These test leads from Chauvin Arnoux are standardised cables for general measurement tasks in the electrical and measurement technology sector. They consist of PVC insulation and feature straight plugs with a diameter of 4 mm at both ends. The cables are rated for an operating voltage of 600 V in category CAT IV and 1000 V in category CAT III, making them suitable for measurements in electrical installations up to distribution levels. The maximum current load capacity is 15 A, and the length of each cable is 1.5 m. The set includes two cables, one in red and one in black, enabling clear distinction between positive and negative poles.

Applications
These test leads are designed for use in electrical installations, particularly in environments where a high safety class is required. The CAT IV/600 V classification makes them suitable for measurements at main distribution boards, meter boxes, or other primary distribution points. The CAT III/1000 V classification also allows measurements at secondary distribution points, such as in buildings or industrial installations. The cables are designed for general applications in the trade and maintenance, where a reliable and safe connection between measuring instrument and measurement object is required.

Functions and Equipment in Detail
The cables are equipped with straight, insulated plugs that ensure a secure and stable contact. The PVC insulation provides sufficient protection against mechanical damage and electrical discharges. The colour coding (red/black) facilitates polarity identification and reduces measurement errors. The length of 1.5 m provides sufficient reach for typical measurement tasks without the cables becoming excessively long and unwieldy.

Technology Explained Simply
The specification 600 V CAT IV means that the cables are suitable for measurements in the highest safety category (CAT IV) up to 600 volts. This category includes the primary distribution level, such as energy meters or main distribution boards. The 1000 V CAT III classification refers to secondary distribution levels, such as distribution boards in buildings or industrial installations. The 15 A load capacity is sufficient for most measurement tasks in the field of electrical engineering. The PVC insulation offers good protection against mechanical stress and moisture, although the cables are not specifically designed for outdoor use.

Compatibility and Accessories
The test leads are compatible with measuring instruments that have 4-mm plug connections, such as multimeters, clamp meters, or other electrical measuring instruments. Use with devices requiring other plug formats is not possible.

Installation and Mounting
Installation is carried out by simply plugging the cables into the corresponding connections of the measuring instrument and the measurement object. No additional tools or mounting procedures are required. The cables are flexible and easy to handle, with the PVC insulation providing a certain degree of mechanical stability.

Operational Advantages
The cables provide a reliable and safe connection for measurements in electrical installations. The combination of CAT IV/600 V and CAT III/1000 V enables a wide range of applications. The colour coding and robust PVC insulation increase safety and user-friendliness. The length of 1.5 m provides sufficient flexibility for typical measurement tasks without excessive extension.