Insulation tape "Excel" is used for the insulation of the heating system, it is placed at the terminals for connection and at the opposite end of the strip heater film "Excel" where copper semiconductors are cut. Use of an insulating tape "Excel" prevents moisture and electric ottechki and ensure proper insulation of the heating system. Isolation of a heating foil tape "Excel" is required 30 cm. Insulating tape "Excel", which is cut into 6 pieces. equal parts 5 x 5 cm. Now cut pieces are placed in 2 pcs. of each terminal (one top and one bottom), the other 2 pcs. are placed at the opposite end of the strip heating foil "Excel" wherein copper semiconductors are cut by bending it so as to adhere to both the upper and lower surfaces.