Plastic washers on receptacle screws


Old 08-17-07, 03:41 PM
Thread Starter
Join Date: Aug 2007
Location: Alberta, Canada
Posts: 5
Plastic washers on receptacle screws

Just a quick, simple question for my first post...

New receptacles and switches seem to come with small, square plastic washers that keep the installation screws in place while they're in the store. Should these small plastic squares be removed before installation? Do they serve any function other than keeping the screws from getting lost prior to installation? Thanks a lot!
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Old 08-17-07, 03:52 PM
Join Date: Nov 2004
Location: CA
Posts: 2,041
You do not need remove them. It is a good idea for that retainer to still be there when in the future the device is pulled out for some reason.
Old 08-18-07, 01:02 PM
Join Date: Jul 2007
Posts: 15
If the box where the recptacle is installed is a surface mount box, and you do not remove the screw retainers, then you must provide a bonding jumper. In other than surface mount boxes it doesn't matter as the standard screw is not permitted to be used as the bonding means.

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