{TAIL ~ An electrical conductor} connected with the sliding brush can extend through {HEAD ~ the housing}, for example through the housing cover 
{ TAIL ~ An electrical conductor } connected with the sliding brush can extend through { HEAD ~ the housing } , for example through the housing cover
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH