Why is it important to keep electrical connections clean and secure?

Maintaining clean and secure electrical connections is crucial primarily to prevent electrical failures and ensure the reliable operation of aircraft systems. In aviation, where safety and functionality are paramount, even a small disruption in electrical connectivity can lead to significant operational issues, malfunctions, or failures. Clean connections ensure that there is minimal resistance, allowing for efficient current flow which is vital for the proper functioning of avionics, communication systems, and flight controls.

Insecure connections, on the other hand, can lead to intermittent faults or total disconnections, which can compromise the performance and safety of the aircraft. Therefore, ensuring that electrical connections are both clean and securely fastened is an essential maintenance practice that underpins the overall reliability and safety of aircraft operations.