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Safety Showers and Light Switches #94173
07/13/05 11:22 AM
07/13/05 11:22 AM
ayakimov  Offline OP
Junior Member
Joined: Apr 2005
Posts: 3
Augusta, GA, USA
For a laboratory space, we are required to put safety showers with a pull chain adjacent to the exit door. What NEC requirements are there for light switches and receptacles? Thanks. Andrew

2017 / 2014 NEC & Related Books and Study Guides
Re: Safety Showers and Light Switches #94174
07/13/05 11:26 AM
07/13/05 11:26 AM
ayakimov  Offline OP
Junior Member
Joined: Apr 2005
Posts: 3
Augusta, GA, USA
I should have put, "What NEC requirements are there for light switches and receptacles within the safety shower area, and what distance is the safety shower area?"

Re: Safety Showers and Light Switches #94175
07/13/05 12:37 PM
07/13/05 12:37 PM
gfretwell  Offline

Joined: Jul 2004
Posts: 9,185
How about

I. Installation
312.2 Damp, Wet, or Hazardous (Classified) Locations.
(A) Damp and Wet Locations. In damp or wet locations, surface-type enclosures within the scope of this article shall be placed or equipped so as to prevent moisture or water from entering and accumulating within the cabinet or cutout box, and shall be mounted so there is at least 6 mm (1/4 in.) airspace between the enclosure and the wall or other supporting surface. Enclosures installed in wet locations shall be weatherproof.
Exception: Nonmetallic enclosures shall be permitted to be installed without the airspace on a concrete, masonry, tile, or similar surface.


404.4 Wet Locations.
A switch or circuit breaker in a wet location or outside of a building shall be enclosed in a weatherproof enclosure or cabinet that shall comply with 312.2(A). Switches shall not be installed within wet locations in tub or shower spaces unless installed as part of a listed tub or shower assembly.

[This message has been edited by gfretwell (edited 07-13-2005).]

Greg Fretwell


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