{HEAD ~ A voltage divided network} 18 comprising serially coupling resistors R1, {TAIL ~ R2} is connected in shunt with the resistive load RL and is used to provide a sense voltage on line 17 for the controller 14 
{ HEAD ~ A voltage divided network } 18 comprising serially coupling resistors R1 , { TAIL ~ R2 } is connected in shunt with the resistive load RL and is used to provide a sense voltage on line 17 for the controller 14
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH