What type of contact is associated with a device intended to start a function?

The type of contact associated with a device intended to start a function is normally opened. This is because a normally opened contact remains open or unclosed until it is energized, which typically occurs when a switch or push button is activated. In practical applications, this means that when you press the start button, the circuit closes and allows current to flow, initiating the desired function or action, such as starting a motor or activating a sensor.

Normally opened contacts are essential in control circuits where a specific action is intended to occur only upon activation. This feature helps ensure that devices do not inadvertently operate without explicit user input. Understanding this concept is crucial in the design and troubleshooting of control systems since it clarifies how operators interact with devices to trigger specific functions reliably.