11-09-2019, 09:04 PM
I did once see a photo of an isolated Variac.
It had a long E and I core with a primary wound on in several layers with a single layer low voltage isolated secondary over the top with a wiper on it.
They are very rare beasts indeed.
It had a long E and I core with a primary wound on in several layers with a single layer low voltage isolated secondary over the top with a wiper on it.
They are very rare beasts indeed.







