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Re: New coiler, also in search of 15kv

Original poster: Don Murray <don@xxxxxxxxxxxxxxx>

Tesla list wrote:
Original poster: DRIEBEN@xxxxxxxxxxxxxxx
That would be (G)round (F)ault (I)nterruptor.
All of the newer NSTs must be equipped with this
safety feature, according to UL. This feau-
ture quickly shuts down the output high voltage
if it detects that there is any leakage to ground.

I think the way they work is they continually monitor current on the hot leg and neutral and if they become different, it shuts down.