WarriorWrap® 732 Premium 7 mil Electrical Tape. We designed WarriorWrap Specialty Tape to meet your exacting requirements and the demanding environments of electrical construction, so you can be confident every residential or commercial application can be wrapped up right. Made of 7mil thick PVC with a rubber-based adhesive, WarriorWrap 732 Premium tape is rated as primary insulation for circuits of up to 600 volts.