{HEAD ~ The adapter} engages the light box and defines {TAIL ~ an interior cavity} to receive a ferruled fiber optic cable 
defines
{ HEAD ~ The adapter } engages the light box and defines { TAIL ~ an interior cavity } to receive a ferruled fiber optic cable
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH