| 摘要 |
An improved lamp, holder and adapter are provided, the lamp including an elongated body and lamp bases at each end of the body, and the holder for the lamp comprising a frame and a pair of end sockets adapted to receive the lamp bases. Each lamp base includes a plug carrying a pair of spaced electrical conductors for detachable connection to corresponding conductors within the end sockets, the latter being connected to a suitable source of electric current. At least one of the sockets includes an irregularly shaped socket recess, and at least one of the lamp plugs has a groove therein. An adapter element is provided interposed between the grooved lamp plug and the socket having the irregularly shaped recess, with the adapter carrying a tongue on one side sized and shaped to lockingly nest within the plug groove and having its opposite side shaped complementary to the socket recess for locking mating engagement therewith. Several lamp plug groove shapes and arrangements are described.
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