Power base adapter is a self-contained transformer and relay adaptor with a patent-pending technology that converts any Leviton low-voltage ceiling or wall sensor to line voltage. The OPB15-0DW conveniently mounts to a standard 2.125 inch deep x 4 inch octagon, 2.125 inch deep x 4 inch square electrical box with mud ring, or to 4 inch surface mount wire raceway boxes. It provides wire leads for simple connection to a line-voltage circuit and a two-part terminal block for fast, easy low-voltage connections to the sensor. The Power Base Adaptor is ideal for both existing buildings with limited access to wiring and new construction with line-voltage circuiting only. The OPB15-0DW offers the same performance features as Leviton’s OSP Power Pack Series. By providing the flexibility to install Leviton’s full line of low-voltage sensors in any application, the Power Base Adaptor is a problem solver that increases the versatility of Leviton’s low-voltage ceiling occupancy sensors.