What does a cord marked with "H07RN-F" signify?

A cord marked with "H07RN-F" signifies a type of heavy-duty flexible cable that is both water-resistant and suitable for outdoor use. The "H" stands for "harmonized," indicating that the cable meets European standards, while "07" represents the voltage rating, which is up to 450/750 volts.

The "R" in the designation refers to the cable being rubber-insulated, which provides durability and flexibility, distinguishing it from other types of cables. The "N" indicates that the insulation is generally resistant to oil, which is particularly useful in environments where exposure to various types of fluids may occur.

Lastly, the "F" indicates that the cable is flexible, allowing for easy maneuvering and installation in various applications. Overall, the features of the "H07RN-F" cable make it an excellent choice for demanding installations where water resistance is crucial, such as in construction sites or outdoor electrical equipment.