ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals

Topic Options
Rate This Topic
#89643 - 10/12/04 09:09 AM Appliance Branch Circuit
Electra Offline
Member
Registered: 07/29/02
Posts: 38
Loc: Portland, Oregon, USA
Can anyone tell me where the value of 1500 VA comes from for the small appliance and laundry calcs. This only works out to 12.5 amps per circuit, but they are 20 amp circuits. I thought it might be some kind of demand factor, but we are already including this figure when we take the lighting demand - thus it is being reduced twice?

If this is some sort of demand, how did it get decided on 1500VA?

Thanks,

Laura
Top
2017 / 2014 NEC & Related Books and Study Guides
#89644 - 10/12/04 09:53 AM Re: Appliance Branch Circuit
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
The 20a loads in the kitchen and laundry are usually going to be short duration and when you are averaging them into total building demand the affect is less that things that you consider continuous loads.
_________________________
Greg Fretwell
Top

Member Spotlight
Member Since: 08/22/05
Posts: 44
New in the Gallery:
SE cable question
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box


Who's Online
0 registered (), 30 Guests and 8 Spiders online.
Key: Admin, Global Mod, Mod
 
New in the Gallery:
SE cable question
 
Top Posters (30 Days)
Admin 47
HotLine1 43
gfretwell 19
Ruben Rocha 12
Trumpy 9
 
Newest Members
Scotto, Freecrowder, clee512, Jdscott2005, FAIZAN

ECN Electrical Forums - sponsored by Electrical Contractor Network - Electrical and Code Related Discussion for Electrical Contractors, Electricians, Inspectors, Instructors, Engineers and other related Professionals