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

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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.

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Which of the following conditions places undue stress on the stifle muscle?

a. sickle hocks c. splayfooting b. post legs d. buck knees

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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.

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