insulating 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