3M Temflex Vinyl Electrical Tape 1700
 
Primary electrical insulation for all wire and cable splices rated up to 600 volts
It is a polyvinyl chloride (PVC) tape that is flame-retardant and conformable
Provides excellent mechanical protection with minimum bulk
 
Testing and Approvals:

UL Listed; UL 510 Standard "Insulating Tape" (product category OANZ), File E129200; CSA Certification; Standard C22.2 No. 197-M1983 "PVC Insulating Tape," File LR 48769