3. Light damage should be turned off in time, change notice, in order to avoid because the light source can not start and make the ballast electrical components such as abnormal state for a long time.
Explosion-proof lamps should be checked from the nameplate and product manual before installation: explosion-proof type, category, level, group; protection level of the shell; installation method and fastener requirements for installation, etc. The installation of explosion-proof lamps should ensure that they are firmly fixed, the fastening bolts should not be arbitrarily replaced, and the spring washers should be complete. When installing the dustproof and waterproof sealing ring, place it as it is. At the cable entry, the cable and the sealing gasket should be closely matched, the cross-section of the cable should be round, and the surface of the sheath should not have defects such as unevenness. The excess wire inlet must be blocked according to the explosion-proof type, and the compression nut must be tightened to seal the wire inlet.