Electrical Safety Questions and Answers for Viva

Answer-1: Electrical safety refers to the practices, procedures, and precautions taken to prevent electrical hazards, accidents, and injuries associated with the use of electrical equipment and systems.

Answer-2: Electrical safety is important to prevent electrical shocks, fires, and other accidents that can result in injuries, fatalities, property damage, and disruptions to operations.

Answer-3: The main hazards associated with electricity include electric shock, arc flash, electrical burns, fires, explosions, and equipment damage.

Answer-4: Electric shock occurs when the body becomes part of an electrical circuit, typically due to direct contact with an energized conductor or equipment, resulting in electrical current passing through the body.

Answer-5: The severity of an electric shock depends on the magnitude of the current, the duration of the exposure, the path the current takes through the body, and the individual's resistance to the current.

Answer-6: Electrical grounding provides a path of least resistance for fault currents to flow to the earth, reducing the risk of electric shock and ensuring the proper operation of protective devices such as circuit breakers and fuses.

Answer-7: An arc flash is a high-temperature explosion caused by an electric arc or short circuit between energized conductors, resulting in intense heat, light, pressure, and the release of molten metal and debris.

Answer-8: Arc flash incidents can be prevented by implementing proper electrical safety procedures, using appropriate personal protective equipment (PPE), conducting arc flash hazard analysis, and following equipment maintenance and inspection protocols.

Answer-9: The basic principles of electrical safety include de-energizing equipment before working on it, using lockout/tagout procedures, verifying the absence of voltage, wearing appropriate PPE, and following safe work practices and procedures.

Answer-10: Lockout/tagout procedures are used to ensure that equipment and machinery are safely de-energized and isolated from energy sources before maintenance, servicing, or repair work is performed, preventing accidental energization and injuries.

Answer-11: PPE, such as insulated gloves, safety glasses, arc flash suits, and hearing protection, is used to protect workers from electrical hazards by providing a barrier against electric shock, arc flash, burns, and other risks.

Answer-12: Regular inspection and maintenance of electrical equipment are essential to identify and address potential hazards, ensure proper functioning, detect signs of wear or damage, and comply with safety regulations and standards.

Answer-13: When working in wet or damp conditions, it is essential to use insulated tools and equipment, wear appropriate PPE, avoid contact with wet surfaces, and de-energize equipment if possible to minimize the risk of electric shock.

Answer-14: The safe approach distance from energized electrical equipment depends on the voltage level and is specified by safety standards and regulations. It is essential to maintain a safe distance to prevent accidental contact and electric shock.

Answer-15: In the event of an electrical accident or injury, it is crucial to de-energize the equipment if safe to do so, provide first aid and medical assistance as needed, report the incident, and investigate the root causes to prevent future occurrences.

Answer-16: When working in confined spaces, it is essential to ensure adequate ventilation, monitor atmospheric conditions for hazards such as flammable gases or oxygen deficiency, and follow confined space entry procedures, including lockout/tagout and rescue protocols.

Answer-17: Electrical safety in the workplace can be promoted through employee training and education, implementing safety policies and procedures, conducting risk assessments and audits, providing appropriate equipment and PPE, and fostering a culture of safety.

Answer-18: When working outdoors, it is essential to be aware of overhead power lines, use insulated tools and equipment, protect electrical connections from moisture and environmental exposure, and take precautions against lightning strikes and weather-related hazards.