metallic luminaire over spa - "isolated from contact"?

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malachi constant

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Minneapolis
I have a commercial project with an indoor spa. Spa is located in a corner. Light levels at back corner of spa do not meet code and we need to add a luminaire. The best option appears to be adding a fixture over the spa. I believe NEC '08 680.43(B)(1) is the governing code here. I am not certain what the height it, but I might be below 7'-6" from water to luminaire, so sub-paragraph (c) applies.

(c)(2) states this would be an acceptable fixture:
Surface-mounted luminaires with a glass or plastic globe, a nonmetallic body, or a metallic body isolated from contact, and suitable for use in damp locations.

So what the heck is a "metallic body isolated from contact"?

See link below for the fixture we have installed elsewhere. I assume it wouldn't work, but I've been wrong many, many, many times before, so figure I'll ask before finding a non-metallic (or shallower) fixture.

http://www.acuitybrandslighting.com/library/gal/documents/SpecSheets/SCF-280.pdf

Thanks!
 
My local lighting vendor believes "isolated from human touch" is code-speak for "out of reach". As in, you can't touch it accidentally - you have to have a ladder or something.

If that's the case I'll run my interpretation by the inspector and go with the fixture linked above.

Any thoughts?
 
"light levels...do not meet code"

"light levels...do not meet code"

What does the code say about light levels? Unless it's emergency/exit/egress/food service, I'd bet there is no code-required light level...
 
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