Feed-through In-line on/off cord switch, single pole, screw terminals. 3 Amp, 120 volt AC. 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". Temperature rating of -40 to65 degrees C. UL Listed, Meets all CSA requirements.