Which of the following statements is true about grounding metal raceways for conductors added to existing installations that do not contain an equipment grounding conductor?
A. The exception does not apply if the circuit contains an equipment grounding conductor.
B. The exception applies to runs more than 25 ft (7.6 m) long.
C. The exception applies if the conduit contacts grounded metal surfaces.
D. The exception applies if the conduit is subject to contact by persons.
A. The exception does not apply if the circuit contains an equipment grounding conductor.
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