In {HEAD ~ a three phase power supply} with {TAIL ~ four wires}, the wires are coupled to three large star connected resistors having different resistance values 
with
In { HEAD ~ a three phase power supply } with { TAIL ~ four wires } , the wires are coupled to three large star connected resistors having different resistance values
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH