Interior metal water piping that is electrically continuous…

Interior metal water piping that is electrically continuous with a metal underground water pipe electrode and is located more than _____ ft from the point of entrance to the building shall not be used as a conductor to interconnect electrodes of the grounding electrode system.

Electrically conductive materials that are likely to _____ i…

Electrically conductive materials that are likely to _____ in ungrounded systems shall be connected together and to the supply system grounded equipment in a manner that creates a low-impedance path for ground-fault current that is capable of carrying the maximum fault current likely to be imposed on it.