Raised cover

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guschash

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Ohio
What is article number that says right with a expose raised cover that a grounding wire in box is not need. I don’t have my book with me. Expose raised cover, they little dip on the four corners.
 
guschash said:
What is article number that says right with a expose raised cover that a grounding wire in box is not need. I don’t have my book with me. Expose raised cover, they little dip on the four corners.
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I want to say u still have to ground the box but not the device if the 4 corners of the cover are not raised.
 
guschash said:
What is article number that says right with a expose raised cover that a grounding wire in box is not need. I don’t have my book with me. Expose raised cover, they little dip on the four corners.
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We call that an Austin cover around here. Mounts to a 1900 (4"square box). There is another to fit a 4-11/16" square box.

If you are using one with a duplex receptacle, you have to use the two screws and nuts supplied to fasten the strap to the plate in addition to the center screw.

-Hal
 
hbiss said:
We call that an Austin cover around here. Mounts to a 1900 (4"square box). There is another to fit a 4-11/16" square box.

If you are using one with a duplex receptacle, you have to use the two screws and nuts supplied to fasten the strap to the plate in addition to the center screw.

-Hal
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Center screw is not necessary.
 
Cow said:
The raised covers over here come with the center screw already installed, it would take more work to back it out of the cover than to just screw it into the device....
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The ones we just started getting are a new style that come with a center hole but no screw pre installed and two loose screws and nuts. Code only calls for two so I don't put one in the center.
 
kwired said:
Center screw is not necessary.
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Perhaps not, but installing it first sure makes it easier for my fat fingers. Otherwise, I have to hold the cover with one hand, the receptacle with the other, the bolt with another and the nut with the fourth. (and my fingers don't usually fit between the inside edge of the receptacle and the device)
 
ActionDave said:
The ones we just started getting are a new style that come with a center hole but no screw pre installed and two loose screws and nuts. Code only calls for two so I don't put one in the center.
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All I have seen for maybe 20 years is ones with two screws and two nuts. Haven't seen a pre-installed center screw since code started making us use the two screws for support - and after old stock dwindled away. When was that? maybe 1993 NEC? I do know it was before I became a contractor which was 1997.

I think code wants two screws for support of the device, one is otherwise good enough for bonding purposes. Some "self bonding" devices have self bonding feature on one end and non metallic screw keeper on other end - yet they are good for bonding with just that one screw for other then raised cover applications.
 
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