NCCER HVAC 2 Alternating Current Trade Terms

To generate a current in a conductor by placing it in a moving magnetic field

The maximum rated speed of a motor

One who has the skills and knowledge associated with construction techniques

An AC motor

The stator winding of a motor that draws current during the entire running cycle of the motor

The movable contact surface on an electric generator or motor

A ______________ stays in the motor circuit while the motor is running to improve efficiency

The tendency of a body in motion to remain in motion and a body at rest to stay at rest

One-millionth of a farad. Used to rate capacitors

The rotating parts of a generator.

An instrument to test high-resistance circuits

The value of AC voltage that will produce as much power when connected across a load as an equivalent amount of DC Volt

The unit of measure for the frequency of alternating current

The value of AC voltage that will produce as much power when connected across a load as an equivalent amount of DC Volt

The stator winding of a motor that is used to provide starting torque

A circuit protective device that melts, opening the circuit, when the current is excessive

The ratio between the number of turns in the primary and secondary windings of a transformer

The force that must be generated to turn a motor

An electrical storage device containing 2 metal plates separated by an insulating material

The waveform created by an AC Generator

Stationary windings of a motor

The rotating component of an induction motor

The number of complete cycles of an alternating current, sound wave, or vibrating object in a certain period of time

A device that generates alternating current by means of conductors rotated in a magnetic field.

A material that strongly resists the passage of current

A transformer with a one-to-one turns ratio. It is used for personal safety and to prevent electrical interference