Code Quiz: Suspended-Ceiling, Low-Voltage, Power-Grid Distribution Systems
NEC requirement for grounding the load side circuits for suspended ceiling low-voltage power grid distribution systems that are supplied by a Class 2 power source
What is the requirement for grounding the load side circuits for suspended ceiling low-voltage power grid distribution systems that are supplied by a Class 2 power source?
A) Install a 16 AWG equipment grounding conductor in every circuit.
B) Install a 14 AWG equipment grounding conductor in every circuit.
C) Install a 12 AWG equipment grounding conductor in every circuit.
D) The load side circuits shall not be grounded.
Find the Answer
Answer: D
As noted in Sec. 393.60(B), the load side circuits shall not be grounded.
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].