According to NEC Article 424, embedded floor heating cable may be spliced with _____.

a. any approved means
b. split bolts
c. splices identified in the manufacturer's instructions
d. wire nuts


c. splices identified in the manufacturer's instructions

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Oils release vapors that can be ignited when they reach their _____.

a. flash point b. fire point c. boiling point d. ignition point

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Employee health records must be kept for _____ years.

Fill in the blank(s) with the appropriate word(s).

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Research about plants in professional work environments notes that ____ when plants are introduced

and maintained.

a. higher productivity levels exist c. higher cognitive thinking occurs b. higher quality of life is achieved d. more people are content

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In a right triangle, a and b represent legs and c represents the hypotenuse.  Determine the measure of side c if a = 28.2 cm and b = 12.8 cm.  Express the answer to the nearest tenth centimeter.

Fill in the blank(s) with the appropriate word(s).

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