What is the purpose of removing electrical connectors during an engine shutdown?

The purpose of removing electrical connectors during an engine shutdown is primarily to prevent engine restart. By disconnecting the electrical connectors, you eliminate the possibility of accidental reactivation of the engine or its systems while maintenance or inspections are being performed. This is a critical safety measure to protect personnel who may be working in or around the aircraft and to ensure that no unintended operations occur during maintenance procedures.

The other options, while they may seem relevant, do not capture this primary safety concern. Protecting the electrical system is important, but disconnecting power sources focuses on safety rather than just protection. Facilitating regular maintenance is certainly desirable but is not the main reason for disconnecting the engine; rather, it serves as a precaution during maintenance. Allowing for temperature stabilization, while applicable to some maintenance practices, does not directly relate to the immediate safety implication of removing electrical connections to prevent the engine from restarting unexpectedly.