LESSON 2
PRACTICE EXERCISE
(PERFORMANCE-ORIENTED/TEST VERSION 1)
In each of the following questions, select the answer which best completes the statement or answers the
question. Indicate your answers by circling the correct letter below.
1.
When making a hole for the wire to pass from outside to inside there are several important items
for the installer to remember. What is one of these important items to remember?
a. The hole should be in an inconspicuous location.
b. The hole should not go through masonry or stucco.
c. The hold should be slanted upward to prevent moisture from entering.
d. The hole should always go through a window sill.
2.
Clearance for wires is very important. What is the clearance required for wires that are crossing
steam pipes?
a. 1/2 inch.
b. 1 inch.
c. 1 1/2 inch.
d. 2 inches.
3.
In the installation of a telephone substation you must pass the wire through a floor. The inside
house wire has 4 conductors in it. What is the correct size hole required to pass the taped wire through?
a.
1/4 inch.
b.
3/8 inch.
c.
1/2 inch.
d.
5/8 inch.
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