Where is solid 18 gauge copper wire typically used in residential air-conditioning installation?

A) Inside the equipment supplying power to the major loads
B) The thermostat control wire
C) The power wire to the condensing unit
D) The power wire to the indoor unit


B

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With the help of a sketch, describe a protected membrane roof.

What will be an ideal response?

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A low-voltage control circuit _____.

a. operates from the load circuit b. is separate from the load circuit c. is never connected to a control transformer d. carries the full-load of the line current

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At what percent of slope may land require grading to make it more usable?

a. 4 c. 8 b. 10 d. 6

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The OSHAct addressed the need to help reduce the incidence of work-related injuries, illnesses, and deaths

Indicate whether the statement is true or false

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