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