The GardTec thermostatically controlled 90 Degree GHP50-36P green fan cord is designed to be used with cabinet cooling fans & features SPT-1 105 C, 300V wire. This fan cord has a thermostat built in to help save energy by controlling when the fan comes on. When the temperature goes above 88 F, the AC fan turns on, shutting off once the temperature goes below 80 F.