grounding and bonding requirements

12. Which of the following statements about securing and protecting grounding electrode conductors is true?

A. There's no acceptable method to splice grounding electrode conductors together.

B. Grounding electrode conductors should not be installed on or run through wood framing members.

C. Grounding electrode conductors aren't required to comply with burial depths.

D. The electrical worker is typically responsible for judging whether a grounding electrode conductor is exposed to potential damage.

13. You're installing an underground service and using PVC conduit, but you decide to use a metal conduit 90 degree bend in place of a PVC bend. At what minimum distance below the soil line must the metal elbow be located for you not to have to ground the elbow?

A. 36 inches B. 30 inches C. 24 inches D. 18 inches

14. The grounding electrode conductor for a DC system will have that conductor sized no smaller than _______ AWG aluminum.

A. 12 B. 10 C. 6 D. 8