romex above commercial
- Thread starter shockme
- Start date
- Status
- Location
- Bremerton, Washington
- Occupation
- Master Electrician
Re: romex above commercial
What version of the NEC?
What version of the NEC?
frenchelectrican
Senior Member
- Location
- Nord'est Wisconsin et Paris France
Re: romex above commercial
there are few diffrent verison and local codes adendments too to make a big diffrence i know 96 and 99 went alot of change also 02 codes change again but i am not on full speed on 02 yet but working hard as i can get up the par with it but i know there is few diffrence for using romax so shockme just check your local codes and state it meantion there and ahj(local inspector) can call the final shot there for me i will check with inspecter fast before you do something like that because the codes can really compated it bettween 2 diffrent sections i allready went thru with that many time with commercal bulding on first floor the second and third floor is apartment section and that what threw monkey wrench there but i am lucky that my inspecter is very nice and he steer me right and show what section of nec and state code that can allow and what cant
thanks for listen to me
merci marc
there are few diffrent verison and local codes adendments too to make a big diffrence i know 96 and 99 went alot of change also 02 codes change again but i am not on full speed on 02 yet but working hard as i can get up the par with it but i know there is few diffrence for using romax so shockme just check your local codes and state it meantion there and ahj(local inspector) can call the final shot there for me i will check with inspecter fast before you do something like that because the codes can really compated it bettween 2 diffrent sections i allready went thru with that many time with commercal bulding on first floor the second and third floor is apartment section and that what threw monkey wrench there but i am lucky that my inspecter is very nice and he steer me right and show what section of nec and state code that can allow and what cant
thanks for listen to me
merci marc
dana1028
Senior Member
- Location
- San Francisco Bay area
Re: romex above commercial
hoping I don't put my foot in my mouth - I believe the 2002 permits this now.
334.10(2) permits NM in multifamily dwelling of Types III, IV and V construction except as prohibited in 334.12(Uses Not Permitted). Per UBC 606.2, Type V construction is 'Conventional Light-Frame wood'; and 2002 NEC removed the '3-story' restriction (for this scenario).
There is nothing in 334.12 that restricts the construction type you mention.
[ May 02, 2003, 01:07 AM: Message edited by: dana1028 ]
hoping I don't put my foot in my mouth - I believe the 2002 permits this now.
334.10(2) permits NM in multifamily dwelling of Types III, IV and V construction except as prohibited in 334.12(Uses Not Permitted). Per UBC 606.2, Type V construction is 'Conventional Light-Frame wood'; and 2002 NEC removed the '3-story' restriction (for this scenario).
There is nothing in 334.12 that restricts the construction type you mention.
[ May 02, 2003, 01:07 AM: Message edited by: dana1028 ]
charlie
Senior Member
- Location
- Indianapolis
Re: romex above commercial
It depends upon where you are located. I know that Chicago doesn't recognize Article 334 so type NM can not be used at all. In Indiana, any building may be wired with type NM as follows from the Indiana Electrical Code:
Sec. 18.
(a) Delete the text of (2) in Section 334.10 and substitute:
(2) In any building or structure not exceed-ing three (3) stories (see Section 362.10 for the definition of STORY).
(a) For exposed work except as prohibited in Section 334.12.
(b) Concealed within walls, floors, and ceilings except as prohibited in Section 334.12.
(b) Delete the text of (3) in Section 334.10 and substitute:
(3) In any building or structure exceeding three (3) stories (see Section 362.10 for the definition of STORY), Type NM, Type NMC, and Type NMS cables shall be concealed within walls, floors, and ceilings that provide a thermal barrier of material that has at least a 15-minute finish rating identified in listings of fire-rated assemblies. The 15-minute-finish-rated thermal barrier shall be permitted to be used for combustible walls, floors, and ceilings, except as prohibited in Section 334.12.
Exception: Where the building is provided with an approved automatic sprinkler system throughout, Type NM, Type NMC, and Type NMS cables are permitted to be used within walls, floors, ceilings, exposed or concealed, in buildings exceeding three (3) stories.
(Fire Prevention and Building Safety Commis-sion; 675 IAC 17-1.6-18; filed Aug 14, 2002, 4:20 p.m.: 26 IR 18)
In other words, check your local laws.
It depends upon where you are located. I know that Chicago doesn't recognize Article 334 so type NM can not be used at all. In Indiana, any building may be wired with type NM as follows from the Indiana Electrical Code:
Sec. 18.
(a) Delete the text of (2) in Section 334.10 and substitute:
(2) In any building or structure not exceed-ing three (3) stories (see Section 362.10 for the definition of STORY).
(a) For exposed work except as prohibited in Section 334.12.
(b) Concealed within walls, floors, and ceilings except as prohibited in Section 334.12.
(b) Delete the text of (3) in Section 334.10 and substitute:
(3) In any building or structure exceeding three (3) stories (see Section 362.10 for the definition of STORY), Type NM, Type NMC, and Type NMS cables shall be concealed within walls, floors, and ceilings that provide a thermal barrier of material that has at least a 15-minute finish rating identified in listings of fire-rated assemblies. The 15-minute-finish-rated thermal barrier shall be permitted to be used for combustible walls, floors, and ceilings, except as prohibited in Section 334.12.
Exception: Where the building is provided with an approved automatic sprinkler system throughout, Type NM, Type NMC, and Type NMS cables are permitted to be used within walls, floors, ceilings, exposed or concealed, in buildings exceeding three (3) stories.
(Fire Prevention and Building Safety Commis-sion; 675 IAC 17-1.6-18; filed Aug 14, 2002, 4:20 p.m.: 26 IR 18)
In other words, check your local laws.
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