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Old 03-02-2011, 08:38 PM   #1
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Damp Location Definition


Can some one please help with the definition of a "DAMP LOCATIOn" as it applies to a bathroom. We have an enclosed shower and would like to put track lighting on a beam that is outside of the glass enclosure (but still in the bathroom), but the track is not rated for damp conditions.
Thank you. Steve

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Old 03-02-2011, 08:48 PM   #2
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Damp Location Definition


Here is the NEC definition


Location, Damp.
Locations protected from weather and
not subject to saturation with water or other liquids but
subject to moderate degrees of moisture. Examples of such
locations include partially protected locations under canopies,
marquees, roofed open porches, and like locations,
and interior locations subject to moderate degrees of moisture,
such as some basements, some barns, and some coldstorage
warehouses.

You will need to meet the clearance requirements for fixtures above and near the tub zone. Here is a good diagram from Mike Holt.




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Last edited by Jim Port; 03-02-2011 at 08:52 PM. Reason: added graphic
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Old 03-02-2011, 08:54 PM   #3
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Damp Location Definition


Locations protected from weather and not subject to saturation with water or other liquids but subject to moderate degrees of moisture. Examples of such locations include partially protected locations under canopies, marquees, roofed open porches, and like locations, and interior locations subject to moderate degrees of moisture, such as some basements, some barns, and some cold-storage warehouse.
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Old 03-03-2011, 07:52 AM   #4
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Damp Location Definition


Jim,
In the Mike Holt pic, I see (I think) a wall switch in the 3' zone of exclusion. So, this zone only pertains to lights and not switches (or outlets)?
Thanks,
Bob
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Old 03-03-2011, 08:57 AM   #5
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Damp Location Definition


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Originally Posted by bob22 View Post
Jim,
In the Mike Holt pic, I see (I think) a wall switch in the 3' zone of exclusion. So, this zone only pertains to lights and not switches (or outlets)?
Thanks,
Bob
Correct.
Switches and receptacles shall not be located within the shower/tub area, but CAN be in the "3 foot zone" outside the tub area.
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Old 03-03-2011, 09:20 AM   #6
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Damp Location Definition


Quote:
Originally Posted by Speedy Petey View Post
Correct.
Switches and receptacles shall not be located within the shower/tub area, but CAN be in the "3 foot zone" outside the tub area.
everything is gfi protected yes?
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Old 03-03-2011, 09:38 AM   #7
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Damp Location Definition


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everything is gfi protected yes?
No. Only receptacles.
Certain lighting IS allowed in the exclusion zone if GFI protected. Most recessed lights do not require GFI protection.
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Old 03-03-2011, 09:56 AM   #8
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Damp Location Definition


been awhile for me but I thought any electrical you could reach while standing in a tub of water was protected, or is that just whirlpools? sorry for the ignorance
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Old 03-03-2011, 09:58 AM   #9
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Damp Location Definition


No, not generally. There is no "touch potential" distance code.

Also depends on what you mean by "whilrpool".
Spas and pools have different rules.

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