The GardTec thermostatically controlled 45 Degree GHP75-24P green fan cord is made to be used with cabinet cooling fans & features SPT-1 105 C, 300V wire. This fan cord has a thermostat built in to help conserve 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.