What safety practice relates to managing electrical power effectively at the ramp?

Managing electrical power effectively at the ramp is crucial for ensuring the safety and smooth operation of aircraft during ground activities. The connection of ground power is essential because it provides the necessary electrical supply to the aircraft when it is not running on its own engines. This practice allows for powering up the aircraft's systems such as lighting, avionics, and cabin climate control without the need for the engines to be active, thereby eliminating potential hazards associated with running aircraft engines on the ramp. This is particularly important in maintaining safety, as it reduces the risks of fuel leaks, fire hazards, and exposure to exhaust fumes. Properly connecting and managing ground power also ensures that electrical systems are functional and can be tested before flight, contributing to the overall safety of the aircraft and its operations.