Transcription of Basic Electrical Safety
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Basic Electrical Safety
Electrical /elbasic1/1-95 Basic Electrical SAFETYPREFACEThe concepts discussed herein are intended to provide explanationand clarification of Basic Electrical Safety for individuals who havelittle or limited training or familiarity with the field of understanding of these principles is essential for comprehensionof OSHA's Electrical Safety OF CONTENTSTOPICPAGET heory of of of Electricity on the Human Workplace Protective Fault Circuit Department of LaborOSHA Office of Training and EducationELECTRICAL/elbasic1/1-951 THEORY OF ELECTRICITYWhat is Electricity?Though you cannot see electricity, you are aware of it every day. You see it used in countlessways. You cannot taste or smell electricity, but you can feel , there are two kinds of electricity - static (stationary) and dynamic (moving). Thismodule is about dynamic electricity because that is the kind commonly put to (dynamic) is characterized by the flow of electrons through a conductor. To understandthis phenomenon, you must know something about chemical elements and and AtomsElements are the most Basic of materials.
Current For electrons to move in a particular direction, it is necessary for a potential difference to exist between two points of the EMF source. The continuous movement of electrons past a given point is known as current. It is measured in amperes. The symbol for current is the letter I and for amperes, the letter A.
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