South Carolina Contractors License Exams

South Carolina Public Utilities Electrical Contractor

Sample Questions for the South Carolina Public Utilities Electrical Contractors Exam

  1. According to NFPA 780, a zone of protection is
    1. A three-foot circumference surrounding a lightning protection system.
    2. The space next to a lightning protection system that is substantially immune to direct lightning flashes.
    3. Any building with a non-metallic, covered roof.
    4. The period of time after a direct lightning flash when there low probability of a second or additional flash.
  2. What is the term for the winding of the transformer which is connected to the source of power?
    1. High-tension winding
    2. Primary winding
    3. Secondary winding
    4. Core winding
  3. Which of the following colors should NOT be used for current-carrying wires?
    1. Red
    2. Black
    3. Green
    4. White
  4. One kilo Ohm is equal to _______ Ohms.
    1. 0.1
    2. 10.0
    3. 1,000.0
    4. 1,000,000.0
  5. If the current is 33 milliamps and the resistance is 750 Ohms, what is the voltage?
    1. 15.0
    2. 24.8
    3. 40.0
    4. 69.5
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