View Full Version : Trap question
mathew stouffer
08-04-2009, 08:40 AM
In addition to the missing vent, what is the min lenght requirement for the line behind the trap, preventing it from being an S trap.
Randy Cooper
08-04-2009, 04:30 PM
Are you referring to the trap arm length?
Check out the electrical receptacle on its back; the NEC prohibits receptacles from facing up in wet locations.
Billy Stephens
08-04-2009, 04:47 PM
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requirement for the line behind the trap, preventing it from being an S trap.
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Snagged this off this site ( can't remember who posted it.)
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mathew stouffer
08-04-2009, 05:19 PM
Yes the trap arm. And I called out the outlet, although the electricians response was the area is not wet.
Jerry Peck
08-04-2009, 06:53 PM
Check out the electrical receptacle on its back; the NEC prohibits receptacles from facing up in wet locations.
They do?
The NEC prohibits receptacles from facing up in kitchen and bathroom countertops, besides, that is not a "wet location".
The NEC allows FLOOR receptacle to face up. Every seen anyone MOP a floor? I have.
Jerry Peck
08-04-2009, 07:06 PM
In addition to the missing vent, what is the min length requirement for the line behind the trap, preventing it from being an S trap.
"preventing it from being an S trap"
The only thing which will prevent it from being an 'S' trap is a vent.
As I recall, though, there is a minimum trap arm length of 2 times the diameter of the pipe. That would be from the trap weir to the vent.
mathew stouffer
08-04-2009, 11:29 PM
Thanks Jerry for answering the question.
Randy Cooper
08-05-2009, 04:22 PM
They do?
The NEC prohibits receptacles from facing up in kitchen and bathroom countertops, besides, that is not a "wet location".
The NEC allows FLOOR receptacle to face up. Every seen anyone MOP a floor? I have.
Yes Jerry,
The NEC does prohibit recepticals from facing up in a wet location, I think I said that. I never called the space under a lav a wet location. I said "check out that receptical on its back" inferring a judgment call. Sorry for any confusion. As far as mopping floors, a floor receptical box is listed for that use. A 4x4 steel box I doubt, would be listed at all; especaily in that location. Again a judgment call. Besides, our Electrical Specialist said: "no way Jose" and his name is Jose too! :rolleyes:
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