Exam 9: Conductor Types and Sizes

To convert circular mils to circular millimeters, divide circular mils by ____.

The resistance of a wire is inversely proportional to its length.

When using a knife to remove insulation from a conductor, the insulation should be cut at a right angle to the conductor.

Flexible cords and cables are sufficient for the fixed wiring of a building.

The ____ of a conductor is limited by the temperature that its insulation can tolerate without deteriorating or losing its insulating quality.

A correction factor is used for the ampacity of conductors in installations where the operating temperature is above ____ degrees Fahrenheit.

For which temperature is resistivity (K) defined?

A feeder circuit consists of the conductors between the service equipment and the final branch-circuit overcurrent device.

What unit is used to measure rectangular conductors?

Which is the smallest AWG wire size?

What is the most common insulating material used on conductors?

For pure metals such as silver, copper and aluminum, the resistance of a conductor ____ as the temperature increases.

____ is the voltage drop caused by current flowing though the resistance of the wires.

Line loss is power dissipated as heat.

The amount of heat generated by current flowing through a conductor depends on the current value and the conductor's ____.