NCC PRACTICE TEST 9 QUESTIONS WITH ACCURATE
ANSWERS
A carnival ride properly powered through a disconnect switch withing 6 feet of
the operator can also be opened from the operator's console using a correct
answer shunt trip
A knee in a leakage current-versus-voltage plot indicates a correct answer
breakdown current
A quick test that can be made to determine if an installation is good is known as a
correct answer go/no-go test
A suitable connector for medium-voltage cable splices is a compression or correct
answer crimp type
Acceptance testing calls for a maximum value of what percentage of the factory
test voltage? correct answer 80%
According to the NEC, cables on agricultural buildings must be secured within how
many inches of any box, cabinet, or fitting to which they connect? correct answer
8 inches
Any fixed or stationary electric sign that is installed within a fountain must be at
least how many feet inside the fountain, as measured from the fountain's outside
edge? correct answer 5 feet
, Before using a voltage tester, check to make sure it is functioning correctly by
correct answer connecting it to a known energized source
figure correct answer C108H
Footlights in a stage that are designed to disappear into a storage recess when
not in use must be designed so that correct answer the power supply is
automatically disconnected when the lights are retracted
For floating structures that are installed to rise and fall in response to the water
level on a natural or manmade body of water, the electrical datum plane is 30
inches above the point at which the floating structure touches the water. What is
the minimum distance of the electrical datum plane above the deck level of
structure? correct answer 12 inches
Heater elements on electric pool-water heaters must be subdivided into loads not
exceeding 48A each and be protected by overcurrent protective devices not
greater than correct answer 60A
If a duty cycle includes significant plugging or jogging, select an correct answer
AC-4 rated motor control device
If two seperate receptacles having different voltages and amperage ratings are
installed in a single boat slip, the toal load calculation must include correct answer
only the receptacle with the higher VA demand
image correct answer Float switch
ANSWERS
A carnival ride properly powered through a disconnect switch withing 6 feet of
the operator can also be opened from the operator's console using a correct
answer shunt trip
A knee in a leakage current-versus-voltage plot indicates a correct answer
breakdown current
A quick test that can be made to determine if an installation is good is known as a
correct answer go/no-go test
A suitable connector for medium-voltage cable splices is a compression or correct
answer crimp type
Acceptance testing calls for a maximum value of what percentage of the factory
test voltage? correct answer 80%
According to the NEC, cables on agricultural buildings must be secured within how
many inches of any box, cabinet, or fitting to which they connect? correct answer
8 inches
Any fixed or stationary electric sign that is installed within a fountain must be at
least how many feet inside the fountain, as measured from the fountain's outside
edge? correct answer 5 feet
, Before using a voltage tester, check to make sure it is functioning correctly by
correct answer connecting it to a known energized source
figure correct answer C108H
Footlights in a stage that are designed to disappear into a storage recess when
not in use must be designed so that correct answer the power supply is
automatically disconnected when the lights are retracted
For floating structures that are installed to rise and fall in response to the water
level on a natural or manmade body of water, the electrical datum plane is 30
inches above the point at which the floating structure touches the water. What is
the minimum distance of the electrical datum plane above the deck level of
structure? correct answer 12 inches
Heater elements on electric pool-water heaters must be subdivided into loads not
exceeding 48A each and be protected by overcurrent protective devices not
greater than correct answer 60A
If a duty cycle includes significant plugging or jogging, select an correct answer
AC-4 rated motor control device
If two seperate receptacles having different voltages and amperage ratings are
installed in a single boat slip, the toal load calculation must include correct answer
only the receptacle with the higher VA demand
image correct answer Float switch
