Multiple Choice
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
Correct Answer:
Verified
Q8: Explain the reason that baseboard heating manufacturers
Q9: Baseboard heating units can be controlled by
Q10: The maximum current and voltage rating permitted
Q11: When Class 2 control wiring is used
Q12: The total load of an air conditioner
Q14: Explain how NEC 422.11 affects selection of
Q15: The total load of an air conditioner
Q16: List at least three advantages of electric
Q17: For ease of identification, NEC 424.35 requires
Q18: Match the following abbreviations used for current