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afely 3) EFFECTIVE BODY RESISTANCE, the ability of the body to impede the planning flow of electricity. This includes dry/wet skin. k practi 4) TIME, the longer the electrical current disrupts the body's normal functions the greater the likelihood of injury or death. right 5) PATH TO EARTH, the severity of the injury will depend which parts of the body have had the current flowing through them. A shock to the chest or head is far more likely to cause serious injury that the same shock to a leg. you rk All these factors determine how severe the injuries will be. 1) Voltage level (driving force behind the current) unde ere 2) Method of contact (parts of body exposed to current) 3) Type of surface the victim is standing on (resistance to current flow) r 4) Amount of moisture on skin (resistance to current flow) 5) Type of shoes and clothing being worn (resistance to current flow) gise he (B) Another electrical hazard is ARC. When an electrical short circuit occurs causing an arc between metals the temperature can be 20000°C, approximately four times the surface temperature of the sun. A personstanding a few meters away from an arc can receive fatal burns. Ordinary clothing will burst in to flames instantly from such heat. The heat from an arc does not just melt metal, it vaporises it causing an enormous expansion in volume. 1 One important aspect of the arc hazard is that in some cases it is possible to generate a higher energy of arc from a low voltage source than from a high voltage source. This is because the amount of arc energy available is determined by the amount of short circuit current present and the amount of time required to clear the fault. Arc energy can cause: