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A disconnecting means shall be provided for an air conditioner or cooling tower within sight and within ___ feet of the unit

The combined input rating of unvented appliances shall not exceed _______ in a given space

It is good practice to use gas pipe as a grounding electrode

A light (luminaire) controlled by a switch located at the passageway opening and a receptacle outlet shall be provided at or near the appliance

In the figure above, the indoor fan motor will operate immediately after which one of the following sequences occurs?

The __________________ is the amount of air pressure that remains to move the air through the ductwork after the device pressure losses have been subtracted from the rated external static pressure value of the blower.

Determine the size of the pipe in section (6) using the longest length method.

Draft hoods and barametric draft regulators must be installed in the same room or enclosure as the appliance being served.

How many 12-AWG RHW conductors with outer covering can be installed in a 1 in. RMC nipple that is 23” long?

The rating of a branch circuit shall be determined by the rating of the _____.