HT Instruments 404-IECV Safety Adapter, 4mm Banana Plug to 4mm Banana Socket, CAT III 1000V / CAT IV 600V, 20A, Green 1003032

Electrical test technicians and maintenance engineers working on high-energy circuits can use this green safety adapter to connect a 4mm banana plug to a 4mm banana socket. It is rated for CAT III 1000V and CAT IV 600V, making it suitable for measurements on building installations and industrial power systems. The adapter handles up to 20A and features double insulation for safe handling.

Key specifications

• Connector type: 4mm banana plug (male) to 4mm banana socket (female)
• Safety rating: CAT III 1000V, CAT IV 600V
• Rated current: 20A
• Insulation: double insulated, PA/PVC
• Contact material: nickel-plated brass
• Colour: green
• Operating temperature: -10 to +50 °C
• Standard compliance: IEC/EN 61010-031
• Pack quantity: 1 piece

Why choose it

The adapter is built for safe, reliable connections in demanding electrical test environments. Its double insulation and high CAT ratings reduce risk when working near live circuits, while the nickel-plated contacts ensure low contact resistance and long-term durability.

Ideal use cases

• Extending test leads in CAT III and CAT IV measurement setups
• Adapting between banana plug and socket connections on multimeters and test equipment
• Industrial maintenance and troubleshooting of power distribution systems

Good to know

The adapter complies with IEC/EN 61010-031 safety requirements for test accessories. It is designed for professional use by qualified electricians and technicians.