F frank melillo Member Dec 19, 2009 #1 does a sds generator ground have to go back to a water main or can it just go to steel. like a transformer
does a sds generator ground have to go back to a water main or can it just go to steel. like a transformer
augie47 Moderator Staff member Location Tennessee Occupation State Electrical Inspector (Retired) Dec 19, 2009 #2 If it's truly a SDS (switched neutral) then 250.30(A)(7)
Smart $ Esteemed Member Location Ohio Dec 19, 2009 #3 frank melillo said: does a sds generator ground have to go back to a water main or can it just go to steel. like a transformer Click to expand... Either one... provided "steel" qualifies as an electrode, as not all building structural steel does.
frank melillo said: does a sds generator ground have to go back to a water main or can it just go to steel. like a transformer Click to expand... Either one... provided "steel" qualifies as an electrode, as not all building structural steel does.