Electronics Test 2
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33 Terms
What is used to protect wires from interference?
Shielding
What type of wire is more flexible?
Stranded wire
What wire is attached to the socket connector?
The hot wire
What wire is attached to the pin connector?
The load
What is crimped at the ends of a coax cable?
BNC connectors
What are used to protect wires?
Circuit breakers and fuses
What are fuses rated in?
Amps
What must the clearance be between wires and bulkheads?
3/8 in
What must be added if the wires and bulkhead fail the clearance?
Grommets must be installed
What can be used to ground a composite AC?
Bonding jumpers, steel cable, metal plate
What do solenoids and relays use to operate?
Electromagnetic switches
What is the first step in troubleshooting an electrical system?
Checking the circuit breakers
What does AWG stand for?
American Wire Gauge
What is the purpose of AWG?
Establish a standardized system for wires
What does EWIS stand for?
Electrical Wire Interconnected System
What should be done if you are between 2 wire sizes?
Use the larger wire
What must pins and sockets conform to?
MIL-DTG-24308
When using zip ties, what must be done to the ends?
Flush cut
What is used to secure wiring?
Adel clamps
How to check system voltage?
At the generator or the bus
What are 2 uses of doides?
One-way circuits and rectifiers
What do rectifiers do?
Change AC -> DC
What do inverters do?
Change DC -> AC
What do transformers do?
Step up or step down voltage in AC systems
What are most conductors made of in aircraft?
Copper
When does an intermittent load cut off?
2 min
How can wire gauge be checked?
Number ID on wire indicating gauge
What must be used to convert 115V AC -> 28V DC?
Transformer-Rectifier
What temperature can tinned copper wire be used up to?
221 F
What temperature can silver-coated wire be used up to?
392 F
What temperature can aluminium wire be used up to?
Under 221 F and under certain conditions
What is fiber optic used for?
Transmitting data
How do fiber optics transmit data?
Binary code in the form of light signals