A backup ring, {HEAD ~ insulator support assembly}, {TAIL ~ contact shield}, and connection member are separately fabricated into a single modular member, which can by itself be subjected to the testing procedures normally undertaken at the factory 
A backup ring , { HEAD ~ insulator support assembly } , { TAIL ~ contact shield } , and connection member are separately fabricated into a single modular member , which can by itself be subjected to the testing procedures normally undertaken at the factory
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH