Attributes . Its Warrior Time. At NSI, we put our 45 years of experience in the electrical industry into WarriorWrap, electrical tape strong enough to rise to any challenge.For insulating, splicing or marking cables and wires on the jobsite, choose WarriorWrap, available in 12 colors and 3 grades of quality. That quality starts with strong adhesion to stick to uneven surfaces. But thatâ??s not allâ??it also features the best breaking strength around and unmatched elasticity to hold tight in indoor residential or commer . Names