Electric Floor Warming Cables for use with Uncoupling Membrane Systems. 109 FT, 33.3 Meters, 3.3 Amps, Power Consumption 394 Watts, Carton Weight 3.6 LBS, 2 Cartons per Case, Covers 28 to 34 SQFT at Standard Spacing, Covers 19 to 23 SQFT at Dense Spacing