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1. According to the actual lighting needs of the work site, determine the installation position and method of the lamps and ballasts, and then prepare three core cables of corresponding lengths according to the distance from the lamps to the ballast contacts and the distance from the ballast to the 220V power contacts (cables provided with the lamps can be used if the distance does not exceed 2 meters).

2. When the distance between the lamp and the ballast contact exceeds 2 meters, the three core cable needs to be replaced. Use an Allen wrench to unscrew the six hex bolts on the lamp housing, pull out the lamp body, remove the three core cable that comes with the lamp, and then connect the prepared three core cable according to the original wiring method.

3. Use a socket wrench to unscrew the fastening bolts on the ballast box cover, remove the box cover, and introduce one end of the three core cable of the lamp into the ballast chamber through the introduction device of the ballast output port. Connect the red, black (or blue), and yellow green wires to the 4th, 5th, and 6th terminals of the ballast respectively, and then tighten the compression nut.

4. Insert one end of the prepared three core power cable into the ballast chamber through the introduction device of the ballast input port, and then connect the L wire (live wire), N wire (neutral wire), and ground wire to the wiring terminals of positions 1, 2, and 3 of the ballast respectively, and tighten the clamping nut.

5. Close the ballast box cover and tighten the fastening bolts, then connect the other end of the three core cable to a 220V power supply according to explosion-proof requirements.

6. When replacing a light bulb, first cut off the power, check if the hanging chain is properly attached, and then use an Allen wrench to unscrew the six hexagon bolts on the light housing. Carefully pull down the light body to separate it from the lamp head housing, unscrew the old light bulb and replace it with a new one.