Question
Explain the causes of electrical accidents in industries. Discuss electrical
hazards and suitable preventive measures for ensuring workplace safety.
Answer :
Word Count : 1424
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Skip in 10
Electrical accidents are among the major occupational hazards in industries because electricity is widely used for operating machines, lighting, heating, welding, material handling, control systems and various production processes. Electrical accidents can result in electric shock, burns, fires, explosions, equipment damage, serious injuries and fatalities. In industrial environments, the risk becomes greater because workers may come into contact with high-voltage systems, damaged equipment, conductive materials, wet surfaces and complex electrical installations. Effective electrical safety management therefore requires identification of hazards, proper installation and maintenance, safe work practices, employee training and continuous monitoring. One of the important causes of electrical accidents is faulty electrical equipment and installations. Damaged cables, loose connections, broken plugs, defective switches, exposed conductors and poorly maintained distribution boards can expose workers to live electrical parts. Aging insulation may crack or deteriorate because of heat, chemicals, moisture or mechanical stress. When electrical equipment is not inspected regularly, such defects may remain unnoticed and eventually cause shock, short circuits or fires. Overloading of electrical circuits is another common cause. When too many machines or appliances are connected to a circuit beyond its rated capacity, excessive current flows through conductors. This produces heat and may damage insulation, melt cables or start a fire. The use of unsuitable extension cords, multiple adapters and temporary electrical connections can further increase the risk. Short circuits and insulation failure can also lead to serious accidents. A short circuit occurs when electrical conductors come into unintended contact, producing a very high current. This can generate intense heat, sparks and arcs. If combustible materials or flammable vapours are present, an electrical spark may cause an industrial fire or explosion. Poor grounding and earthing is another significant cause of electrical accidents. Electrical equipment with metal bodies should be properly connected to an effective earthing system so that fault current can safely flow to the ground and protective devices can disconnect the supply. If earthing is absent, damaged or improperly designed, the metal body of a machine may become electrically live. A worker touching it can receive a severe electric shock. Human error is also a major contributing factor. Workers may operate equipment without adequate knowledge, ignore safety procedures, work on energized circuits, use improper tools or fail to recognize warning signs. Accidents may occur when employees bypass safety interlocks, remove protective covers or use electrical equipment for purposes for which it was not designed. Fatigue, haste, poor supervision and inadequate communication can increase the likelihood of unsafe actions. Unauthorized or unqualified electrical work presents a particularly serious risk. Electrical installation, repair and maintenance require appropriate technical knowledge and competence. If an inexperienced person attempts to repair a live
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