The main purpose of seals or sealoffs in conduit runs is to _____.
a. isolate different voltages from each other
b. prevent the passage of gases, vapors, or flames from one portion of the system to another
c. prevent moisture from entering the raceway system
d. insulate the wires
b. prevent the passage of gases, vapors, or flames from one portion of the system to another
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When the service consultant enters the shop area, which is NOT a safety concern?
A. Wearing work shoes that prevent slipping on the floor B. Wearing safety glasses C. The technician work flow and efficiency D. Broken vehicles that are being repaired and may not function as expected
Solve and round to 2 decimal places: 
.
Fill in the blank(s) with the appropriate word(s).
The most used scale by architiects and engineers is?
A. 10 B. 20 C. 30 D. 40
Before installing a Tapcon® screw, _____
a. mix grout b. mix epoxy c. drill a pilot hole d. insert a lag shield