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1. Inspection - the implementation of general inspections.
2. Check whether the junction box, the cable entry device, the isolation seal box, the diplomacy of the interferential connection pipe, the fastening screw, the anti-loosening device, the outer sheath, etc. meet the explosion-proof requirements.
3. Check the degree of corrosion of the casing of the motor, electrical appliance, instrument, and equipment body, check if the locking device of the fastening screw is normal, and whether the interlock device is in good condition.
4. The oil level indicator, oil drain device and gas discharge hole of the oil-filled explosion-proof electrical appliance shall be free from leakage and the outside shall not leak oil. The inclination of the women's clothing shall not exceed 5°C.
5. Positive pressure explosion-proof equipment in the internal air pressure or gas, should not be less than the equipment nameplate specified pressure breaker report system should be sensitive.
6. Check whether the cable is loose or detached and is harmed by rats, termites, or other small animals. Mechanical damage, vibration damage, and corrosive erosion. According to the installation environmental conditions, the moisture absorbing agent in the cable casing is often replaced or periodically drained.
7. In addition to the explosion-proof regulations, explosion-proof electrical equipment should be in accordance with the same general electrical equipment regulations.
Explosion-proof electrical professional inspection project
Explosion-proof electrical appliances are used in many potentially dangerous places, for which inspections are made out of routine maintenance. General inspections should also be carried out in the fourth quarter of each year. Its main content is: