We purchased the wrong size cable for a bathroom project, and it is too late to return the product. Hoping someone else could use this: Schluter Systems DITRA-HEAT-E Floor Heating DHEHK Cable (32.0 Ft²) Brand Schluter Systems Power Source Corded Electric Item Dimensions LxWxH 12.9 x 12.1 x 4.4 inches Voltage 240 Volts, 120 Volts Item Weight 4 Pounds Heat Output 338 Watts Style Indoor Installation About this item 338 Watt 2.8 Amp 26.7 sq ft 88.2 Line Ft 120V Tirzah Griffin 206-265-1684 (text is best)