In an electrical system, "phases" refers to:
A)the rate at which an alternating-current power supply alternates the direction of the current flow.
B)the number of energized or "hot" wires in the electrical supply.
C)how often the system experiences momentary voltage sags and surges.
D)how electricity is metered.

Question

Quizplus · Accepted Answer

Phases refer to the number of energized or "hot" wires in the electrical supply. Electrical systems can have single-phase or multi-phase configurations, depending on the number of phases used.

In an Electrical System, "Phases" Refers To