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#194144 - 05/12/10 08:13 PM panel illumination
triple Offline

Registered: 04/01/02
Posts: 182
Loc: Wisconsin
Where do I find the article requiring a certain amount of foot-candles in front of an electical panel?

2014 / 2011 NEC & Related Books and Study Guides
#194152 - 05/13/10 07:26 AM Re: panel illumination [Re: triple]
HotLine1 Offline


Registered: 04/03/02
Posts: 6792
Loc: Brick, NJ USA
Requirements for lighting are in 110.26 (D) & 210.70 (A)(3)

No illumination levels are specified within the NEC, it not being a design tool. Other standards (ASME) may come into effect, but none that I am aware of at this time.

#194157 - 05/13/10 09:39 AM Re: panel illumination [Re: HotLine1]
gfretwell Offline


Registered: 07/20/04
Posts: 9026
Loc: Estero,Fl,usa
I thought this might be in the OSHA book and they do make a lot of references to "10 foot candles" around the other articles but in the electrical panel article they use the same language as NEC 110.26.
The Florida Building Code says

1205.3 Artificial light. Artificial light shall be provided that is adequate to provide an average illumination of 10 foot-candles (107 lux) over the area of the room at a height of 30 inches (762 mm) above the floor level.

That is based on ICC codes
Greg Fretwell


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