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, noncurrent-carrying conductive materials enclosing electrical conductors or equipment, or forming part of such equipment, shall be connected together and to the _____ to establish an effective ground-fault current path.

(a) ground

(b) earth

(c) electrical supply source

(d) none of these