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Romex in commercial (wood frame) buildings. #48947 02/23/05 06:57 PM
Joined: Jul 2004
Posts: 134
C
cgw Offline OP
Member
Does any one have problems with running NM cable in small commercial wood frame buildings (say a apartment complex office/community center (less than 100 people)) as opposed to MC cable?
Is the cost savings (material and labor) significant?

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Re: Romex in commercial (wood frame) buildings. #48948 02/23/05 07:24 PM
Joined: Mar 2002
Posts: 125
S
Sparks30 Offline
Member
How many stories?

Re: Romex in commercial (wood frame) buildings. #48949 02/23/05 07:51 PM
Joined: Dec 2002
Posts: 308
E
Edward Offline
Member
I might be wrong,but I thought Romex was not allowed in any commercial building.

Is a condominium or apartment complex above three stories considered commercial or residential?

Edward


Thanks
Edward
Re: Romex in commercial (wood frame) buildings. #48950 02/23/05 08:38 PM
Joined: Jul 2004
Posts: 134
C
cgw Offline OP
Member
One story, type V (wood frame) construction.

Re: Romex in commercial (wood frame) buildings. #48951 02/23/05 09:32 PM
Joined: Apr 2002
Posts: 7,122
HotLine1 Offline
Member
Based on your information, it's not an NEC issue.
Personally, I (as an EC) do not put MNC in comm buildings. But, remember, this is my personal choice.

John


John
Re: Romex in commercial (wood frame) buildings. #48952 02/23/05 09:58 PM
Joined: Feb 2005
Posts: 219
S
sierra electrician Offline
Member
cgw
In the county I live in its acceptable to run romex in a comm bldg but I refuse to do it. Are apt complex's concidered comm work in your area?

Rob

Re: Romex in commercial (wood frame) buildings. #48953 02/23/05 10:04 PM
Joined: Nov 2004
Posts: 138
C
Clydesdale Offline
Member
we just wired up a one story medical building. we ran romex for the offices, kitchen, reception, and waiting rooms; and BX for the examination rooms...if there wern't any examination rooms, i am positive my boss would have ran all romex(speed/cost of running the wire, ect.)if it's not over 3 stories then go for it...just don't run it in open runs above a drop ceiling.
for a complete list of where you are allowed to use NM cable, look at
Article 334.10--Uses Permitted.
for complete list of where you can't use it look at Article 334.12--Uses Not Permitted

Re: Romex in commercial (wood frame) buildings. #48954 02/23/05 10:28 PM
Joined: May 2003
Posts: 2,876
E
e57 Offline
Member
Depends on your local codes for fire ratings, I'd check your Inspector before you start.


Mark Heller
"Well - I oughta....." -Jackie Gleason
Re: Romex in commercial (wood frame) buildings. #48955 02/23/05 10:36 PM
Joined: Apr 2002
Posts: 914
E
Electric Eagle Offline
Member
I don't have a problem using NM in any wood frame construction.

BTW, the 3 story limit was removed in the 2002 book.

Re: Romex in commercial (wood frame) buildings. #48956 02/24/05 01:16 AM
Joined: Oct 2004
Posts: 72
B
bucketman Offline
Member
what is (excessive) moisture or dampness?
in 334.12 (10) (d)

is a pole barn a hazardous location?
because of hay or grain dust maybe.
could I use NM in the pole barn?

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