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| Re: Fourth Rails and Safety (832224) | |||
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Re: Fourth Rails and Safety |
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Posted by SelkirkTMO on Fri Sep 11 20:26:34 2009, in response to Re: Fourth Rails and Safety, posted by MGL on Fri Sep 11 20:06:02 2009. Sure is ... and very common in most DC electronics. Rare for traction of course, but quite common in DC systems. And where the two polarities returned was called "common" and truly "ground."
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