Jeremy Harris Posted June 6, 2016 Share Posted June 6, 2016 7 minutes ago, Alphonsox said: I thought in the general case using supplementary earth rods for PME was frowned upon. The argument being that you don't know anything about the number or condition of the Multiple Earths and hence in a fail condition your local rod could end up being the sole earth point for your street. PME ceased to exist many years ago now, and TN-C-S, which describes the system you have, allows for additional local earthing to lower Ze as required. Link to comment Share on other sites More sharing options...
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