Wiring AC Circuits

Which of the following facilities use alternating current circuits?

• Homes

• Schools

• Businesses

• All of the above.

Electricians design and install wiring according to the requirements of the ______.

• International Building Code

• National Electrical Code

• Electrical Safety Code

• Local Ordinances

In how many states is the National Electric Code (NEC) used?

• 25

• 30

• 50

• 45

What is the function of the service entrance in a building's electrical system?

• It distributes power within the building

• It is where power from the supplier enters the building

• It stores backup power

• It measures electricity usage.

The service entrance is where power from the supplier enters the building. From this point forward, ownership and maintenance are the responsibility of the ______.

• government

• supplier

• consumer

• electrician

Which of the following is a common component of a service entrance?

• Service meter

• Light bulb

• Water pump

• Gas valve

What does the service meter measure?

• Water usage

• Energy usage

• Gas usage

• Internet usage

The service meter may be ______ or digital.

• Analog

• Mechanical

• Manual

• Automatic

What is a conduit used for?

• To protect supply cables

• To conduct electricity

• To insulate wires

• To connect devices.

A service disconnect may be located ______ the service meter connection.

• only before

• only after

• before or after

• neither before nor after