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Code question reguarding box fill. #101950
03/23/04 04:48 PM
03/23/04 04:48 PM
T
tippy9988  Offline OP
Junior Member
Joined: Feb 2004
Posts: 2
brighton ontario canada
Can someone please put OEC rule #12-3036(3) in to english for me? It all makes sence about the part where the useable space shall be reduced by that of the device, but the confusing part is just after that. Where are they coming up with these numbers? 82cm3??? the example did nothing to clear up the rule for me..... I just want to know what boxes to use when installing GFCI's. in an industrial atmosphere, ie. FS boxes 1110 ...

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Re: Code question reguarding box fill. #101951
03/23/04 07:11 PM
03/23/04 07:11 PM
T
twh  Offline
Member
Joined: Mar 2004
Posts: 925
Regina, Sask.
Required space for conductors:
a) 1.5 cubic inches per 14 AWG
b) 2 cubic inches per 12 AWG

For a device over one inch deep, deduct from the actual volume of the box: 5 cubic inches per inch of depth of the device. (for a 1.5 inch deep device, deduct 7.5 cubic inches)

That rule is a good example of poor workmanship. If the drafter of that rule worked for me, I would fire him.

tim

Re: Code question reguarding box fill. #101952
03/23/04 11:55 PM
03/23/04 11:55 PM
C
crash  Offline
Member
Joined: Oct 2003
Posts: 147
Calgary Canada
Fire him. Send him back to junior high. And take his metric conversion calculator away! Then hand him a tape measure and tell him to find the 1/100cm marks on it.

[This message has been edited by crash (edited 03-23-2004).]


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