Connecting recept ground to box?

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olc

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Bonding receptacle ground to a box (250.146). Exceptions? Devices with yokes listed as self grounding. How do you know the yokes are listed?
 
olc said:
Bonding receptacle ground to a box (250.146). Exceptions? Devices with yokes listed as self grounding. How do you know the yokes are listed?
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They usually have a clip that holds the 6-32 screw in place. See picture- one for those who like ground up and the other for ground down.

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Automatic grounding clip?

Without it the receptacles need to be bonded to metal boxes? Same with switches?
 
olc said:
Automatic grounding clip?

Without it the receptacles need to be bonded to metal boxes? Same with switches?
Click to expand...


The receptacle is required to be connected to either a grounded metal box or an EGC. The use of a self-grounding receptacles will allow you to not need the wire jumper to the metal box. Switches do not require self-grounding clips or wire jumpers when using a grounded metal box. They can be grounded by the two 6-32 mounting screws.
 
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