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K2eoj 09-11-2005 11:27 PM

Box fill
 
The blue 2-gang romex box reads on the inside that it is for 16 #14 wires so many 12's etc. Are they considering a 14-2 with ground one wire or three wires? What about a 14-3 with ground. Thanks in advance. HS

jbfan 09-12-2005 09:41 AM

All grounds count as 1 wire, all others count as single wires. 3#14/2 w g is counted as 7 wires, plus the device will count as 2 each. So a 2 gang box that allows 16, #14 wires and has 2 switches in it will only allow 14 wires.
Hope that answer your question

K2eoj 09-13-2005 12:07 AM

Quote:

Originally Posted by jbfan
All grounds count as 1 wire, all others count as single wires. 3#14/2 w g is counted as 7 wires, plus the device will count as 2 each. So a 2 gang box that allows 16, #14 wires and has 2 switches in it will only allow 14 wires.
Hope that answer your question

Got the first part, but I'm coming up with 12 in your second example. Did i miss something? Also, If a guy likes to pigtail to the outlets do those wires get counted? Makes more sense now, i thought 16 pcs of romex in a box seemed like alot. Thanks again. HS

jbfan 09-13-2005 04:41 PM

Math was never my strong suite!! You are right, I forgot a switch! The pigtails do not count.

K2eoj 09-14-2005 12:11 AM

Thank you, that helps. HS


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