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#94320 - 07/22/05 11:52 AM sizing a multi- family service
pwregan Offline
New Member

Registered: 06/04/05
Posts: 6
Loc: Plymouth,MA
need to figure a feeder size for a 4 unit condo building,4- 100 amp panels for condos, and 1- 60 amp panel for house panel
any help will be greatly appreciated
thank you,

2014 / 2011 NEC & Related Books and Study Guides
#94321 - 07/27/05 02:00 AM Re: sizing a multi- family service
pauluk Offline

Registered: 08/11/01
Posts: 7693
Loc: Norfolk, England
As this is a somewhat code-related issue, I'm going to move this across to the NEC area for better coverage.

#94322 - 07/27/05 08:28 AM Re: sizing a multi- family service
Bob Offline

Registered: 02/05/02
Posts: 182
Loc: Mobile, AL, USA
Look at 220.31 and 220.32 for the caculations and adjustments in the 2002 code

[This message has been edited by Bob (edited 07-27-2005).]

#94323 - 07/27/05 09:35 AM Re: sizing a multi- family service
Joe Tedesco Offline

Registered: 10/07/00
Posts: 3325
Loc: Boston, Massachusetts USA
See the 2005 NEC in Annex D for Examples that will help you make the calculations.
Joe Tedesco, NEC Consultant

#94324 - 07/27/05 12:41 PM Re: sizing a multi- family service
giddonah Offline

Registered: 06/03/05
Posts: 50
Loc: UT
Um, 220.31?? My book ('05 handbook) skips from 220.18 to 220.40...

#94325 - 07/29/05 06:00 AM Re: sizing a multi- family service
giddonah Offline

Registered: 06/03/05
Posts: 50
Loc: UT
I didn't think that was such a dumb question.


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