Ag Mech Semester Test - Part 1

White wires are __________________ .

• Ground

• Hot

• Neutral

• Positive

Black wires are __________________ .

• Ground

• Hot

• Neutral

• Positive

Bare copper wires are __________________ .

• Ground

• Hot

• Neutral

• Positive

Which of the following protects against electrocution or injury?

• Circuit Breaker

• GFCI

What do we call romex cable that has 2 14 gauge conductors and 1 ground wire?

• 14-2

• 14-3

What is current?

• The flow of electrons (volume)

• Electrical pressure (psi)

• Opposition to the flow of electrons

What is voltage?

• The flow of electrons (volume)

• Electrical pressure (psi)

• Opposition to the flow of electrons

What is resistance?

• The flow of electrons (volume)

• Electrical pressure (psi)

• Opposition to the flow of electrons

Why do we use stranded vs solid wire?

• Stranded wire is more flexible for use in conduit

• Solid wire can handle higher temperatures

• Stranded wire can handle higher voltages

What type of electricity is used in houses?

• Alternating Current

• Direct Current