said holding unit comprises a groove formed at {HEAD ~ an end portion} of said cover insulator and adapted to receive the end portion of {TAIL ~ said cable} inserted therein 
said holding unit comprises a groove formed at { HEAD ~ an end portion } of said cover insulator and adapted to receive the end portion of { TAIL ~ said cable } inserted therein
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH