Non-metallic wet niche housing

[speedypetey]

I am wondering about this.

I know 680.23(B)(2)(b) says a non-metallic conduit extending from a wet niche forming shell must have a #8 bond inside terminated inside the forming shell and at the deck box.

Well, what about the case of a non-metallic forming shell without a bonding lug inside???
I know the requirement is to bond the conduit, not the forming shell, but this a weird scenario.

Did the NEC overlook the possibility of this happening?
Did the manufacturers of the light overlook the need for a bonding lug inside the shell as well as otside?

How would one meet the letter of the code in this case?

 

[mdshunk]

The one and only non-metallic wet-niche fixture I ever saw included instructions to wire it with PVC. Maybe they're all that way?

 

[mpd]

look at 680.23(B) (1)

 

[speedypetey]

I have read that.
So I guess a non-metallic forming shell without an internal lug would just plain be non-complaint in itself. I thought as much.

 

[Dennis Alwon]

I see no reason that a nonmetallic shell cannot be used if it is UL listed. Obviously there would be no need for the #8 bond to the deck box. Perhaps there is a place on the light to bond the #8 but I have never seen one like that.

Is the fixture itself nonmetallic???

 

[Pierre C Belarge]

I see a lot of forming shells in my inspections. The older ones may be metallic. All of the new ones are PVC with a lug that is continuous from the inside to the outside of the shell.

Are you saying you have seen other than this?

 

[benaround]

Pierre, What is the reason to have a lug on a pvc shell ? Is there any metal

on/in the shell ? Thanks.

 

[augie47]

the nonmetalic shells that are in us here have an embedded metallic strip the connects to the lug and the metal stud where the lamp cover fastenes.
An ohm meter will show that. It's deceptive

 

[benaround]

Gus, Well that makes sense then. thx