Answers
Electrical Shock - Answer-Sensation and muscular spasm cause when electric current
passes through the body
Voltage - Answer-Potential of electric energy; pressure of electrons pushing away from
each other
Current - Answer-Flow of electrons
Most dangerous paths - Answer-Hand to hand & left hand to either foot
Factors affecting shock - Answer-Amount of current, path of current, amount of body
resistance, length of time current flows in body
3 ways to prevent shock - Answer-Isolate, insulate & ground
Grounding conductor - Answer-Used to form a low resistance path from the ground to
the metallic tool case
12MA - Answer-Minimum AC current required to cause severe muscle contractions
The body - Answer-Acts like a conductor when it becomes part of a circuit
5xs - Answer-How much more DC is required to freeze the body rather than AC
Burns - Answer-Electrical burns, arc burns, thermal contact burns
Electrical burns - Answer-Electrical current flowing through tissue or bones
Arc burns - Answer-High temperatures near the body produced by electric arc or
explosion
Thermal contact burns - Answer-When skin comes in contact with hot surfaces of
overheated electrical conductors
Electrical Arcs - Answer-Where short circuit occurs; may cause fires
Extremely high arcs - Answer-Damage equipment dispersing metal fragments
Low energy arcs - Answer-Explode containing flammable gas, vapors, or combustible
dusts