Overshelves: U.L.-listed food warmers for 120V, 208V or 240V, single phase operation contain infrared lamps, each furnished with infinite control and rated at 675 watts either voltage. Field wiring to lamps furnished by others. Chrome-plated wire rack on bottom overshelf. Legs: Heavy gauge stainless steel. 1 5/8″ diameter. Adjustable metal feet. Undershelf: 18 gauge stainless steel. Adjustable.