A line starter is primarily used to control which type of device?

A line starter is primarily used to control motors, which is its main function. It serves as a device that helps manage the inrush current that occurs when an electric motor starts. Without a starter, the sudden surge of electricity can lead to excessive wear on the motor and electrical components, potentially causing damage.

The line starter typically includes features that allow for a smooth ramp-up of power, thereby reducing mechanical stress and prolonging the lifespan of the motor. It also helps in protecting the motor against overload conditions by disconnecting power when excessive current is detected.

Other devices, such as heating elements or lighting systems, do not typically require a line starter since they operate differently. Heating elements draw current continuously without the need for starting torque, and lighting systems mostly use different control mechanisms like switches or dimmers. Air conditioning systems may involve motors but are usually controlled by more complex systems that include refrigeration technology, temperature sensors, and various switch controls tailored to the specific operational needs of the system.