Duck brand Pro Series electrical tape is UL and CSA approved with excellent stretch, adhesion and conformability properties for both indoor and outdoor applications. The 7-mil black vinyl tape performs well up to 600-Volt and temperatures between 0 and 176-Degree Fahrenheit. The tape resists abrasion, moisture, solvents and is flame retardant. It is designed for both home and professional electrical and splicing applications. 3/4-Inch by 66-Feet roll.