Delmar's Unit 10 Flashcards
1
Q
What are the four factors that determine the resistance of a wire?
A
material.
length.
area.
temperature.
2
Q
When conductors are used in a high-temperature locations, their current capacity must be ___________.
A
reduced
3
Q
The current-carrying capacity of conductors must be reduced when there are more than _____ in a raceway?
A
three
4
Q
The amount of current a conductor can carry is affected by the _________ around the wire
A
type of insulation
5
Q
In the English system, what is used as a standard for determining the resistance of different types of wire?
A
mil-foot
6
Q
After wires have been installed, they should be checked for shorts or grounds with what?
A
a megger
