Los requisitos para sistemas de HVAC se pueden encontrar en el:

a. NEC® Artículo 370.
b. NEC® Artículo 398.
c. NEC® Artículo 440.
d. NEC® Artículo 516.

c. NEC® Artículo 440.

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Explain the purpose of the electronic self-diagnostic feature. How does it communicate results?

What will be an ideal response?

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A rheostat usually has how many wires?

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What are the estimated dimensions of a room with a 2-×-2-foot drop ceiling that is 10 tiles wide and 15 tiles long?

A) 20 feet by 30 feet B) 20 feet by 60 feet C) 10 feet by 15 feet D) 40 feet by 30 feet

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As opposed to true power, the figure obtained by multiplying the source voltage and current is known as ____________________.

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

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