I have done this also! I do have respect for Darwin. As long as a school bus full of kids is not anywhere near the well and it does not sound like a fault deep in the ground will start a wildfire. That was my reasoning at least!
Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ > Maybe I should clarify here that the wire type switches at the well head, > and that is the point at which the metal well casing is bonded to the EGC > running with the current carrying conductors to the supply circuit 20A > breaker. > > On Wed, Apr 26, 2017 at 7:09 PM, Rebekah Hren <rebekah.h...@gmail.com> > wrote: > >> Hey everyone, >> I'm replacing my old DC 24V shurflo well pump with a new Grundfos 15 >> SQ05-110. It's the 120V AC model. >> >> Question: The Shurflo required 2 wire cable with no ground, the Grundfos >> has black/white/green. >> >> Can anyone think of a good reason why I should replace 100' of expensive >> submersible flat jacketed pump cable to swap out for wire with an EGC >> running to the pump? The well casing is grounded and from the well >> casing >> to the supply breaker there is an EGC. >> >> I'm struggling to think of a good reason why I should replace the wire, >> (besides of course something in the NEC like 110.3(B)! There's no shock >> hazard that I can really figure out - if the pump itself were to have a >> ground fault, the metal well casing would be a fault current path of way >> less resistance than anywhere else the water might happen to flow >> (plastic >> pipe)? >> >> I've heard some stories on the internet about how ungrounded well pumps >> shocked people when they were pulled up for servicing and testing, >> but...that sounds more like a Darwin award candidate than a real safety >> hazard. >> >> Well, curious to hear opinions on this. >> Thanks, >> Rebekah >> >> -- >> Tel: 336.266.8800 >> NABCEP Certified Solar PV Installation Professional⢠091209-85 >> NC Licensed Electrical Contractor >> > > > > -- > Tel: 336.266.8800 > NABCEP Certified Solar PV Installation Professional⢠091209-85 > NC Licensed Electrical Contractor > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 _______________________________________________ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
