Professional Electrical Tape .75 in. x 66 ft. - Black. Want what the pros use for your electrical job? Black Duck Brand Professional Electrical Tape is ideal for most contractor electrical work and DIY applications requiring extreme endurance and resistance against cuts and scratches, even under severely cold temperatures. Hi-stretch means this professional-grade tape provides good protectioneven around thin wiresplus its high-performance adhesive keeps working in a wide range of temperatures. Whether youre repairing, installing, splicing, or bundling wires and other tools and materials, this tape stands up to the demands of your next electrical project.