Vitaliy M wrote: > On Jul 11, 2014, at 10:26, Justin Richards wr= ote: > >=20 > > Earth and Neutral are connected > > together in the meter box where the power enters the house. >=20 > AFAIK this is not true in most cases, at least in North America. Earth is= a > separate conductor, connected to an earthing rod. It is MOST DEFINITELY TRUE in North America -- the neutral is REQUIRED to b= e bonded to earth at the main braker -- and ONLY at the main breaker. -- Dave Tweed --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .