A bulb socket for receiving a bulb which has a plus electrode and a minus electrode comprises {TAIL ~ a socket housing}, {HEAD ~ a plus terminal} and a minus terminal 
A bulb socket for receiving a bulb which has a plus electrode and a minus electrode comprises { TAIL ~ a socket housing } , { HEAD ~ a plus terminal } and a minus terminal
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH