| 摘要 |
An interposer adapted to interrupt the power source of a streetlight and intervening between an existing photo-controller and the streetlight with a lamp connected to a power line, the interposer having a body having a top and a bottom, the top of the body having an electrical receptacle, the bottom of the body having an electrical plug, the body containing a microprocessor and a load switch connected to the main power line and lamp, wherein the microprocessor instructs the load switch to selectively connect and disconnect the power line and the lamp, or to dim a multi-level lighting device.
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