in·su·lat·ing tape
noun/ˈɪnsjuleɪtɪŋ teɪp/
/ˈɪnsəleɪtɪŋ teɪp/
(US English also friction tape)
[uncountable]- a long narrow piece of sticky material used for covering the ends of electrical wires to prevent the possibility of an electric shock
绝缘胶带；电线胶布