In an aircraft electrical installation, what is an advantage of using crimped connections?

Crimped connections provide a stronger mechanical bond than soldering due to the nature of how they are formed. When a crimped connection is made, metal contacts are tightly compressed around the wire, creating a secure and stable connection. This mechanical bond is essential in aircraft applications, where vibrations and movement can occur during flight, ensuring that the connection remains intact and does not fail over time.

In contrast, soldered connections, while also reliable, can sometimes be less effective in high-vibration environments, where the solder joint could become brittle and crack. Additionally, crimped connections allow for the use of various terminal types and can accommodate different wire sizes, promoting better versatility across different systems in an aircraft.

While crimped connections may also be easier and faster to install than soldering, and can be made to be waterproof with proper insulation techniques, the key advantage lies in the strength and reliability of the mechanical bond, making them particularly advantageous for demanding applications like aircraft electrical systems.