Feed-through In-line On/Off cord switch, single pole, screw terminals. 3 A, 120 VAC. For flat or round cords, 18/2 SPT-1, SPT-2, HPN, 16/2 SPT-1, SPT-2, HPN, round cords, type SVT, maximum diameter 9/32 in. Temperature rating of -40 to 65 deg C. UL listed, meets all CSA requirements.