Classification of specialized plastic instruments for insulation, protection, and organization of electronic measuring equipment used in experimental, research and development, and quality control departments. Includes insulation covers for electronic measuring instruments, probe holders, cable organizers, measuring instrument protective cases, insulation stands, wiring guides, anti-static trays, etc. Supports safe operation and storage of precision electronic equipment such as oscilloscopes, multimeters, and signal generators, providing electrical insulation and chemical resistance in experimental environments. Auxiliary instruments specifically for electronic measurement, distinguished from general laboratory plastic equipment and factory plastic components.