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Electrical Components Approximately one out of every four industrial emergencies is of electrical origin. They are caused by short circuit fault or by arcs and sparks from damaged or defective components.Care must be taken not to damage insulation to plant wiring,cables,welding leads, and drop cords. Don't use plugs that are cracked or have the outer insulation pulled away. Don't overload an outlet. Operation of Machinery and Equipment Operators of mechanical equipment have a special responsibility to themselves and others with respect to safety. Operators should be alert to the following: • Variations in the operating pressure and temperature of equipment from the levels recommended by the manufacturers • Potential sources of ignition from cutting, welding. faulty wiring, friction(due to such factors as belts operating at the wrong tension or poorly lubricated bearings); and mechanical sparks caused by the moving metallic parts of a faulty or poorly maintained machine. • Corrosion of motor parts, or build up of dust or lint around machinery. • Leakage of lubricants from motors or drip pans onto floors and walls • Each of those is a Potential Hazard it must be corrected immediately! Faulty Materials and Equipment As part of the normal operating procedures, there will be regular inspection, maintenance and repair of equipment (including the equipment installed on heat producing equipment)to prevent accidental ignition of combustible materials. The following procedures will be observed: • The inspections will check for properly operating valves; electrical wiring and motors, ventilating, heating and air conditioning equipment. Flues and vents must be kept free of dirt and combustibles. A strict maintenance schedule will be observed for such items as motors, switches, wiring, fans, bearings, chains and conveyor belts. The plant will be monitored regularly with a flammable vapor indicator to detect any potentially dangerous conditions. Fire doors will be checked so they can move freely and close tightly. • Combustible wastes will be removed from the building every day and more frequently if necessary. Safe shutdown procedures must be followed at the end of a workday or in an emergency.