Examlex
Explain what an index number is and how it is computed.What level of measurement is required to compute index numbers?
Motor Starter
A device or system that controls the use of electrical power to equipment, especially motors, preventing damage by controlling the electrical power for starting the motor.
Maintained Contact
A switch mechanism that keeps or maintains its position (either on or off) until manually changed or actuated.
Momentary Contact
Momentary contact refers to an electrical switch or relay contact that only completes the circuit while being physically engaged or pressed.
Three-Wire
A wiring configuration typically used in electrical circuits, incorporating a live wire, a neutral wire, and a ground wire for safety.
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