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ELECTRIC SHOCK What is it? Your body is an electrical conductor and a current will flow through it when you touch a live conductor and make a connection to earth. Most electric shocks occur because of earth faults, i.e. the earth conductor on an appliance is either broken or not connected. So in case of direct contact between the live conductor and the casing of the appliance the casing will be live. Anyone touching the casing would become the earth conductor and will suffer a very severe electric shock. The severity of an electric shock The severity of an electric shock depends on three factors: the strength of the current, which is determined by the voltage, the body’s electrical resistance and the resistance of the floor covering. The body’s resistance depends on the state of health, age, dampness of skin etc. It also depends on the length of time the current flows. The current will flow through the body and affect the central nervous system, the muscles and the heart. It may produce muscular spasm, a restriction of breathing, a failing heart beat or nasty burns where the current enters and leaves the body. Action to be taken You should immediately cut off all electricity or if that’s not possible, pull the casualty clear with a dry insulator, like rubber gloves, a rope, a folded newspaper etc. Also, you should stand on a dry, non-conducting surface like a rubber mat for example. But you should by no means touch the casualty’s bare skin or use a metal object. In case of severe burns you should cool the burn in slow running water. One mustn’t apply oil or grease on the burns as they will seal off the wound. Burnt clothing stuck to the flesh mustn’t be removed. 1. 2. 3. 4. 5. Milyen esetekben következik be áramütés? Mitől függ az áramütés súlyossága? Milyen hatásai lehetnek a szervezetre? Mit kell tennünk, ha a jelenlétünkben áramütés ér valakit? Mit nem szabad tenni ilyen esetben?