J jsun9 Member Location pa Apr 21, 2018 #1 So practically, in which cases, the 200% neutral or isolated ground or combined would take into consideration?
So practically, in which cases, the 200% neutral or isolated ground or combined would take into consideration?
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician (retired) Apr 21, 2018 #2 200% neutrals are typically used for high harmonic circuits where the current can become additive in the neutral. IG's are pretty much obsolete and IMO a waste of money.
200% neutrals are typically used for high harmonic circuits where the current can become additive in the neutral. IG's are pretty much obsolete and IMO a waste of money.
ptonsparky Tom Location NE (9.06 miles @5.9 Degrees from Winged Horses) Occupation EC - retired Apr 21, 2018 #3 They serve different purposes. I guess I don’t understand the question.