As shown in FIG 3a, the electrical signal cable 45 has {HEAD ~ at least one, and preferably a plurality of, centrally located conductors} 49 which run along {TAIL ~ the longitudinal axis} 47 of the cable 45 
run along
As shown in FIG 3a , the electrical signal cable 45 has { HEAD ~ at least one , and preferably a plurality of , centrally located conductors } 49 which run along { TAIL ~ the longitudinal axis } 47 of the cable 45
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH