8. You're installing type AC cable. The armor coating of type AC cable is allowed for use as an equipment grounding conductor (EGC) because of its A. liquid-tight fittings listed for EGC purposes. B....

8. You're installing type AC cable. The armor coating of type AC cable is allowed for use as an equipment
grounding conductor (EGC) because of its
A. liquid-tight fittings listed for EGC purposes.
B. interlocking ribs that form a complete circuit.
C. internal bare bonding strip.
D. internal bare aluminum bonding conductor.