Box Fill - Ontario ?


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Old 04-20-15, 06:41 AM
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Box Fill - Ontario ?

I'm a bit confused with the box fill rules in Ontario, Please review attached drawing and tell me if both these boxes are sufficient in size to accomodate the illustrated wiring. Thanks
 
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Old 04-20-15, 06:49 AM
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No, they are not, if CEC is similar to NEC. You need to bump up to a 22inch plastic box or a 4"x4" box with a mud ring.

In both boxes you have 18 cu in of wire:
7 #14 = 14 cu in
1 device = 4 cu in
 
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Old 04-20-15, 08:33 AM
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Also marettes count as wire fill.
 
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Old 04-21-15, 05:18 AM
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Thanks guys.Much appreciated
 
 

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