28-07-2016, 08:16 AM
(This post was last modified: 28-07-2016, 08:16 AM by Murphyv310.)
(27-07-2016, 10:16 PM)ppppenguin Wrote: You'll want an isolating transformer with the variac in that setup otherwise the chassis will be at half mains voltage.
I'd like to think that the OP would realise this being an engineer Jeffrey!!!
Good advice of course to those contemplating this that are not aware of the implications of this method, having the variac wired straight into the mains!
