Tile Ring Vs. Mud Ring

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infinity

infinity

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New Jersey
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Journeyman Electrician (retired)
Can someone clarify that according to their listing these are actually the same thing? I was told today that a "tile ring" and a "mud ring" do not share the same UL listing and cannot be used in the same application, i.e.- behind a drywall surface. To me this is ludicrous because the name is just that, a name, and does not limit it's application, anyone have a listing document to back this up?

Tile ring:
HES_785.jpg

Mud ring:
HES_772.jpg
 
The mud rings had round corners and the tile had square corners. The reason is in the olden days the drywall guys ( actually plaster ) when plaster board was used the installer would use a tapered back cut of the rock. Then when plastered would provide a tight fit. today they use drywall and routers usually no back cutting. The whole process has been modified and the original design was reasoning was lost.

That's my opinion and I am sticking to it. ............:lol:
 
Not to mention the squared corners of the tile ring make cutting tile easier than trying to follow curves.
 
kwired said:
Is there even a requirement for such things to be listed?
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I've perused the UL "white book" and cannot seem to find any difference between the installation application for these different covers. I admit my research into anything involving UL listing is weak, and I actually dislike it. :roll:
 
They may have listing requirements, but are they even required to be listed? The boxes they fit on IIRC don't have to be listed, though many are.
 
I believe this inspector was citing 110.3(B) and stated that the square cornered type is called a "tile ring" and is only meant for tile. And far as I know UL makes no distinction between the two types shown in the OP and they can be used interchangeably. For that matter the term "tile ring" isn't even in the UL white book. :slaphead:
 
infinity said:
I believe this inspector was citing 110.3(B) and stated that the square cornered type is called a "tile ring" and is only meant for tile. And far as I know UL makes no distinction between the two types shown in the OP and they can be used interchangeably. For that matter the term "tile ring" isn't even in the UL white book. :slaphead:
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What happened with the inspection?
 
infinity said:
I believe this inspector was citing 110.3(B) and stated that the square cornered type is called a "tile ring" and is only meant for tile. And far as I know UL makes no distinction between the two types shown in the OP and they can be used interchangeably. For that matter the term "tile ring" isn't even in the UL white book. :slaphead:
Click to expand...

I have never heard the term "tile ring". I always assumed there were two different manufacturing methods of these just because the real deep ones are two large to be stamped/drawn from a single piece of material.
 
Sierrasparky said:
The mud rings had round corners and the tile had square corners. The reason is in the olden days the drywall guys ( actually plaster ) when plaster board was used the installer would use a tapered back cut of the rock. Then when plastered would provide a tight fit. today they use drywall and routers usually no back cutting.
Click to expand...
We had an inspector up here in northern NJ who required this for this exact reason. It didn't seem worth the argument for a $1.50 item so we just made sure to install them when working in his area
 
goldstar said:
We had an inspector up here in northern NJ who required this for this exact reason. It didn't seem worth the argument for a $1.50 item so we just made sure to install them when working in his area
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I bet I could guess his name. ;)
 
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