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Which of the following electrical characteristics remains the same during normal residential electrical use?

A. The current flow
B. The wattage consumption

C. The voltage level

D. The meter reading

A service drop to a residence is connected to the utility's _______ voltage.

A. primary
B. secondary

C. transmission

D. subtransmission

The chief purpose of a service panel in a house is to

A. keep electrical hazards localized.
B. keep the meter working correctly.

C. provide automatic circuit protection.

D. connect the service drop to the house.

How many outlets are allowed on a 240 V branch circuit?

A. 1
B. 3

C. 6

D. 9

A home electrical system is joined to the electric company's system at the junction of the

A. entrance head and service drop.
B. black and red wires in the meter.

C. neutral strip in the panelboard.

D. panelboard and service drop.

Electrical pressure is also called

A. voltage.
B. amperage.

C. conductance.

D. resistance.

The hot wires in a service entrance panel are covered with _______ insulation.

A. green or white
B. black or green

C. white or red

D. red or black

The electric meter for a new house is furnished by the

A. contractor.
B. electrician.

C. electric company.

D. homeowner.

small appliance circuit will be protected by a circuit breaker rated at

A. 15 A.
B. 20 A.

C. 30 A.

D. 50 A.

A 120 V general-purpose circuit should have circuit breakers or fuses with values of

A. 15 A or 20 A.
B. 50 A.

C. 100 A.

D. 120/240 A.

Which of the following voltages would most likely be used as a primary distribution voltage by an electric utility company?

A. 120 V
B. 440 V

C. 4,160 V

D. 69,000 V

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