A power consumer or collector 49 , for example, a fan blower or {TAIL ~ an onboard battery}, is connected electrically via {HEAD ~ electrical cables} 50 to the roof side contacts 42 
A power consumer or collector 49 , for example , a fan blower or { TAIL ~ an onboard battery } , is connected electrically via { HEAD ~ electrical cables } 50 to the roof side contacts 42
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH