Patent ID: 7387522

Claim:
An arrangement for electrically and mechanically coupling a lighting fixture arm to a lighting fixture wiring body, the arrangement comprising: a lighting fixture arm; a lighting fixture wiring body; a socket, affixed to one of the fixture arm and the wiring body, the socket comprising: a socket opening having an outer end, an inner end, and a first mating portion on an internal surface of the socket opening; and at least one socket electrical contact; and a plug, affixed to the other of the fixture arm and the wiring body, the plug comprising: a plug body having an end portion and a side portion; a second mating portion, disposed on the side portion of the plug body, the second mating portion being configured to engage the first mating portion when the plug is coupled with the socket; and at least one plug electrical contact disposed on the plug body; and wherein when the plug is inserted in the socket, the plug and the socket are configured such that the plug is rotatable from an inserted position to a retained position in which the at least one plug electrical contact engages the at least one socket electrical contact to electrically couple the arm to the wiring body and the first mating portion is retained in engagement with the second mating portion to mechanically couple the arm to the wiring body.