AmazonCommercial Vinyl Electrical Tape, 3/4 in x 60 ft x 0.007in (19 mm x 18.3 m x 0.18mm), Brown, 6-Pack

Flexible PVC and rubber-based adhesive tape for electrical application
Ideal for wire repairs, marking or bundling cables, sealing, reinforcement, and more
Rated at 600V maximum operating voltage with a continuous operating temperature of 80°C.
CSA and UL-listed for safety and performance
Self-extinguishing plasticized PVC is flame retardant