3/4" x 30' Black (3 Pack) 3M 130C Electrical Tape. Highly conformable, linerless, high-voltage insulating tape. Primary electrical insulation for splicing all solid dielectric cables up to 69,000V. Ensures a moisture tight seal and void-free buildups. Works in temperatures from 0 to 194 degrees F. Aggressive, rubber-resin adhesive and a self-fusing, ethylene propylene backing.