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EMC cable glands and cables: Everything you need to know | WKK

EMC cable glands and cables: Everything you need to know

Posted on 21 July 2025

What is an EMC cable gland?

EMC cable glands are made of galvanically nickel-plated brass. This makes them stronger than cable glands made of plastic. Cable glands made of brass offer good resistance to corrosion and mechanical stress.

EMC stands for 'electromagnetic compatibility'. This cable gland helps within electrical installations to limit the mutual interference between devices. Electrical devices can interfere with each other, which can cause disruptions in, for example, radio or telecommunications equipment. The EMC directive therefore sets limits on electromagnetic emissions to prevent this type of interference.

An EMC cable gland thus provides EMC shielding.

What is EMC shielding?

EMC shielding (Electromagnetic Compatibility shielding) is the shielding of electronic equipment or cabling against electromagnetic influences from outside AND limiting the electromagnetic radiation that the device itself emits.

The goal is twofold:

  1. Prevent devices from causing interference in other electronic systems.
  2. Protect against interference from other devices or sources.

This can therefore be achieved with cable glands with EMC shielding.

Why use EMC cable glands?

EMC cable glands are thus used to prevent interference from occurring in electronic systems. Additionally, they protect the installation against interference from outside sources, such as other devices.

Would you like to know more about EMC cable glands? Contact one of our advisors for tailored advice.