Size:Cord HemingWeigh Salt Lamp Cord with On/Off Switch This HemingWeigh Salt Lamp Cord Set is designed for salt lamps, selenite lamps as well as other lighting applications. With a wire butterfly clip it fits a range of hole diameters. The components of this cord set are UL listed and CE certified. Has a 5 foot cord with an attached E12 size socket. Made for 110V and max 15W bulb. The cord includes a switch with a simple on-off rocker style button.