 14 gage or are the terminals are it marked that it only accepts 14 gage?

Jamie

 y_wren 11-13-2008 10:51 PM

Hi,

On the under side of the recessed can is states 'Max. of (4) NO. 14 AWG thought branch circuit conductors 2 in and 2 out suitable for at least 75 degree premitted in junction box.'

Thanks

 Gigs 11-14-2008 03:55 AM

That sounds like a physical fill limit, not anything to do with ampacity.

 rgsgww 11-14-2008 07:10 AM

Where will this can be located in the circuit?

 y_wren 11-14-2008 08:50 AM

Hi,

The light is in the middle of run. I have not removed the old light yet, but it is also connected to a 3-way switch. So depending on how this way done, it is possible to have 2 - 12-3 coming from the switch and 1 -12-2 leaving which would exceed the capacity of box. (but I might can do a work around if it'sonly a capacity issue).

Thanks

 InPhase277 11-14-2008 09:47 AM

Yes, the 14 gauge limit is the volume capacity of the junction box attached to it. I doubt that the 3-way wiring passes through the lights. If the box is limited to four 14-2's, that seems to indicate a volume of 18 cubic inches or so, not counting the wires to the fixture. This would indicate a maximum of three 12-2's in the box.

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