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