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-   -   why are some power tools grounded and some are not? (http://www.diychatroom.com/f18/why-some-power-tools-grounded-some-not-160916/)

amakarevic 10-23-2012 12:01 PM

why are some power tools grounded and some are not?
 
i have a variety of power tools, some of them are grounded (3-prong plug) and some of them are not (2 prongs). what are the reasons for and against grounding when designing a power tool?

thanks

P.S.: ADMIN, please don't move this thread to tools because i think the people in this forum are more knowledgeable regarding this subject. thanks

SeniorSitizen 10-23-2012 12:25 PM

Possibly plastic insulation is less expensive to construct than a 3rd copper wire.

http://support.dewalt.com/app/answer...ed-power-tools

Jim Port 10-23-2012 12:28 PM

Tools that are double insulated are not required to be grounded.

amakarevic 10-23-2012 12:33 PM

both great answers. thanks


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