Morris 60202 Black Commercial Grade Vinyl Electrical Tape, 8.5 mil, 66' Length, 2" Width 8.5 Mil Commercial Grade Vinyl Electrical Tape - All Weather Commercial Grade Splicing Tape used as Primary Insulation up to 600V and as a Protective Outer Jacket for Higher Voltages. 8.5 Mil Commercial Grade Vinyl Electrical Tape is comes in 3/4" and 2" Widths Comparable To 3M 88 Tapes Use as Primary Insulation up to 600V Use as Protective Outer Jacket at Higher Voltages