| 摘要 |
Arrangements and methods are provided for electrically and mechanically coupling a lighting arm to a wiring body. An exemplary arrangement includes a fixture arm, a wiring body, a socket, and a plug. The exemplary socket is affixed to one of the fixture arm and the wiring body, and includes a socket opening and at least one socket electrica l contact. The exemplary socket opening includes an outer end, an inner end, and a first mating portion on an internal surface of the socket opening. The exemplary plug is affixed to the other of the fixture arm and the wiring body, and includes a plug body and at least one plug electrical contact. The exemplary plug body includes an end portion, a side portion, an d a second mating portion disposed on the side portion. The second mating portion is configured to engage the first mating portion when the plug is coupled with the socket. Wh en 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 and the first mating portion is retained in engagement with the second mating portion.
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