Aviation Mechanic - General, Airframe, and Powerplant › I. General › Task A. Fundamentals of Electricity and Electronics

AM.I.A.K25

Knowledge

Electrical circuit drawings.

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

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Aviation Maintenance Technician Handbook - General p. 12-23
Chapter 12: Fundamentals of Electricity & Electronics › Conductors
schematic is a diagram that depicts the interconnection and logic of an electronic or electrical circuit. Many symbols are employed for use in the schematic drawings, blueprints, and illustrations. This section briefly outlines some of the more common symbols…
Aviation Maintenance Technician Handbook - General p. 12-77
Chapter 12: Fundamentals of Electricity & Electronics › AC Measuring Instruments › Horizontal Deflection
Figure 12-162. A varmeter connected in an AC circuit. The purpose…
Aviation Maintenance Technician Handbook - General p. 12-146
Chapter 12: Fundamentals of Electricity & Electronics › Energy Losses in DC Motors › Inspection and Maintenance of DC Motors
motor. Check the external electrical circuit for loose or dirty connections and for improper connection of wiring. Look for open circuits, grounds, and shorts by following the applicable manufacturer’s circuit testing procedure. If the fuse is not blown, failure ... open circuit. A blown fuse usually indicates an accidental ground or short circuit. A low battery usually causes the chattering of the relay switch, which controls the motor. When the battery is low, the open circuit voltage of the battery…