Scotch Super 33+ Vinyl Electrical Tape is a 7 mil professional grade all-weather vinyl black electrical insulating tape with a strong adhesive and highly elastic backing. It readily conforms to irregular surfaces for exceptional water-resistant electrical and mechanical protection. PVC backing with professional-grade electrical insulating properties provides primary electrical insulation for splices up to 600V and protective jacketing. This electrical tape is UL Listed and CSA Certified and offers excellent resistance to sunlight abrasion moisture copper corrosion alkalis and acids and is flame-retardant. Operating temperature range of 0to 220F (-18 to 105C) exceeds most commercial-grade specifications. Scotch Super 33+ Vinyl Electrical Tape has been rated AmericaÂs #1 professional grade vinyl electrical tape in a tape brand preference survey conducted by Opinionology a consumer research survey firm based in Orem Utah. Overall the same survey found that 3M brands of electrical tape are preferred by 9 out of 10 customers. Scotch 33+ Vinyl Electrical Tape is proudly made in the USA. For more than a century 3M has applied innovation and technology to improving our customersÂ lives and supporting their business goals. Today the company from its headquarters in St. Paul Minnesota serves industrial and commercial customers and consumers in nearly 200 countries. 3M electrical products for industrial commercial and residential construction and maintenance include electrical insulators connectors splices terminations terminals fire-resistant tapes cable ties portable labelers and diagnostic and detection products. The 3M brand across thousands of products represents consistency superior quality and value.