Nuheat cable is an electric radiant floor heating system designed to allow installers to customize the layout instantly making adjustments to the floor heating coverage for any room. Features includes thinnest power lead and connection joint keeps your floor profile low and eliminates notching of sub floor. New cable guide design ensures they lay flat and plastic material won't nick the cable. Cables guides each is 12 inch long are included in the box. Zero EMF cable design uses 2 conductors twisted for active EMF cancelling. Halfway point is marked on each cable so you can adjust if needed. 25 year manufacturer warranty.