at least one pair of electrodes, the ground member of said at least one pair of electrodes being in {HEAD ~ electrical communication} with {TAIL ~ electrical output} flowing through said analog switch 
with
at least one pair of electrodes , the ground member of said at least one pair of electrodes being in { HEAD ~ electrical communication } with { TAIL ~ electrical output } flowing through said analog switch
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH