Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task F. Engine Electrical Systems

AM.III.F.S9

Skill

Determine wire size for engine electrical system.

Study note

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.

From the FAA library

Aviation Maintenance Technician Handbook - Powerplant p. 4-51
Chapter 4: Engine Ignition & Electrical Systems › Powerplant Electrical Systems › Voltage Drop in Aircraft Wire & Cable
Figure 4-83. Current-carrying capacity and resistance of copper wire. Figure…
Aviation Maintenance Technician Handbook - Powerplant p. 4-48
Chapter 4: Engine Ignition & Electrical Systems › Powerplant Electrical Systems › Wire Size
Wire Size Wire is manufactured in sizes according to a standard known…
Aviation Maintenance Technician Handbook - Airframe p. 9-70
Chapter 9: Aircraft Electrical System › Wire Size Selection › Current Carrying Capacity
Figure 9-115. American wire gauge for standard annealed solid copper wire…