In train operations, before coupling cars, it's essential that the couplers are aligned and the electrical connections are energized with shutters open for mechanical and electrical integrity.
Before a train operator couples cars together, it is crucial to ensure that the couplers to be joined are aligned and that their electric portions are fully energized and their shutters are open. This is necessary to ensure a safe and secure connection between the train cars, which includes establishing electrical connections for signals and power between the cars.
Aligning the couplers allows for a proper mechanical linkage, while energizing the electric portions and opening the shutters enables the electrical and data communication systems to function correctly across the coupled cars.
It is of paramount importance for the safety and functionality of a train that before coupling, the couplers are aligned, electric portions are energized, and shutters are open to ensure a reliable and safe linkage between the cars.