A 16mm cable gland refers to a specific size of cable entry device used to secure and seal cables to equipment. The "16mm" designation indicates the nominal size of the cable gland's entry hole. These glands are designed to accommodate cables with a maximum diameter of 16mm. The actual hole size may vary slightly depending on the manufacturer and design. 16mm cable glands are used in various applications across different industries, including electrical installations, telecommunications, industrial automation, and manufacturing. They are suitable for situations where cables need to be securely connected to equipment while providing environmental protection.