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Guide to the National Electrical Code by Thomas L. Harman

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Final Examination No. 2

Total Time: 6 Hours

Only the Code Book May Be Usedfor the Open-Book Portion

I. Problems (Closed-Book) Test Time: 2 Hours

1. Define the following:

(a) Feeder

(b) Appliance

(c) Branch circuit

(d) Overload

(e) Vented power fuse

2. What is the minimum height of a 120/240-volt service drop over the following:

(a) Sidewalk

(b) Residential driveway

(c) Public streets

3. What is the color of the finish for the high-voltage conductor in a high-leg delta feeder?

4. What are the requirements for lighting outlets in a one-family dwelling?

5. Which receptacles must have GFCI protection in one-family dwellings?

6. Plug fuses may be used to protect 120/240-volt, single-phase circuits. True or false?

7. An aluminum grounding conductor ...

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