Lesson 3 - Electrical Lesson

You should read the instructions that come with most electrical fixtures.

• True

• False

Which of the following is not a typical power generation source?

• coal burning plant

• solar panels

• transformer

• wind turbine

Where does electric power enter a home?

• service drop

• outlet

• underground

• substation

What voltages would you expect to see in residential wiring?

• 7,200 and 240

• 240 and 120

• 110 and 120

• 120

How far should you twist a wire nut?

• 3 turns

• until bare wire is not showing

• until it stops

• until you hear a click

This system show in the picture

• transformer

• solar system

• residential wiring

• the grid

In the home, each branch circuit in the main panel breaker box has a breaker with one of these two amp sizes

• 240, 120

• 20, 15

• 20, 10

• the breaker box is not in the home

To wire an outlet the black wire will attach to this color terminal or screw

• green

• brass

• silver

• either

To wire an outlet the white wire will attach to this color terminal or screw

• green

• brass

• silver

• either

Which gauge wire is thicker copper?

• 16 gauge

• 14 gauge

• 12 gauge

• gauge is length not thickness