Low Voltage Conductors

Which wire size corresponds to an ampacity of 40?

• 12

• 10

• 8

• 6

What is the purpose of using grommets in wire installation?

• To enhance electrical conductivity

• To protect wires from physical damage

• To increase wire length

• To reduce wire cost.

Which item is used to secure wires in place?

• Plastic Bridge Staple

• Nylon Wire Tie

• Rubber Grommet

• All of the above.

Fill in the blank: For a gauge of 12, the maximum length of the SAE conductor for a current draw of 60 is ____.

• A) 65 feet

• B) 72 feet

• C) 81 feet

• D) 91 feet

What is critical when adding new equipment to a 12 VDC system?

• Wire conductor size

• Overcurrent protection

• Both A and B

• None of the above.

What happens to a fuse when excessive current flows through it?

• It enhances the circuit

• It melts the fuse element

• It decreases the voltage

• It increases the current.

What is the characteristic of slow blow fuses regarding overload?

• Open immediately

• Open only during a continued overload

• Never open

• Open randomly

What is the voltage and current rating of the TYPE I circuit breaker shown in the diagram?

• 12V 20AMP

• 12V 30AMP

• 24V 30AMP

• 24V 20AMP

Type III circuit breakers have a reset switch located where?

• On the interior

• On the exterior

• Inside the panel

What is the power rating of resistor 'R2'?

• 1 W

• 2 W

• 5 W

• 10 W