Ground fault circuit interrupters (gfcis): – safe electricity, Video prevention from shock hazards what is a gfci a ground fault circuit interrupter (gfci) can help prevent electrocution. if a person’s body starts to receive a shock, the gfci senses this and cuts off the power before he/she can get injured..
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Electricity kids – : simple, How electricity moves circuit. materials copper metal conduct electricity ( flow freely) called conductors.materials electricity pass readily, rubber plastic, called insulators..
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