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Joined: May 2003
Posts: 8
J
Junior Member
What is the height above gas pumps considered hazardous location?


jimmy w. brown
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Joined: Feb 2003
Posts: 169
R
Member
If it's a typical dispenser that is on the ground, the classified area stops at the top of the pump housing.

Article 514

Joined: Apr 2001
Posts: 518
J
Member
I disagree. The "zone" continues up to a point 12 feet from the ground/grade. That's why the lights are always at least a little higher than that- so they don't have to use x-proof fixtures. Of course, it's also nice if a 13'6" semi will also miss them- but changing bulbs is a pain!

Joined: Feb 2003
Posts: 169
R
Member
John:

I think figure 514.3 in the 2002 NEC clearly shows the classified area stops at the top of the dispenser.

You have a good point about the light fixtures, 514.7 says you have to comply with 511.7.
While you have to comply with this article I think the light fixtures are above the classified area and not in it.

Russ


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