Patent ID: 6501233
Filing Date: 2002-12-31
Classification: H05B

Abstract:
A sports lighting system for a large area at which a sporting event occurs, comprising:a plurality of light structures located at the large area to illuminate at least that portion of the large area where the sporting event occurs a lighting control unit disposed at the large area, the lighting control unit including: a housing providing a protected cavity; a main circuit breaker disposed in the cavity of the housing and connected to a three-phase power main; a three-phase power bus disposed in the cavity of the housing and connected to the main circuit breaker; a plurality of power connector modules connected to the three-phase power bus in the cavity of the housing; and a master on/off control connected to the power connector modules; and respective sets of electrical conductors for each of the plurality of light structures, wherein each respective set connects to a respective one of the power connector modules of the lighting control unit and to lighting on the respective light structure such that electrification of lighting on all the light structures occurs through the lighting control unit; wherein each power connector module includes: a mounting member that mounts the respective power connector module as a unit in the housing such that the entire respective power connector module is removable and replaceable as a unit; a breaker unit connected to the mounting member and to the three-phase power bus; a contactor unit connected to the mounting member and to the breaker unit and to the master on/off control, wherein the contactor unit includes a relay coil; two wires connected to the relay coil and disposed on the mounting member to provide electrical connection from the master on/off control to the relay coil; and landing lugs connected to the mounting member and to the contactor unit and the respective set of electrical conductors.