3M Scotchfil Electrical Putty Tape, 1.5in x 5ft, Black, Pack Of 12

Designed to provide insulation around corners or on irregular surfaces. Self-fusing putty insulates connections up to 600V. Electrical-grade, non-corrosive synthetic rubber offers thick protection. Peel-off liner enables quick and easy placement. For use in temperatures between 32 deg. and 176 deg.F.