Month: May 2021

DC Machines, troubleshooting and maintenance

1. DC Machine DC machine Conversions of one form of energy into another enables us to use natural power sources as well as manufactured power sources to produce our electrical power supply. Although electricity can be produced by friction, pressure, heat, light, chemical action and magnetism, the most common method used by large power producers …

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ELECTRICAL HAZARDS

1. PRIMARY HAZARDS: Electrical shock Burns-    (i) Joules burns        (ii)Flash over burns Fire and explosions-spark, static electricity 1.1. SECONDARY HAZARDS: Persons falling from height Dropping of tools and objects 1.2. SIDE RULE:             While working on any electrical equipment Switch off Isolate Discharge any static charges Earth the equipment for further safety 1.3. ELECTRICAL …

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