1, according to the actual job site lighting needs to determine where and how the lighting installation, and then press the lamp away from the 220V power supply contacts to prepare the corresponding three-core cable length (as used in the steel wire will be introduced in three core cable pipe to lighting installation place). 2. Remove the retaining screw first explosion distribution box factory wiring chamber and pull out the terminal part of the junction box; remove seals and fittings (with set screws) from the box, turn into the cable jacket; then three core One end of the cable access identifier respectively box "L", "N" and the ground at the line card with the pressure-proof cable distribution box after pressing and fastening screws Well, then tighten fittings, compression seals and tighten the screws from the sides tightly. 3, step 2 parts screwed steel bxmd51 proof distribution box, fitted with a locking set screw from the side, and then the lamp body along the rail into the junction box, and then tighten the screws on the tight panel. 4. Finally, the other end of the three-core cable distribution box according to the requirements of proof connected to 220V power supply. 5, explosion-proof power distribution cabinet to replace the lamp, first cut off the power, then remove with a hex wrench set screws on the housing, with a large screwdriver or other tool to loosen the lamp cover 6 laps, then carefully hand lamp cover slowly removed, unscrew the old light bulb replaced with a new bulb. Residual current device selection. Must be selected in line with GB 6829 "General requirements for residual current operated protective device" standard, and by the China Certification Committee for Electrotechnical certified products. Optional similar LJM (J) series energy-saving type, and is the low sensitivity of delay protection. Way protection device to comply with national GB13955-2005 "residual current operated protective devices to install and run" standard. Leakage protection breaking time, when the leakage current is rated leakage current, the operating time should not exceed 0.s. Bxd51_ Zhejiang explosion-proof distribution box distribution box _ known manufacturers Koretoyo provided by Zhejiang Koretoyo explosion-proof electrical Ltd. Tianjin Office. Zhejiang Koretoyo explosion-proof electrical Ltd. Tianjin Office (#) (http://www.tjfangbao.com) to provide "proof lighting, explosion-proof motors, explosion-proof distribution box, explosion-proof switch, explosion-proof junction box" business, the company has "Koretoyo" brands. Focus on the explosion-proof lighting and other industries, have higher visibility in Tianjin. Welcomes inquiries, contact: Ni Jianying. You can also access (http://www.tjfangbao.com/supply_details_42365696.html), for more information about the company.