A situation known as ____ occurs when a fault on a branch circuit opens not only the branch-circuit overcurrent device but also the feeder overcurrent device.
A)nonselective coordination
B)selective coordination
C)interruption
D)series-rated action

Question

Quizplus · Accepted Answer

Nonselective coordination occurs when a fault in a branch circuit causes both the branch-circuit overcurrent device and the feeder overcurrent device to open, indicating a lack of proper coordination between the devices to isolate the fault effectively.

A Situation Known as ____ Occurs When a Fault on a Branch