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 tape3M Scotch Super 33+ Vinyl Electrical Tape is a premium grade, 7 mil thick, all-weather vinyl-insulating tape. It is desned to perform continuously between a temperature range of (-18) to