contactor position lines connect to {HEAD ~ said signal contacts} for transmitting {TAIL ~ information} about positions of the three phase contactors 
for transmitting
contactor position lines connect to { HEAD ~ said signal contacts } for transmitting { TAIL ~ information } about positions of the three phase contactors
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH