Question
Explain the causes of electrical accidents in industries. Discuss electrical
hazards and suitable preventive measures for ensuring workplace safety
Answer :
Word Count : 1097
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Skip in 10
Electrical accidents in industries are a major occupational safety concern because electricity is widely used for operating machines, lighting, heating, welding, material handling, control systems, and other industrial processes. Electrical accidents may result in electric shock, burns, falls, fires, explosions, equipment damage, permanent disability, or death. Most electrical accidents are preventable when electrical systems are properly designed, installed, operated, inspected, and maintained and when workers follow established safety procedures. One of the major causes of electrical accidents is contact with exposed or live electrical parts. Workers may accidentally touch energized wires, terminals, busbars, switches, or defective equipment. Damaged insulation, loose connections, broken cables, and uncovered electrical panels increase the possibility of direct contact with live conductors. Such contact can allow electric current to pass through the human body and cause electric shock. Faulty electrical equipment is another important cause. Machines, motors, generators, transformers, welding equipment, portable tools, and electrical appliances may become unsafe because of poor design, ageing, inadequate maintenance, or mechanical damage. Defective switches, damaged plugs, broken cords, and malfunctioning protective devices can create dangerous conditions. Overloading electrical circuits can also produce excessive current, overheating, insulation failure, and fire. Improper earthing or grounding is a serious cause of electrical accidents. Proper earthing provides a low-resistance path for fault current and helps protective devices operate quickly. If equipment is not properly grounded, a fault may cause the machine's metal body to become energized. A worker touching it may then receive a severe electric shock. Poor earthing is particularly hazardous in damp industrial environments. Short circuits are another frequent cause of electrical accidents. They can occur when conductors with different electrical potentials come into unintended contact. Short circuits produce high currents, heat, sparks, and sometimes arcs. These effects can cause fires, explosions, equipment damage, and serious burns. Electrical fires can become especially dangerous where flammable liquids, gases, dust, or combustible materials are present. Overloading and improper use of electrical equipment also contribute significantly to accidents. Connecting too many devices to one circuit can exceed its rated capacity. Similarly, using equipment for purposes for which it was not designed can cause overheating and failure. Temporary wiring and unauthorized modifications may further increase the risk. Human error is an important factor in industrial electrical accidents. Workers may lack adequate knowledge about electrical hazards or may ignore established safety procedures. Failure to switch off power before maintenance, careless handling of electrical tools, working on energized circuits without authorization, and failure to use personal protective equipment can result in serious injuries. Fatigue,
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