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#174132 - 01/27/08 07:33 AM Hospital Feeders (Wireing Methods)
Yoopersup Offline
Member
Registered: 03/04/03
Posts: 822
Loc: Michigan
Critical, Life safety, Equipment, and normal.
Remember FEEDERS not branch circuits.
Rubber covered MC Cable???? .Single phase 2 hots , neutal, ground.
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#174133 - 01/27/08 08:07 AM Re: Hospital Feeders (Wireing Methods) [Re: Yoopersup]
leland Offline
Member
Registered: 08/20/07
Posts: 853
Loc: Lowell area, Ma. USA
Yoop, Code quiz?

Not sure what your asking.
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#174157 - 01/27/08 09:26 PM Re: Hospital Feeders (Wireing Methods) [Re: leland]
Yoopersup Offline
Member
Registered: 03/04/03
Posts: 822
Loc: Michigan
Question is. Is there any problem using rubber covered MC for hospital feeders??
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#174199 - 01/28/08 08:12 PM Re: Hospital Feeders (Wireing Methods) [Re: Yoopersup]
leland Offline
Member
Registered: 08/20/07
Posts: 853
Loc: Lowell area, Ma. USA
I see nothing to prevent it.
Appears that the critical items come in to play at the branch ckt level.
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#174222 - 01/29/08 02:50 PM Re: Hospital Feeders (Wireing Methods) [Re: leland]
WireNuts29 Offline
Member
Registered: 07/24/07
Posts: 85
Loc: Mass, U.S.A.
From past experience, as a helper at the time. If I can recall correctly you need the 2 hour burn on all critical feeders.Which seems to me in a hospital all patient care areas. I remember using M.I cable for this a few tears back. I'd have to check my code book for the article numbers, thisis just off the top of my head. Also seems to me most hospitals I've done work in have panels dedicated to critical loads, usually having generator back up.
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#174241 - 01/29/08 09:02 PM Re: Hospital Feeders (Wireing Methods) [Re: WireNuts29]
Yoopersup Offline
Member
Registered: 03/04/03
Posts: 822
Loc: Michigan
Yer thinking of Fire Pumps . Hospital feeders two hr fire rateing I don't think so.
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#174268 - 01/30/08 04:35 PM Re: Hospital Feeders (Wireing Methods) [Re: Yoopersup]
leland Offline
Member
Registered: 08/20/07
Posts: 853
Loc: Lowell area, Ma. USA
In Ma. We have the 2 hr rateing for feedrs.
However, Some inspectors have trouble diferentiating feedrs from branch ckts.
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#174278 - 01/30/08 08:08 PM Re: Hospital Feeders (Wireing Methods) [Re: leland]
Yoopersup Offline
Member
Registered: 03/04/03
Posts: 822
Loc: Michigan
Doesn't Ma. use only the NEC?? I carried a Ma. License for yrs and took the test (Masters) in 1999 . I don't remember any additions to the NEC at that time.
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