| 摘要 |
A track system of projector lamp and electrical connection device assembly thereof, particularly a track for projector lamp of 230V or higher voltage and its electrical connection device, having two longitudinal end sides respectively providing a set of power supply circuit connection system under a same track structure, respectively controlling power on/off, forming a composite electrical connection space and environment, facilitating more projector lamps to select, by means of electrical insert plates of electrical connection device, power supply circuit connection systems and same or different on/off control groups for electrical connection on the track system, to obtain on/off control of selected projector lamps on the track, which is different from a regular single track power supply circuit for merely full on or full off control.
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