Electrical tape

Also known as vinyl electrical tape.

A flexible insulating tape intended for electrical conductors and connections; it is not a substitute for gaffer tape.

Electrical tape versus gaffer tape

Electrical tape: Use for the insulating and bundling purpose specified by its manufacturer and the applicable electrical rules.
Gaffer tape: Use for temporary production fastening and labeling where insulation is not the engineering requirement.

Trade usage varies by region and source. Treat informal explanations as probable rather than definitive.

Confidence: probable.

Educational reference only. Requirements vary by jurisdiction, employer, venue, and production context.