Mike Holt's 2017 NEC Code Graphic and Question of the Day

This image is based on the 2017 NEC©

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NEC® Code Quiz Question of the Day

For grounded systems, electrical equipment and electrically conductive material likely to become energized, shall be installed in a manner that creates a low-impedance circuit capable of safely carrying the maximum ground-fault current likely to be imposed on it from where a ground fault may occur to the _____.

(a) ground

(b) earth

(c) electrical supply source

(d) none of these