There is no neutral in the machine, only L1 L2 and GND. The Neutral for the house is bonded to ground at the panels. I'm getting 120v from the step down transformer for the machine.
JT On 12/26/2015 5:40 PM, Bertho Stultiens wrote: > On 12/27/2015 12:22 AM, John Thornton wrote: >> It's single phase 240v but no neutral, each leg is hot 120v and if >> measured to ground you get 120v. Measured between the two hots you get >> 240v. > Ah, it is a two-phase system (because you still have a neutral). Each > phase is 180 degrees apart from each other. > > The generation of the two phases comes from a transformer with a > center-tap denoted as neutral N. Is the neutral floating or connected to > earth locally (where it enters the house) or maybe at some farther away > tranformer-station? > > I think you need to make a complete drawing for all devices on the > system where you enter with four wires: L1, L2, N and Earth. Then show > the path for each. This would give better insight into possible > couplings other than loops. > > ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users