EWRB (Electrical Engineering) PRACTICE EXAM
QUESTIONS AND ANSWERS
Where would you find a GFCI on a hydrotherapy tub?
Correct Answer -All of these are true: under the tub, many times
inaccessible, it is not required to be within sight of the motor
How high above the spa would the light fixture need to be installed?
Correct Answer -7' 6"
A house was built in 1955 and the inspector notices the wires have a
silver coating. What type of wiring is this?
Correct Answer -Nickel coated copper (clad)
Overhead wire clearance must be a minimum of how many feet above
walking surfaces?
Correct Answer -10'
Overhead wire clearances must be how many feet above residential
properties and driveways?
Correct Answer -12'
Overhead wires must be at least how many feet over a flat roof?
Correct Answer -8' feet
Service conductors must be located at least how many feet from sides of
doors,porches, decks, stairs, and operable windows?
Correct Answer -3' feet

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