“Aw, Mom, I’ve done this before, and I know how to replace a simple outlet,” answered Tony.
“Are you sure you turned off the right circuit breaker?” asked his mother.
“Sure. But it wouldn’t matter. Nobody gets hurt on just 120-volt house current.”
Wrong, Tony! Improper use of electrical equipment on a house wiring circuit can transmit a fatal current or cause a serious burn. The severity of electrical injuries is determined by these factors: voltage, current, resistance, and the duration of contact with the current. The voltage Tony referred to is not the most important factor. It is the current that causes the greatest damage. The …