When it comes to electrical installations, choosing the right cable gland is not just about matching sizes, it’s about safety, performance, and durability. At Exgrip, we specialize in manufacturing high-quality cable glands designed for both industrial and hazardous environments. In this guide, we’ll walk you through everything you need to know about selecting and comparing cable glands for 4 core cables.
What is a 4 Core Cable Gland?
A 4 core cable gland is used to securely connect and seal cables with four conductors (or cores) into enclosures or equipment. These glands prevent dust, moisture, or gas ingress, maintain electrical continuity, and offer mechanical strain relief. They’re commonly used in power distribution, control panels, automation systems, and heavy-duty industrial setups.
Why Proper Gland Selection Matters for 4 Core Cables
Proper selection ensures safe cable entry, long-term protection, and reduces downtime. A poorly selected gland can lead to water damage, dust intrusion, and electrical failure especially in multi-core cable setups like 4 core cables, which are often used in high-power or high-control environments
Best Cable Gland Types for 4 Core Cables
Single Compression Cable Glands
These are used for unarmoured cables in dry, indoor areas. They provide a basic seal on the outer sheath of the cable.
Double Compression Cable Glands
Designed for armoured cables, these glands seal both the inner and outer sheaths. They’re ideal for tough environments where enhanced protection is essential.
Barrier Cable Glands
For hazardous zones with flammable gases or dust, barrier glands provide resin-based sealing. Required for ATEX/IECEx certified installations.
Size Specifications for 4 Core Cable Glands
Here is a comparison of common 4 core cable sizes and suitable gland dimensions:
| Cable Size (Core mm²) | Typical Gland Size | Thread Type | Cable Diameter Range | Gland Length |
|---|---|---|---|---|
| 16mm² | M25 | M25x1.5 | 10mm – 14mm | ~60mm |
| 95mm² | M63 | M63x1.5 | 32mm – 48mm | ~85mm |
| 120mm² | M75 | M75x1.5 | 50mm – 70mm | ~110mm |
| 150mm² | M90 | M90x2.0 | 60mm – 80mm | ~120mm |
| 185mm² | M100 | M100x2.0 | 80mm – 100mm | ~150mm |
Ensure that you always measure the outer diameter of your cable and match it with the cable gland’s specified range for a perfect fit.
Material Choices for 4 Core Cable Glands
- Brass – Great for general industrial applications. Corrosion-resistant and durable.
- Nickel-Plated Brass – Offers additional protection in damp or chemically aggressive environments.
- Stainless Steel – Used in marine, food, and pharmaceutical industries for maximum corrosion resistance.
- Nylon/Polyamide – Lightweight, affordable, and ideal for indoor or non-hazardous use.
Waterproof & Ingress Protected Cable Glands
When working with 4 core cables, protection from dust and water is critical. Cable glands from Exgrip offer:
- IP66 – Resistant to powerful water jets
- IP67 – Protected against temporary immersion
- IP68 – Can withstand continuous underwater submersion
These make Exgrip glands perfect for both outdoor and industrial-grade environments.
Application-Based Comparison Table
| Environment | Best Gland Type | Recommended Material |
|---|---|---|
| Indoor, clean environment | Single Compression | Nylon or Brass |
| Outdoor, dusty/rainy | Double Compression | Brass/Nickel-Plated Brass |
| Oil & Gas Zones (ATEX) | Barrier Gland | Brass/Stainless Steel |
| Coastal/Marine Areas | IP68 Compression/Barrier | Stainless Steel |
Real Example: Installing a 120mm² 4 Core Cable
Imagine a 120mm² 4 core cable used in an offshore wind power project. You’d need:
- Double Compression Gland – For extra sealing and strain relief
- Material – Nickel-Plated Brass to resist sea air and humidity
- Thread Size – M75
- IP Rating – IP68 to handle rain, spray, and occasional immersion
Exgrip’s DCAB series fits this requirement perfectly.
Certified Cable Glands for 4 Core Cable Installations
All Exgrip cable glands meet or exceed:
- ATEX / IECEx for explosion-proof standards
- RoHS compliance
- ISO 9001 manufacturing standards
- IP66/IP67/IP68 ratings
Trusted Manufacturer of 4 Core Cable Glands
We’re not just another supplier; we are trusted partners to industries around the world. With over 28 years in cable gland manufacturing:
- We offer precision-crafted glands for all cable types
- Custom solutions are available for non-standard cable builds
- Fast dispatch with global reach
- Trusted by mining, power, automation, marine, and oil & gas industries
Looking for the right gland for your 4 core cables? ➡️ Visit exgrip.com or contact our experts for a quick consultation.
FAQs About 4 Core Cable Glands
What are waterproof cable glands for 4 core cables?
They are IP67/IP68-rated glands that protect 4 core cables from water and dust.
What’s the difference between single and double compression glands?
Single seals once, double seals twice, making it better for harsh conditions.
Are brass cable glands suitable for outdoor 4 core cables?
Yes, brass cable glands provide corrosion resistance and mechanical strength in outdoor conditions.
Which cable gland is best for armoured 4 core cables?
Double compression glands are best for armoured 4 core cables due to dual sealing.
Do Exgrip glands work in explosive atmospheres?
Yes, our barrier cable glands are ATEX and IECEx certified for use in hazardous areas.
If you found this blog helpful, check some of the other blogs below:
- Leading Cable Gland Manufacturer in India : Ex Grip
- Double Compression Cable Gland Size Chart & Parts
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