Electric signs and outline lighting system equipment in wet locations, unless of the listed watertight type, shall be weatherproof and, if necessary, have ____ in accordance with 600.9(D)(1) through (3).
A. surge protection
B. lightening protection
C. a front-mounted disconnect
D. drain holes
Answer: D
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Some plants are not poisonous but they can still injure a horse, causing the animal discomfort or pain. These include such plants as ____.
A. ragwort, groundsel, and sagebrush B. hound's tongue, Saint John's wort, and water hemlock C. Klamath weed, white snakeroot, and Jimmy-weed D. sand burrs, thistles, and foxtail
The law requires technicians to recover refrigerant from all refrigeration systems so that they ____.
A. will not be released into the atmosphere B. may be used again C. may be reclaimed for future use D. All of the above.
Which of the following conditions places undue stress on the stifle muscle?
a. sickle hocks c. splayfooting b. post legs d. buck knees
When installing a split-system small commercial refrigeration system, the condensing unit normally contains:
A) Enough refrigerant for just the condensing unit alone. B) Enough refrigerant for the entire system, including a set length of lines. C) Enough refrigerant for both the condensing unit and the evaporator, but not the refrigerant lines. D) No refrigerant, just a nitrogen holding charge.