Yescom 20 sq.ft. Heat Tech 120V Electric Tile Radiant Floor Heating Mat w/UL Listed for House Home etc. This 20 sq.ft. Electric Floor Heating Mat is UL listed and CUL listed Voltage: 120V, Amps: 2.4A, Watts: 280W, Cable Spacing: 3", 51.4ohms More safe: Twin conductor cable structure FEP insulation which can resist high temperature Zero Electro Magnetic Field (EMF)