Final answer:
Overload indicators on CSPs use a thermistor to give an indication of the winding temperature.
Step-by-step explanation:
Overload indicators on CSPs use a thermistor to give an indication of the winding temperature. A thermistor is a type of temperature sensor whose electrical resistance changes with temperature. It is commonly used in applications where temperature monitoring is required, such as in overload indicators. The thermistor measures the temperature of the winding and provides an electrical signal that indicates the temperature level, helping to prevent overheating and potential damage.