Nu-Heat N2C032037 Cable Kit, 18 AWG, 240 V, 1.8 AMP, 420 WTT, 137 OHM, Temperature Rating: 105 DEG C, TEW Insulation, Jacket Material: TEW, Red Wire, Black Power Lead, Length: 131 FT, Weight: 5.8 LB, Heated Area: 35 SQ-FT, For Used To Keep Under Tile, Stone, Marble, Engineered Wood, Laminate, Shower Beds, Benches Or Saunas, Stairs Surfaces At Just-Right Temperatures Application