D domnic Senior Member Occupation Electrical Contractor Sep 25, 2009 #1 Can i use a service panel with a three pole main breaker. for a corner grounded delta?
don_resqcapt19 Moderator Staff member Location Illinois Occupation retired electrician Sep 25, 2009 #2 domnic said: Can i use a service panel with a three pole main breaker. for a corner grounded delta? Click to expand... Yes, but the breakers have to be rated 240 and not 120/240. The grounded conductor still has to be in compliance with Article 200.
domnic said: Can i use a service panel with a three pole main breaker. for a corner grounded delta? Click to expand... Yes, but the breakers have to be rated 240 and not 120/240. The grounded conductor still has to be in compliance with Article 200.
D domnic Senior Member Occupation Electrical Contractor Sep 25, 2009 #3 corner grounder delta corner grounder delta HOW can it be complaint with article 200 when the grounded conductor is landed on a over current device .
corner grounder delta corner grounder delta HOW can it be complaint with article 200 when the grounded conductor is landed on a over current device .
LarryFine Master Electrician Electric Contractor Richmond VA Location Henrico County, VA Occupation Electrical Contractor Sep 26, 2009 #4 domnic said: HOW can it be complaint with article 200 when the grounded conductor is landed on a over current device . Click to expand... Because all conductors will open simultaneously.
domnic said: HOW can it be complaint with article 200 when the grounded conductor is landed on a over current device . Click to expand... Because all conductors will open simultaneously.