To meet the requirements of NEC 110.9 and 110.10, it is absolutely necessary to determine the available fault currents at various points on the electrical system. If a ____ study is not done, the selection of overcurrent devices may be in error, resulting in a hazard to life and property. A)short-circuit B)transformer multiplier C)line-to-line voltage D)line-to-line wattage

Question

Quizplus · Accepted Answer

A short-circuit study is essential for determining the available fault currents at various points in an electrical system, which is crucial for the correct selection of overcurrent protective devices as per NEC requirements. Without this study, there's a risk of choosing incorrect devices, posing hazards.

To Meet the Requirements of NEC 110