super333M Super 33+ provides flexibility and easy handling for all-around performance. Its PVC backing with its excellent electrical insulating properties provides primary electricalScotch 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