Electrical systems Flashcards
How to size an unmarked wire?
Wire gauge (awg)
Why check and electrical system before a load increase?
Insure wire, cable, or protective device limit will not be excited
What device may call short time demand load?
Landing gear motors, flat motors, radio transmitters
What instruments are used to monitor electrical loads?
Amp meters and voltmeters
Type breaker should not be used in aircraft question
Auto reset
When should a switch be Derated?
When used with her rush in circuits, inductive circuits, DC motors
Where is the white position light mounted?
Tail, visible from the rear
Left position light color?
Red
Factors in wires size selection for electrical power?
Allowable power loss, permissible volt changes, current carrying ability
When do electric motors draw several times they’re rated power?
At start up
How long should bonding wires be?
As short as possible
What hardware should be used to make grounding connections to a structure of dissimilar metal?
A washer should be used so the corrosion will take place on it
What should be done to conduit when fittings are not used
Flare the end
What size conduit be used?
25% larger than the wire bundle
When is a continuity check made?
With power off
