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