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| Re: Fourth Rails and Safety (832236) | |||
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Re: Fourth Rails and Safety |
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Posted by Jackson park B Train on Fri Sep 11 21:33:01 2009, in response to Re: Fourth Rails and Safety, posted by SelkirkTMO on Fri Sep 11 20:28:53 2009. disagree. article sometime back reccomending a small DC current on AC building ground so as not to have the driven rod 'give away' metal. Also note, per the NECode all metallic piping in a building must be 'bonded' thus the gas, hot water, cold water electrically connected. However, this is building side of the meters which are electrically isolated so no juice should flow to the utility system gas pipes. |
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