minimum distance between eye wash / emergency shower and electrical equipment

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Tfret

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Greetings,
I'm in a large manufacturing plant with lots of 480V control panels and service disconnects. We have several eyewash stations and emergency showers throughout the plant. The question has been raised "what is the minimum distance required between these items and electrical equipment?" I've looked at 406.9, 312.2, 314.15, 547.5(c)(2) and it seems they all basically say electrical equipment in damp, wet, locations, or dry locations that are sprayed periodically, needs to be weatherproof. I see no clearance specification anywhere. Of course receptacles in the immediate areas are GFCI, but again I see no distance info. Is there any such distance with regard to water?
 
The NEC is silent on this type of installation unless it meets the Article 100 definition of a wet location.

Location, Wet. Installations underground or in concrete slabs
or masonry in direct contact with the earth; in locations subject
to saturation with water or other liquids, such as vehicle wash‐
ing areas; and in unprotected locations exposed to weather.
 
Yeah, it doesn't really fit that specific definition. Generally these devices dump water on the floor. But it could be splashed onto surrounding equipment I presume.
 
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