RE: Control panel grounding

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Mccauley, Daniel H by way of Terry Fritz <teslalist-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>


Yes, ground them both to the panel ideally at the same point.
Chances are the ground cable in both is coming from the same point, but you
want to make
sure you still have the control panel grounded in the event either the
120VAC or 240VAC is
disconnected.  Safety issues really.

The Captain




 > Hi list,
 >
 > Wiring a control panel I have 240 and 120 coming in. I'll be
 > using only the
 > red and black from the 240 volt line to power a pig, the 120
 > will be used
 > for the contactor and other relays, lamps, etc.
 >
 > Each has a green wire. Do I connect both to the panel itself?
 >
 > thanks!
 >
 > Rick W.
 > Salt Lake
 >
 >