Electrical Wiring, Connectors, and Wire Identification & Selection. Exam Questions With Verified Answers.
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Course
Electrical Wiring
Institution
Electrical Wiring
Electrical Wiring, Connectors, and Wire
Identification & Selection. Exam Questions
With Verified Answers.
What is potting compound in regards to electrical connectors? - answera liquid plastic resin used to
insulate and protect connectors from moisture
What protection to wires and cables does ...
Electrical Wiring, Connectors, and Wire
Identification & Selection. Exam Questions
With Verified Answers.
What is potting compound in regards to electrical connectors? - answer✔a liquid plastic resin used to
insulate and protect connectors from moisture
What protection to wires and cables does conduit provide when used in aircraft installation? -
answer✔mechanical
When a connector assembly is installed, which side should be the "hot" and which side the ground? -
answer✔Female pin is always on power "hot" side, male is the ground
When approved, splices may be used to repair manufactured harnesses or installed wiring. What is the
maximum number of splices permitted between any two connectors? - answer✔one
Which aluminum electrical cable sizes would be selected to replace a no. 10 copper electrical cable? -
answer✔Number 8
What is the minimum bend radii for an electrical wire bundle? - answer✔No less than 10 times the
diameter of largest cable in the bundle
During inspection of the terminal strips of an aircraft electrical system, what should be determined? -
answer✔the terminal studs are anchored against rotation
For general electrical use in aircraft, what is the acceptable method of attaching a terminal to a wire? -
answer✔crimping
What standards are AN/MS electrical connectors specifically designed to meet? - answer✔military
specifications
What is the maximum resistance allowed when testing a grounding/bonding strap? - answer✔.003 ohm
What is the purpose of grounding, which is electrically connecting a conductive object to the primary
structure? - answer✔prevent development of radio frequency potentials
What is the maximum distance between adel clamps in a run of aircraft wiring? - answer✔24 inches
What is the max allowable number of nicked wire strands when using size 10 aluminum wire? -
answer✔0
What is the recommended knot for starting a single cord wire lacing? - answer✔clove hitch
Why must aluminum wire be stripped very carefully? - answer✔individual strands will break easily after
being nicked
What is the max allowable number of broken wire strands when using size 8 copper wire? - answer✔6
What is the number assigned to a size in the American wire gauge (AWG) system of numbers, used to
designate electrical wire sizes, related to? - answer✔cross-sectional area
How many wire splices are allowed between a circuit breaker and a component? - answer✔one
What is the most common way an aircraft wire is terminated? - answer✔ring terminal
What class connector would be used when routing wire through a pressurized structure? -
answer✔Class Y
If a wire is installed so that it comes in contact with some moving parts, what protection should be given
the wire? - answer✔pass through conduit
If several long lengths of electrical cable are to be installed in rigid conduit, how will the possibility of
damage to the cable as it is pulled through the conduit be reduced? - answer✔Dusting the cable with
powdered in soapstone
What should be avoided in conduit installation? - answer✔locate conduit to provide a footstep or
handhold for personnel
What is a drip loop? - answer✔a droop in a wire bundle to allow moisture to drip off before entering a
component or connector
Where electric cables must pass through holes in bulkheads, formers, ribs, firewalls, etc., how should
the wires be protected from chafing? - answer✔by using a rubber grommet
What is the purpose of electrical connectors in an aircraft system? - answer✔to facilitate maintenance
where frequent disconnection is required
In addition to providing good current carrying capabilities, what are electric wire terminals for most
aircraft applications designed primarily to do? - answer✔to prevent circuit failure due to terminal
disconnection
What are solid center coax cables primarily used for? - answer✔they shouldn't be used
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