Electric Floor Warming Cables for use with Uncoupling Membrane Systems. 277 FT, 84.6 Meters, 8.3 Amps, Power Consumption 998 Watts, Carton Weight 7.2 LBS, 2 Cartons per Case, Covers 73 - 86 SQFT at Standard Spacing, Covers 49 -59 SQ FT at Dense Spacing