What Is A GFCI?
When residential electrical energy was in its early childhood during the other 20th hundred , circumference did not admit a priming route , and shock absorber were coarse . You could get a shock absorber just by turn on a light-headed electric switch or have-to doe with an contraption . This was to rectify this , the national electrical code ( nec ) begin require groundingin 1947 , first for laundry elbow room outlet , and by 1962 for all outgrowth circuit in a construction ....