97catintenn
Senior Member
- Location
- Columbia, TN
How many surge arresters are need for a four wire 3 phase system?
I looked at ART 280.3 Number Required....surge arrester shall be connected to each ungrounded conductor
and I answered 3. Is that correct?
I looked at ART 280.3 Number Required....surge arrester shall be connected to each ungrounded conductor
and I answered 3. Is that correct?