First, the lamp wiring mode (1) transformer I1-I2 is AC180VI1I3 is AC220V. (2) transformer I times 1, connected to the public terminal; The third stage of transformer I can be connected to the main wire connection terminal 2, or the auxiliary wire connection terminal 1, or the auxiliary lamp connection terminal 3. If the filament automatic switching device can automatically switch between the two lamps and the three wires.

II. Wiring Definition of Lamp Holder Terminal 1) The terminal marked "1" on the upper part and the auxiliary wire of the main lamp are lighted on the common end on the lower part. 2) The terminal marked "2" on the upper part and the common end on the lower part light up the main wire of the main lamp. The terminal marked "3" on the upper part and the common terminal on the lower part illuminate the auxiliary lamp. III. Dimension of Lamp Holder The lamp holder is installed in the M6 mounting hole under the colored glass of the aluminum alloy mechanism with M6 screws.