Definition
The point or system where one electrical component connects to another, allowing electrical power or signals to pass between them. In an aircraft, this includes the wiring, plugs, terminals, and circuits that link instruments, sensors, batteries, generators, and avionics into a working electrical network.
Plain English
The connection point where two electrical parts meet and pass power or information between each other.
Context Anchor
Seen in aircraft systems discussions, especially when equipment such as radios, displays, sensors, or power sources must connect to the aircraft electrical system.
Derivation
‘Interface’ comes from Latin inter (‘between’) and facies (‘face’ or ‘surface’). Originally it meant the surface where two things meet. In electrical use, it means the meeting point where two electrical systems connect and exchange power or signals.
Why Pilots Care
Reliable electrical interfaces keep instruments, radios, and safety systems powered and communicating without interruption.
Intuition Check
Interface does not mean a computer screen here. It means the actual electrical connection or boundary where two parts meet and pass power or signals.
Example Sentence 1
The mechanic inspected the electrical interface between the fuel quantity sensor and the cockpit gauge after the pilot reported erratic readings.
Example Sentence 2
During installation, technicians verify that each electrical interface matches the voltage and signal requirements of the connected equipment.