Whirlpool 30-in 4 Elements Coil Black Electric Cooktop OVERVIEW Meet all your cooking needs with the 30-inch electric cooktop with dishwasher-safe knobs.Use the infinite heat controls to select a heat output ranging from low to high for more convenience as you cook. A porcelain SpillGuard™ cooktop also helps contain messes and makes cleanup easier with a raised-ridge design. 30-in electric cooktop in black with high-speed coil elements that provide high temperatures for boiling and frying Hot surface indicator light illuminates when the cooktop surface is still hot to the touch even after the heating element has been turned off Chrome drip bowls helps catch spills and wipes up easily Push-to-turn infinite-heat controls provide endless temperature options for more cooking flexibility 240 volts Whirlpool electric cooktops are installable over most wall ovens, so you can cook everything in one place