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 3M Super 33+ Vinyl Electrical Tape, .75-Inch x 66-Foot, Pack of 10 Rolls, Insulates and Protects Against Abrasion and Moisture, Protective Jacketing up to 600V Splice Insulation (6132-BA-10) 4.7 out of 5