If piping is underground, metal, and used for water, regardless of the type of water and whether for domestic use or irrigation, drainage, or fire protection purposes, it must be used as a(n) ____________________ if it is in contact with the earth for ten feet or more.
Correct Answer:
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Q1: The supplemental electrode is permitted to be
Q2: Bare aluminum or copper-clad aluminum grounding electrode
Q3: If a single rod, pipe, or plate
Q4: For large services, busbar may be used
Q5: _ copper is the largest grounding electrode
Q7: With bonding conductor connections to electrodes, connections
Q8: There is no maximum or minimum size
Q9: Where _ or more grounding electrodes are
Q10: Concrete-encased electrodes of existing buildings or structures
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