Electrical ahit

A material with a high resistance would be a _____.

• good conductor

• good insulator

• good neutral wire

• good transformer

Electricity moves along wires that are known as _____.

• insulators

• conductors

• raceways

• resisters

What is the measure for electromotive force?

• amps

• ohms

• volts

• watts

The electrical pressure that pushes through the wires is known as the _____.

• current

• voltage

• amperage

• resistance

• ohm

What would be the voltage rating of an electrical service with 3 wires at the mast?

• 120/240/208-volt service

• 120/240-volt service

• 120-volt service

• 240-volt service only

What electromotive force would it take to push 4 amps of current through a 30-ohm resistance?

• 120 volts

• 240 volts

• 60 volts

• 30 volts

Which of the following actions is not a requirement regarding branch circuit wiring?

• required to dismantle connections at junction boxes

• required to observe branch circuit conductors

• required to observe compatibility of branch circuit wiring and its fuses or breakers

• required to report solid conductor aluminum branch circuit wiring

Which of the following does not have to be inspected during the electrical inspection?

• branch circuit wiring

• exterior fixtures and receptacles

• low voltage systems

• polarity and grounding of receptacles

The larger the diameter of a conductor, _____.

• the less current it can carry

• the less it is used in residential applications

• the more current it can safely carry

• the more it is used in residential applications

Which of the following is NOT an overcurrent protection device?

• cartridge fuse

• circuit breaker

• meter

• screw-in fuses