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#89048 08/30/04 05:54 PM
Joined: Sep 2003
Posts: 650
W
Member
Just to add a bit of confusion:
http://www.ecmweb.com/nec/code_qa_052104/

The above suggests that _in general_ MC cable is not suitable for health care facilities, because the armor is not suitable as a ground path...but it goes on to reference a product called 'MC SMART' made by ALFLEX. This product is supposed to be MC cable with the necessary bonding strip.

However when I go to http://www.alflex.com/ I can find no reference to this 'MC SMART' stuff. ALFLEX does show an HFC cable, and they clearly describe it as AC cable.

-Jon

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#89049 08/31/04 07:06 PM
Joined: Jun 2004
Posts: 220
T
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In general, MC isn't used, but technically, MC is a viable option. Sure, you probably would pay through the nose for it, but the question was is it allowed.

#89050 08/31/04 07:41 PM
Joined: Feb 2004
Posts: 494
M
Member
hi,
thanks for all the great replies and discussion. as i understand it MC is not allowed for use in a medical facility. there are SPECIAL TYPES of ARMORED CLAD OR ALUMINUM SHEATH cables that will meet the requirent of 517. plain old MC or BX would get shot down if you ask me. ENT is not even an option at all.

i am glad to be in the know about this subject it could pay off..

as far as i can tell, you need an approved sheath or jacket for the cable and it has to be metallic. this part of the cable assembly has to be approved for use as EGC to meet the requiremnts.

it is easy to identify this type cable.

thanks again for the discussion

sincerely

mustang



[This message has been edited by mustangelectric (edited 08-31-2004).]

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