KTREC-TEXAS HOME INSPECTOR TEST:
ELECTRICAL NEW QUESTIONS &
VERIFIED RATIONALIZED ANSWERS
100% GUARANTEED PASS
Aluminum wiring is not recommended on most homes under new construction. That is because? -
Correct answer.The wire oxidizes which acts as an insulator that can increase the heat and may melt the
insulation.
Aluminum wire must have something that acts as an insulator rather than conductor of electricity. -
Correct answer.An antioxidant. It also decreases the likelihood of arcing.
An inspector inspects a house built in 1955. He finds a wire that has a silver coating on it. What type of
wire is it? - Correct answer.Zinc coated wire/ nickel coated wire. Aluminum wire was not used in homes
until around 1960.
What is the minimum size wire that can be used as a grounding electrode? - Correct answer.#6 Copper
AWG
What is the maximum height a breaker can be according to the NEC? - Correct answer.6 ft 7 inches
How many amps are required to trip a GFCI? - Correct answer.5 to 8 milliamps
How do you test a GFCI receptacle? - Correct answer.A separate GFCI testing device
Define the purpose of a circuit breaker. - Correct answer.It is designed to interrupt the flow of electricity.
What is the longest length of plug and cord you would expect to find on an appliance with proper
receptacle locations/spacing? - Correct answer.6 ft
, In a bathroom, how close to the sink must a receptacle on the wall be? - Correct answer.Within 3 feet of
the sink.
If you saw an uncovered incandescent light in a closet what would you write on your report? - Correct
answer.'in need of repair'. Uncovered incandescent light fixtures in a closet are not allowed. Covered
incandescednt light fixtures must have 12'' of clearance from any shelving capable of being used for
storage.
How deep must a ground rod be driven into the ground? - Correct answer.8 ft
A wet bar counter receptacle must be GFCI protected within ___ feet of the sink? - Correct answer.6 ft
Ground rods are also referred to as ___. - Correct answer.Electrodes
What is the working space or clearances in front of an electrical panel? - Correct answer.30 inches wide
by 3 feet deep (to the front).
What is the purpose of a GFCI? - Correct answer.A GFCI will reduce the shock hazard.
An inspector finds a 3-pronged outlet in a basement with 2-wire service. He should advise the customer
that: - Correct answer.it is 'in need of repair' and should be replaced with a GFCI outlet.
Three wires coming into a home is ____ volts. - Correct answer.240
The maximum number of throws to disconnect all electrical power on a service panel to a dwelling is
_____ throws. - Correct answer.6
What is the minimum service size recommended by the NEC? - Correct answer.100 amps for a single-
family dwelling
What is the minimum voltage that must be protected? - Correct answer.50 volts
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