A ballast in a fluorescent exit luminaire shall ____.
A. have GFCI protection
B. have thermal protection
C. not have thermal protection
D. not have GFCI protection
Answer: C
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What explains the widespread affluence of the 1950s? What was the specific impact of television and mass advertising on American values and lifestyles during the 1950s?
What will be an ideal response?
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How are trigger rates established?
A) By total monthly loss B) By total annual loss C) By amount of coolant capacity D) By speed of loss
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Nitrogen makes up approximately 78 percent of the air we breathe.
Answer the following statement true (T) or false (F)
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How many refrigerant check valves are used on the solenoid control refrigeration system?
A. 1 B. 2 C. 3 D. 4
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