Warmup Commercial Grade Heating Cable (Constant Wattage), 240V 176'L, 950W, 4.0 amps. Covers 44-74 sq ft of heated areaWarmups WODH cable is used specifically for thermal storage heating in building foundations. There are other more specific applications for this cable (see Applications) but its main purpose is to heat a thermal mass, which can then release the heat over a long period of time. This is particularly useful for buildings operating on solar power or benefiting from dual tariffs or electric rates (low cost at night, high cost during the day). The WODH is a