Hello, I'm up here in Canada and indeed we have single-phase. Was thinking 3 phase because of the 3 wires - brain fart. Anyway, to measure the current can I put the "clamp on" device in series with any wire? Regards, Donovan > Donovan submits this for piclist perusal: > > Hello, > > > > Thanks for all the help. Another question: how do I measure the current > > from a 3-phase, 120Vac voltage source (i.e. a wall plug-in)? > > I don't know where you live, but here in the US, the 120VAC electricity that > you would find in a home is single-phase. But, if that is the type of > current you wish to measure, I suggest you get a "clamp on" type device. > This will save you much trouble and danger. > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.