True or False: Grounding an electrical system limits the rise in potential on the neutral, metal structures and noncurrent-carrying electrical equipment.

• A. True
• B. False
• C. Not specified
• D. Not applicable

Answer: (A)

Grounding gives a low-impedance path to earth and fixes exposed metal parts at or near earth potential. By bonding the neutral to earth at the service point, the system has a stable reference so the neutral doesn’t float. When a fault occurs, fault current flows through the grounding path back to the source, and the impedance of the path limits how high the voltage can rise on the neutral, metal structures, and noncurrent-carrying equipment. This keeps exposed parts from reaching dangerous potentials and allows protective devices to interrupt the fault quickly. So, grounding the system indeed limits the rise in potential on those parts.