Code Quiz: Equipotential Planes & Agricultural Buildings
ln agricultural buildings, an equipotential plane (per definition), is intended to _______ within the plane and between the planes, the grounded equipment, and the earth.
A) prevent shock
B) equalize stray currents
C) minimize voltage differences
D) All the above
See the answer below.
Answer: C
Article 547 of the 2017 NEC covers the requirements for agricultural buildings. As per Sec. 547.2, the definition of an equipotential plane is shown as: “ln agricultural buildings, an equipotential plane (per definition), is intended to minimize voltage differences within the plane and between the planes, the grounded equipment, and the earth.”
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].
