box fill

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charlie b

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Staff member
Location
Lockport, IL
Occupation
Retired Electrical Engineer
I am guessing this is part of a homework assignment. So how about telling us what you think, or where you looked in the NEC to try to find it, before we give you an answer?
 

celtic

Senior Member
Location
NJ
mr. Electrical said:
how many 2 12/2 2 14/2 1 switch 1 switch can go inside a box

I think you told us already...
2 12/2
2 14/2
1 switch
1 switch

....but can you tell us what the minimum size box is?
;)
 

Tarzan

Member
mr. Electrical said:
how many 2 12/2 2 14/2 1 switch 1 outlet can go inside a box

A 35 ci 2 gang nail up will accept 15 #12 conductors

A 4x4 2 1/8" deep, with an RS cover will work also

A 4 11/16 1 1/2" deep and an RS cover also

take ya pick
 

Tarzan

Member
celtic said:
Why 15? Why not 13?

I know some of the wires are #14...but why did you pick 15?

A 35 ci 2 gang nailup has a rating of 15#12 conductors marked in the box. Or at least the brand I buy does. Are you suggesting we do some creative whittling on these boxes? I only listed what manufactured sizes would work for the in field application, not the exact cubic inch required.
 
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roger

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Location
Fl
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Retired Electrician
Thanks for removing your answer, (you may want to recheck your calculations though) let's wait for the OP to respond before we give him the answer.

Roger
 

celtic

Senior Member
Location
NJ
Tarzan said:
Are you suggesting we do some creative whittling on these boxes?

Not at all.

This looks like a test/homework question. Generally these questions ask for the "minimum size" ~ as opposed to what's "available".


Thanks for reserving the answer until after the OP "shows his cards" first ;)
 

Tarzan

Member
roger said:
Thanks for removing your answer, (you may want to recheck your calculations though) let's wait for the OP to respond before we give him the answer.

Roger
I noticed my mistake ;)
 
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