The predetermined dimension X of {HEAD ~ down feed tube} 106 will assure {TAIL ~ that end portion} 120 extends within wiring space 104 of fixture 94 
The predetermined dimension X of { HEAD ~ down feed tube } 106 will assure { TAIL ~ that end portion } 120 extends within wiring space 104 of fixture 94
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH