{HEAD ~ a relay} having a coil connected to the collection terminal of the transistor and {TAIL ~ a switch} connected between the power output terminal and the power output socket 
having
{ HEAD ~ a relay } having a coil connected to the collection terminal of the transistor and { TAIL ~ a switch } connected between the power output terminal and the power output socket
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH