How to Install Nylon Cable Glands Correctly

Feb 20 , 25

Installing nylon cable glands correctly is crucial for ensuring the safety and proper functioning of electrical systems. Incorrect installation can lead to issues such as cable damage, poor electrical connections, and compromised protection against environmental factors. Here is a comprehensive guide on the proper installation process.
1. Preparation
1.1 Select the Right Cable Gland
First and foremost, choose a nylon cable gland that is suitable for your specific application. Consider the diameter of the cable you will be using. The gland should have an inner diameter that closely matches the outer diameter of the cable. If the gland is too large, it won't provide a proper seal, and if it's too small, it may damage the cable during installation. Also, take into account the environmental conditions. For example, if the installation is in a wet area, select a waterproof - rated nylon cable gland.
1.2 Gather Tools
You will need a few basic tools for the installation. A pair of wire cutters or a cable stripper is necessary to prepare the cable ends. A screwdriver or a wrench, depending on the type of gland (some have screw - on nuts, while others may require a wrench for tightening), is also essential. Additionally, having a measuring tape or calipers to accurately measure the cable diameter can be helpful.
1.3 Prepare the Cable
Using the wire cutters or cable stripper, cut the cable to the appropriate length. Then, carefully strip the outer insulation of the cable, leaving a sufficient length of the inner conductors exposed. The length of the stripped section should be in line with the requirements of the cable gland. Be cautious not to damage the inner conductors during the stripping process.
2. Installation Process
2.1 Insert the Cable
Insert the prepared cable through the body of the nylon cable gland. Make sure the cable is centered within the gland. Some cable glands have a tapered or stepped - inner design to help guide the cable and ensure a proper fit. If the gland has a locking mechanism, keep it in the open position during this step.
2.2 Secure the Gland
For cable glands with a nut - and - bolt mechanism, place the nut over the cable and then thread it onto the gland body. Start tightening the nut gradually. Use a screwdriver or wrench to apply even pressure. As you tighten, the inner components of the gland, such as the sealing ring and the clamping elements, will start to engage with the cable. If the gland has a compression - style fitting, follow the manufacturer's instructions to properly compress the gland onto the cable. This may involve using a specific tool to apply the correct amount of pressure.
2.3 Adjust the Tightness
It's important to achieve the right level of tightness. Over - tightening can damage the cable, causing the outer insulation to crack or the inner conductors to be pinched. Under - tightening, on the other hand, will result in a poor seal and ineffective cable retention. As a general rule, tighten the gland until the sealing ring is compressed evenly around the cable and the cable is held firmly in place. You can test the tightness by gently tugging on the cable; it should not move freely.
3. Post - Installation Checks
3.1 Visual Inspection
After installation, conduct a visual inspection. Check that the cable is properly centered within the gland and that there are no visible signs of damage to the cable or the gland. Look for any gaps or misalignments in the gland components. The sealing ring should be fully compressed and in contact with the cable all around.
3.2 Functionality Check
If possible, perform a functionality check. For example, if the cable is part of an electrical circuit, power on the system and check for any electrical malfunctions. Ensure that there are no short - circuits or open - circuits. In applications where the cable gland is used to protect against environmental factors, such as water or dust, you can perform a simple test to check the integrity of the seal. For a waterproof gland, you can briefly submerge the installation in water (if it's safe to do so) and check for any signs of water ingress.
By following these steps carefully, you can ensure that your nylon cable glands are installed correctly, providing reliable protection and performance for your electrical systems.

Nylon Cable Gland with Strain Relief

Our Nylon Cable Gland with Strain Relief is a high-performance sealing and fixation device designed to protect cable connections from environmental hazards such as dust, moisture, vibration, and mechanical stress. Made from durable nylon material, this cable gland combines lightweight construction with exceptional corrosion resistance, making it ideal for harsh industrial environments. Its integrated strain relief mechanism ensures secure cable retention, preventing pull-out and prolonging the lifespan of your electrical systems.

Key Features

1. Wide Compatibility

• Thread Standards & Sizes:

• PG Thread: PG7 to PG21 (European standard).

• Metric Thread: M12 to M27.

• NPT Thread: NPT1/4 to NPT3/4 (American tapered pipe thread).

• G Thread: G1/4 to G3/4 (ISO parallel thread).

• Cable Diameter Range: 3 mm to 18 mm, accommodating various cable types for power, signal, and data transmission.

2. Robust Strain Relief Design

Reinforced locking mechanism prevents cable slippage and protects against tension, torsion, and bending stresses.

Flexible sealing ring ensures a tight seal even with irregular cable surfaces.

3. Durable Nylon Construction

High-quality PA66 material offers excellent resistance to UV radiation, chemicals, and temperatures ranging from -40°C to +100°C.

Lightweight yet mechanically robust for long-term reliability.

4. Versatile Color Options

Standard colors: White and Black (suitable for most applications).

Custom colors available upon request to match equipment branding or environmental requirements.

5. Easy Installation

Split-design nut simplifies assembly without disconnecting cables.

IP68/IP69K protection rating ensures watertight and dustproof performance.

Applications

• Industrial automation control systems.

• Machinery, robotics, and motor connections.

• Renewable energy systems (solar, wind power).

• Outdoor LED lighting, telecom cabinets, and marine equipment.

• Chemical plants, food processing, and other corrosive environments.

Technical Specifications

• Material: Nylon PA66 (UL94 V2 flame-retardant grade).

• Temperature Range: -40°C to +100°C.

• Protection Rating: IP68/IP69K (submersion and high-pressure wash resistant).

• Certifications: RoHS compliant, REACH tested.

Customization Services
We offer tailored solutions for unique requirements, including:

• Special thread sizes or combinations.

• Custom cable entry/exit angles.

• Brand-specific colors or markings.

• Bulk packaging (economical for large-scale projects).

Why Choose Our Cable Gland?

• Global Standards: Supports multiple international thread types for seamless integration.

• Cost-Effective: Reduces maintenance costs by preventing cable damage.

• Adaptability: Perfect for retrofitting existing systems or new installations.

Nickel Plated Brass Blanking Plug

Nickel plated brass plugs are ductile and conductive. Nickel plating improves corrosion resistance, provides a smooth appearance and wear resistance. Used to keep out dust, dirt and moisture

Snap Bushing

The snap-on bushing is made of nylon 66, with high fire rating, oil and corrosion resistance. It is mainly used to plug the prepared holes on the housings of various cabinets, chassis, etc. It can be used as a preparation hole, or used to plug excess holes to maintain the appearance of the disk. To install, simply drill holes into the base plate and press the hole plugs in.