Question: Electrically conductive materials such as metal piping systems and interconnected structural metal building frames that are likely to become energized shall be connected together and
Electrically conductive materials such as metal piping systems and interconnected structural metal building frames that are likely to become energized shall be connected together and to the in a manner that establishes an effective groundfault current path.
a electrical supply source or service
b ground rod
c overcurrent device
d utility meter
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