The loads are coupled to the pulsed, primary source by {HEAD ~ a pair} of {TAIL ~ conductors} 
of
The loads are coupled to the pulsed , primary source by { HEAD ~ a pair } of { TAIL ~ conductors }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL