Cable glands are essential components in electrical systems, providing secure entry points for cables into enclosures while maintaining environmental protection and strain relief. For procurement specialists sourcing components for industrial, commercial, or outdoor applications, understanding the types, materials, and standards of cable glands is key to making informed purchasing decisions.
What are cable glands and why are they important?
Cable glands (also known as cable connectors or strain relief fittings) are mechanical devices used to seal and secure the ends of cables entering electrical equipment. They protect against dust, moisture, and mechanical stress, ensuring the integrity of the connection and the safety of the system.
In industrial environments, cable glands are commonly used in:
- Control panels
- Junction boxes
- Outdoor enclosures
- Machinery and automation systems
They are especially critical in applications requiring IP-rated protection, EMC shielding, or hazardous area compliance.
Key considerations for procurement teams
When sourcing cable glands, procurement professionals should evaluate several factors to ensure compatibility and performance:
2
Thread type & size
Metric, PG, and NPT threads must match your enclosure’s entry points.
3
IP rating
IP68 and IP69K ensure maximum dust and water resistance.
4
Cable diameter
Matching the cable size ensures proper sealing and strain relief.
5
Certifications
ATEX, UL, and IECEx approvals may be required for certain industries.
Popular applications
- Automation and control systems
- Renewable energy installations
- Telecom and networking
- Marine and offshore equipment
Sourcing tips
- Pre-assembled kits with locknuts and washers
- Custom labeling or packaging
- Technical datasheets and compliance documentation
Why cable glands matter
Cable glands may seem like a small component, but they play a vital role in protecting electrical systems and ensuring long-term reliability. For procurement teams, understanding the specifications and application requirements helps streamline sourcing and reduce installation risks.
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