friction tape
noun
a cloth or plastic adhesive tape, containing a moisture-resistant substance, used especially to insulate and protect electrical wires and conductors.
Origin of friction tape
First recorded in 1915–20
Words nearby friction tape
British Dictionary definitions for friction tape
friction tape
noun
US and Canadian
adhesive tape, impregnated with a moisture-repelling substance, used to insulate exposed electrical conductors
Also called (in Britain and certain other countries): insulating tape