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Circuit Status
The status of a circuit, indicated by the color black.
Current Flow
The flow of electrons in a circuit, indicated by the color blue.
Positive Potential
The presence of positive voltage in a circuit, indicated by the colors red and green.
Open Circuit
A circuit with no continuous loop, resulting in no current flow.
Short Circuit
An unintended connection between two points in a circuit, resulting in excessive current flow.
Resistance
The opposition to the flow of electric current in a circuit, measured in ohms.
Crimping
The process of securing a wire to a terminal using a crimping tool.
Wire Stripping
The process of removing insulation from a wire to expose the conductor.
Connector
A device used to join two or more wires or cables together.
Wire ID
The identification of a wire based on its function, number, and size.
Alternator
A device that converts mechanical energy into electrical energy.
Rotor
The rotating part of an alternator that generates a magnetic field.
Stator
The stationary part of an alternator that contains the windings to produce electrical current.
Rectifier
A device that converts alternating current (AC) to direct current (DC).
Capacitor
A device that stores electrical energy and reduces ripple in a circuit.
Voltage Regulator
A device that regulates the output voltage of an alternator.
Ammeter
An instrument used to measure electrical current.
External Power Relay
A relay that controls the connection of external power to an aircraft's electrical system.
Diodes
Electronic components that allow current to flow in one direction and block it in the opposite direction.
Pitot Static System
A system used to measure airspeed, altitude, and vertical speed in an aircraft.
Vacuum Pumps
Devices used to create a vacuum for various aircraft systems.
Micro-switches
Small switches that require only a small amount of movement to activate.
Thermocouples
Temperature sensors that generate a voltage proportional to the temperature difference between two junctions.
MAP (Manifold Absolute Pressure)
A sensor that measures the pressure in the intake manifold of an engine.
Nav Radios
Navigation radios used for GPS, ADF, VHF Nav, and DME.
Transponder
A device that transmits an aircraft's identification and altitude to air traffic control radar systems.
Antennas
Devices used to transmit and receive radio signals.
Modulation
The process of varying a carrier signal to transmit information.
Major Alteration
A significant modification to an aircraft that requires FAA approval.
Minor Alteration
A minor modification to an aircraft that does not require FAA approval.
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