The primary winding is energized across {TAIL ~ the first lead} and {HEAD ~ the second lead} and the secondary winding is energized across the second lead and the third lead 
The primary winding is energized across { TAIL ~ the first lead } and { HEAD ~ the second lead } and the secondary winding is energized across the second lead and the third lead
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH