super33Scotch Super 33+ Vinyl Electrical Tape is a 7 mil thick, premium grade tape that provides electrical insulation for all wires and cables rated up to 600V. The flame retardant tapeScotch® Super 33+™ Professional Grade Vinyl Electrical Tape is a black, 7 mil (0.18 mm) tape, on a 1 in (25.4 mm) core, combines the flexibility of a PVC backing with excellent electrical insulating properties to provide primary