Alaska Contractors License Exams

Alaska Residential Wiring Contractor

Sample Questions for the Alaska Residential Wiring Contractors Exam

  1. Three electrical devices are connected in parallel on a circuit with the first device having a resistance of 6 ohms, the second having a resistance of 10 ohms, and the third having a resistance of 15 ohms. The total resistance of the circuit will be:
    1. 3 ohms
    2. 5 ohms
    3. 12 ohms
    4. 15 ohms
  2. A 15 or 20 ampere, 124 volt receptacle used for the reduction of electrical noise where the grounding terminal is isolated from the receptacle mounting yoke is required to be identified by:
    1. a green grounding symbol
    2. the words "isolated ground"
    3. being completely orange in color
    4. having an orange triangle on the face of the receptacle.
  3. An electrical conductor is made up of 19 strands each with a diameter of 0.0837 inches. The approximate circular mil area of the conductor is:
    1. 105,600 circular mils
    2. 133,100 circular mils
    3. 184,200 circular mils
    4. 211,600 circular mils
  4. Wiring which is installed to meet minimum requirements of the National Electrical Code is:
    1. adequate to meet future needs
    2. adequate for present needs
    3. always the most efficient wiring
    4. for all practical purposes safe & free from hazard
  5. A single family dwelling living are is 2,680 square feet, with all 120 volt general illumination circuits rated 15 amperes. The minimum number circuits required is:
    1. four
    2. five
    3. six
    4. seven
Answers: Click Here to show the answers.