Chapter 1

Question 1

Define Voltage

Answer 1

Voltage is electric pressure or electromotive force. The unit used to measure the amount of pressure is the volt.

Question 2

What are typical distribution system voltages?

Answer 2

7,200/12,470
7.600/13,200
12,000/20,800
19,900/34,500

Question 3

What are typical transmission system voltages?

Answer 3

69,000
115,000
138,000
230,000
345,000
500,000
765,000

Question 4

What is a coulomb?

Answer 4

A coulomb is a quantity measurement of electrons.

Question 5

What is an amp?

Answer 5

An amp is defined as on coulomb per second.

An amp is a measurement of the amount of electricity flowing through a circuit.

Question 6

Explain the effects that voltage and amperage have on the electrical system

Answer 6

Voltage effects the amount of insulation needed for a given power line, the separation between line conductors, safe working practices and the types of tools needed to work on the lines.
Amperage rating of a wire may not be exceeded. If exceeded the added friction created by the colliding electrons will melt the wire