NEC 422.12 on central heating equipment requires that ____.
A) electric furnace overcurrent protection be provided by fuses only
B) central heating equipment be provided by a separate branch circuit
C) electric furnaces be grounded according to the requirements of Article 250
D) a disconnecting means be provided for central heating equipment
Correct Answer:
Verified
Q7: Explain how NEC 422.11 affects selection of
Q8: The article that covers cord-and-plug connected air
Q9: The disconnect for motor-driven appliances having a
Q10: Explain what the NEC requires for a
Q11: The disconnecting means and branch circuit conductors
Q13: The NEC permits flexible cords to be
Q14: Although two-wire cables, such as Type NM
Q15: Baseboard heating units can be controlled by
Q16: The air-conditioner load shall not exceed _
Q17: A receptacle is not required for one
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