GB/T 4 2125.7 - 2024 Safety requirements for electrical equipment for measurement, control and laboratory use, Part 7: Safety requirements for handheld and hand-operated probe assemblies for electrical measurement and testing, specifies safety requirements for handheld and hand-operated probe assemblies and their Accessories for use in electrical measurement and testing. These probe assemblies are used to achieve non-contact or direct electrical connections between components and test measurement equipment, may be fixed or as removable Accessories. The standard aims to ensure product safety and applies to similar product documents developed by technical committees in accordance with relevant principles.