Maintenance Aptitude Test

On a 110-volt circuit, the hot wire is normally:

• White

• Black or Red

• Green or bare wire

• Yellow

Where is a fuse link located?

• In a fuse box

• On a heat coil

• On a stove element

• None of the above

Low voltage means:

• Less than 220 volts

• Less than 460 volts

• 110 volt

• Less than 30 volts (usually 24)

When wiring a new wall receptacle, the silver screw is for:

• Ground wire

• Neutral Wire

• Hot wire

• None of the above

Most residential wiring is three-phase.

• True

• False

A sequencer is used in:

• Heating and air conditioning

• Plumbing

• Outside lighting

• None of the above

What is the purpose of a breaker in an electrical circuit?

• To route electrical currents

• Overload protection

• All of the above

• None of the above

On a 110-volt circuit, where the white wire is common, the black wire is normally .

• 24 volts

• 110 volts
• 220 volts

• 210 volts

On a 110-volt circuit, the ground wire is normally:

• Black or Red

• White

• Green or bare wire

• Yellow

A resident reports an outlet is not working. What is the first thing you should check?

• Wiring behind the wall

• Replace the outlet

•  Circuit breaker

• The building’s main electrical panel