Effects of Electrical Shock
Current is the killing factor in electrical shock. Voltage is important only in that it determines how much current will flow through a given body resistance. The current necessary to operate an l0 W light bulb has eight to ten times more current than the amount that would kill a lineman, that is, if it actually breaks through skin and body resistance and current of this amperage flows in the body. A voltage of 120 V is enough to cause a current to flow which is many times greater than that necessary to kill. Currents of 100 to 200 mA cause a fatal heart condition known as ventricular fibrillation for which there is no known remedy.
TABLE 13.4
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