If the MCR output is turned off or de-energized,all nonretentive rungs below the MCR will be de-energized.

Name: If the MCR output is turned off or de-energized,all nonretentive rungs below the MCR will be de-energized.
Brand: Quizplus
Rating: 4.8 (35 reviews)

Question

Quizplus · Accepted Answer

This is because the MCR (Master Control Relay) is the main power supply for the non-retentive rungs below it. When it is turned off or de-energized, the power supply to those rungs is also cut off, leading to their de-energization.

If the MCR Output Is Turned Off or De-Energized,all Nonretentive