How Do I Choose a Cable Gland?

Cable glands are a crucial component in electrical installations, providing a secure and safe way to pass electrical cables through a barrier while maintaining their insulation and integrity. They are commonly used in a variety of applications, such as power distribution, industrial automation, and building wiring. Choosing the right cable gland for your application can be critical to ensuring its effectiveness and safety. Here are some factors to consider when selecting a cable gland:

Cable Type and Size:

The cable type and size are essential considerations when selecting a cable gland. The cable's outer diameter should match the gland's maximum clamping range to ensure a secure grip. Glands come in various sizes, so you must select one that is suitable for your cable. Additionally, you should consider the cable's material, which can range from plastic to metal to rubber. Certain materials may require specific types of cable glands, so it's essential to verify the compatibility before making a selection.

 Unarmored Cable Gland

Environment:

The environment in which the cable gland will be used is another important factor to consider. Different environments will have different requirements for the cable gland, and selecting the right gland can ensure the cable's longevity and safety. For example, outdoor installations may require a gland that is weatherproof or waterproof, while corrosive environments may require a gland made from a corrosion-resistant material. Similarly, areas with exposure to explosive or hazardous materials may require a gland with special certifications to ensure safety.

Degree of Protection:

The degree of protection provided by the cable gland is also an essential consideration. Different types of glands provide varying levels of protection against moisture, dust, and other external factors that could damage the cable or cause electrical issues. The degree of protection is measured using an IP (Ingress Protection) rating. The first number in the rating indicates the level of protection against solids, and the second number indicates the level of protection against liquids. For example, an IP68-rated cable gland provides the highest level of protection against dust and water.

Cable Routing:

The route taken by the cable through the gland is another important consideration. Cable glands are available in various designs and shapes to accommodate different cable routing requirements. Some cable glands have a straight-through design, while others are angled or have multiple entries. It's crucial to select a gland that provides a proper seal around the cable while ensuring a smooth and safe route through the barrier.

Armored Cable Gland

Installation Method:

The method of installation is also a crucial consideration when selecting a cable gland. There are various methods for installing cable glands, including compression fittings, thread fittings, and locking nuts. The installation method may depend on the environment, the cable type, and the level of protection required. For example, compression fittings may be used for cables that require a higher degree of protection against moisture and dust.

Material:

The material used to manufacture the cable gland can affect its durability, strength, and resistance to external factors. Cable glands can be made from various materials, including plastic, brass, stainless steel, and aluminum. Each material has its benefits and drawbacks, and the selection will depend on the application's specific requirements. For example, stainless steel is an excellent choice for environments with high humidity, as it provides superior corrosion resistance.

Certifications:

Different industries have specific regulations and standards for cable gland certifications. It's essential to verify that the selected cable gland meets the relevant industry standards. Some common certifications include UL (Underwriters Laboratories), CSA (Canadian Standards Association), ATEX (Atmospheres Explosibles), and IECEx (International Electrotechnical Commission Explosive). MAM Explosion-proof Technology offers ATEX and IECEx certified ex proof cable glands with quality and service you can rely on. 

If you are looking for cable glands for hazardous areas, visit Explosion proof cable glands for industrial, high voltage and professional applications and we have you covered. Contact us. Our cable glands are available in brass, nickel-plated brass and stainless steel. Welcome to visit our website https://www.mam-ex.com.