Unformatted text preview: this aspect of etectricaI safety. You might thjnk that etectrjcaI jnjury is due to burrs. However, that is not the case, The most common etectricat jnjury js to the n€rvous system. Nerves use etectrochernical signats, and etectrjc currents can disrupt those signats. When the current path jnctudes onLy sketetaI musctes, the effects can inctude temporary paratysis (cessation of neruous signats) or involun-tary muscle contractions, which are generalty not fife threatening. Howevet when the current path jncLudes nerves and muscLes that controL th€ supply of oxygen to the brain, the problem js much more se ous. Temporary paral ysis of these musctes can stop a pe6on from breathing, and a sudden mus-cLe contraction can disruDt the siona[s that reoutate heartb€at. The resutt is...
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- Spring '07
- 1 30 w, 2 10 w, 4 0w, e c, iotal p ower, otal p ower