3/4″ x 30′ Black (3 Pack) Scotch® Linerless Rubber Splicing Tape 130C

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° F.
Aggressive, rubber-resin adhesive and a self-fusing, ethylene propylene backing.