Sometimes called error, the deviation between set point and control point is the ____.

Unlike a contactor, a motor starter is equipped with built-in ____.

The temperature or pressure value at which a device ceases operation is its ____.

Which type of bimetal device expands or contracts and tilts a mercury switch that serves as the electrical contact between wires?

Sensing bulbs typically use a bellows or ____ to open and close contact points as their internal pressure changes.

The term for the present condition in a conditioned space is the ____.

Which type of relay prevents a circuit from restarting until the power to its coil is interrupted?

The type of fuse that blows immediately after its maximum rating is exceeded is a ____ fuse.

The type of fuse that blows after its maximum rating has been exceeded for a certain period of time is a ____ fuse.

If the low-side pressure drops below a safe limit due to refrigerant loss or an evaporator freeze-up, a(n) ____ switches off the compressor motor.