3M Temflex Vinyl Electrical Tape 1700, 3/4" x 36 yd roll in black , 7 mil tape is primarily for the electrical insulation for most wire and cable splices rated up to 600 low-voltage, flame-retardant tapes designed to provide electrical insulation for all wires and cables and is rated up to 600V. UL Listed and RpJS 2011/65/EU Compliant, Tape 1400 continuously perform as in temperatures up to 76° F (80°C ). 3M Tape 1400 Electrical tape provides electrical and mechanical protection with the combination of an aggressive, rubber-resin adhesive and elastic PVC backing. This tape inhibits the corrosion of electrical conductors.