Schluter® DITRA-HEAT Heating Cable 240VThe 240V DITRA HEAT cable is the right choice for most heated tile floors it draws half the amps of 120V for the same heat output, which means you can heat larger areas on a single circuit. Required by code in Quebec. Twin conductor twisted pair design produces essentially zero EMF snaps directly into DITRA HEAT and DITRA HEAT DUO membranes with no clips or self leveler needed Delivers approximately 11W per sq ft at standard 3 stud spacing warm enough