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#1281 - 05/04/01 11:09 PM 1 more .. Metal or Plastic Cover Plates?  
Bill Addiss  Offline
Member
Joined: Oct 2000
Posts: 3,878
NY, USA
Which are better? Safer?
(Metal or Plastic Cover plates)


Work Gear for Electricians and the Trades

#1282 - 05/05/01 06:34 AM Re: 1 more .. Metal or Plastic Cover Plates?  
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,311
well you shouldn't use a metal blank cover on a plastic box right?, so that would be out....


#1283 - 05/05/01 07:26 AM Re: 1 more .. Metal or Plastic Cover Plates?  
Tom  Offline
Member
Joined: Jan 2001
Posts: 1,044
Shinnston, WV USA
For most work I prefer the flexible & virtually indestructible nylon plates made by Hubbell. They do have the drawback of not snugging up to the wall as tight as regular plastic & this can be a problem on 3 gang or larger boxes.

Tom


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#1284 - 05/06/01 10:40 PM Re: 1 more .. Metal or Plastic Cover Plates?  
sparky66wv  Offline
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Joined: Nov 2000
Posts: 2,236
West Virginia
I don't like how the nylon plates "dimple" when the screws are tightened. I guess you have to leave them loose to make it look right. Just has a cheap plastic look compared to the hard plastic ones...(boy that sounds dumb...)

I use metal plates with handy boxes or in commercial applications where metal plates are used elsewhere. (Stainless for food services, etc.)And, yes, only with metal boxes.

I do have concerns about the covers having enough ampacity to trip the OCPD during a short to ground. Joe's pics in the violations section give me such a concern.

In using deep handy's with GFCI's, are there metal "Decora" covers available for handy boxes? I haven't been able to find them, and the plastic covers don't fit well on a handy box.


-Virgil
Residential/Commercial Inspector
5 Star Inspections
Member IAEI

#1285 - 05/07/01 04:11 PM Re: 1 more .. Metal or Plastic Cover Plates?  
Anonymous
Unregistered

Quote
you shouldn't use a metal blank cover on a plastic box right?

That sounds right. If you solder a ground wire onto it and bond it to the ground wire in the box, that ought to be okay. A lot of work...


#1286 - 05/07/01 09:14 PM Re: 1 more .. Metal or Plastic Cover Plates?  
wayne  Offline
Member
Joined: Apr 2001
Posts: 54
NC
[Linked Image] I would have to agree with Sparky, don't use a metal cover on a plastic box.

I would say that the plastic over the metal any day. safer,more economical, and non conductive.

Of course there are other factors that you would have to consider in metal over plastic, durability ect........ [Linked Image]

Wayne


#1287 - 05/08/01 10:49 PM Re: 1 more .. Metal or Plastic Cover Plates?  
SlamTex  Offline
Member
Joined: Apr 2001
Posts: 53
I'm with sparky on the plastic box issue. In residential applications, I like the hard plastic type because I think they look better than nylon. As far as steel plates are concerned, I like them in almost all commercial applications. Device cover plates that are UL listed have been tested, and are perfectly acceptable by the NEC.



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