In a cooling system, as temperature rises, the switch contacts ____ and turn on the cooling device.

In a cooling system, as the temperature rises, the switch contacts close, which activates the cooling device. This mechanism is essential for maintaining the desired temperature within a controlled environment. When the temperature exceeds a preset threshold, the thermostat signals the switch, prompting it to close. This action completes the electrical circuit and provides power to the cooling device, such as an air conditioner or a refrigeration system.

The closing of the switch is a critical response to increased temperature, allowing the system to react effectively. By sealing the circuit, it enables the cooling device to engage and counteract the rise in temperature. Consequently, this action helps return the environment to the desired setpoint. Understanding this fundamental operation is vital for troubleshooting and implementing cooling systems effectively, emphasizing the importance of the switch contacts' role in regulation.