Where is the EP cutout located on an M-3 car?

Answer: B — On the off-cab side, middle of the car

The EP cutout, or the electric brake cutout, is crucial for safely managing the braking system on the M-3 car. Located on the off-cab side, in the middle of the car, this placement allows easy access for maintenance personnel while minimizing interference with the operational areas, like the engineer's cab or the service door. This central positioning also ensures that the cutout is easily reachable in case of emergencies, enabling rapid response to any issues related to the electric braking system. Understanding this location is vital for both routine inspections and troubleshooting any potential brake system problems, reinforcing safe train operations.