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panel illumination #194144
05/12/10 11:13 PM
05/12/10 11:13 PM
triple  Offline OP
Joined: Apr 2002
Posts: 184
Where do I find the article requiring a certain amount of foot-candles in front of an electical panel?

2017 / 2014 NEC & Related Books and Study Guides
Re: panel illumination [Re: triple] #194152
05/13/10 10:26 AM
05/13/10 10:26 AM
HotLine1  Offline

Joined: Apr 2002
Posts: 6,936
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.

Re: panel illumination [Re: HotLine1] #194157
05/13/10 12:39 PM
05/13/10 12:39 PM
gfretwell  Offline

Joined: Jul 2004
Posts: 9,187
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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