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Old 01-12-2013, 10:19 AM   #16
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is ground screw on light switch necessary


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Originally Posted by Red Squirrel View Post
TBH I never really bother, as long as the box is grounded properly the switch will also be grounded. Though I think the point of it is when the switch is not screwed into the box (ex: middle of construction) then it is still grounded.



That is good to know, probably why I never done it myself. Lot of the stuff I've learned was from just seeing how others did it when I took something apart.


This is only true because even canadian plastic boxes have a metal bonding strip for the mounting screws.




US boxes have no such provision., if the ground is not connected to the device, the device is not grounded. Unless you're using an all metal box.


Last edited by Techy; 01-12-2013 at 10:21 AM.
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Old 01-12-2013, 01:19 PM   #17
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is ground screw on light switch necessary


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If you're in Canada you're in luck, no grounding of light switches required.
Not in Ontario either! This is a rule concocted by engineer's under pressure to keep turning out product to justify their high wages.
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Old 01-12-2013, 04:48 PM   #18
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is ground screw on light switch necessary


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Originally Posted by Techy View Post
This is only true because even canadian plastic boxes have a metal bonding strip for the mounting screws.




US boxes have no such provision., if the ground is not connected to the device, the device is not grounded. Unless you're using an all metal box.
Oh yeah definitely a different story if using a plastic box. I was thinking all metal ones. Those are more common so I've always used them.

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