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Explore our primary range of heavy-duty plastic and metal cable glands designed to secure connection interfaces against moisture, dust, and structural stress.
In the modern landscape of industrial electrical installations, the demand for reliable and efficient cable management systems has reached an all-time high. Plastic cable glands, particularly those made from high-grade polyamide (Nylon PA66), have transitioned from simple utility components to critical safety and performance enablers. In automated production lines, petrochemical facilities, and renewable energy grids, these components ensure that electrical enclosures remain hermetically sealed against external environmental hazards.
Commercially, the shift toward plastic cable glands is driven by several key factors. First is the economic benefit. High-performance engineering plastics offer a cost-effective alternative to brass or stainless steel without sacrificing mechanical integrity. Second, the rising focus on corrosion resistance in coastal, marine, and chemical processing industries has made non-metallic cable glands the preferred choice. Unlike metal, plastic cable glands do not rust, degrade, or trigger galvanic corrosion when in contact with dissimilar metals, making them ideal for long-term outdoor deployment.
Nylon PA66 materials resist weak acids, alkalis, alcohol, ether, and common industrial solvents, ensuring stability in chemical plants.
Non-conductive properties eliminate the risk of electrical leakage through the gland body, enhancing overall system safety.
Reduces the total weight of terminal boxes and control cabinets, crucial for aerospace, marine, and mobile machinery.
Photovoltaic (PV) plants and wind farms operate under some of the harshest outdoor conditions. Solar combiner boxes and wind turbine control units are continuously exposed to UV radiation, extreme temperature fluctuations, and heavy rain. Plastic cable glands with UV-stabilized materials and IP68 waterproof ratings provide the necessary protection. They prevent moisture ingress that could cause short circuits, while their flexible strain relief claws protect cables from stress caused by wind-induced vibrations or thermal expansion and contraction.
Industry 4.0 relies heavily on sensors, actuators, and robotic systems connected via complex networks of power and data cables. In these environments, space is often limited, and cables must undergo repetitive motion. Right-angle (90-degree) nylon cable glands allow for clean cable routing in tight spaces, preventing sharp bends that could damage internal conductors. Additionally, the integrated strain relief mechanism ensures that cables remain securely attached to moving parts, such as robotic arms or automated conveyor systems, preventing accidental disconnection.
The marine industry demands components that can withstand constant exposure to saltwater and high humidity. While metal glands are prone to rust, plastic cable glands certified to JIS or marine standards provide an impenetrable barrier. They are used in shipboard wiring, offshore drilling platforms, and port machinery to seal electrical connections against high-pressure water jets and continuous salt spray, ensuring uninterrupted power and communication signals.
To meet the stringent safety requirements of global industrial markets, plastic cable glands must undergo rigorous testing and achieve international certifications. The two most critical markers of quality are IP68 Ingress Protection and UL (Underwriters Laboratories) Certification.
IP68 Rating: This standard defines the protection level against dust and water immersion. A certified IP68 plastic cable gland can withstand continuous immersion in water under specified pressures, making it suitable for wastewater treatment plants, underground conduits, and outdoor washdown areas.
UL Listing & Flammability (UL94): For North American and global markets, UL certification ensures the product meets safety standards for electrical equipment. Furthermore, the flammability rating of the plastic material (typically UL94 V-2 or V-0) indicates its fire-retardant properties. V-0 rated nylon glands will self-extinguish within seconds of flame removal, preventing the spread of fire inside electrical cabinets.
Future Development Trends: As industries move toward sustainability, manufacturers are developing halogen-free and bio-based plastics to reduce environmental impact. Additionally, the integration of smart monitoring features—such as temperature sensors embedded within the gland to detect overheating connections—represents the next frontier in cable gland technology for predictive maintenance in smart grids.
Founded in 2006, Zhejiang Hongxiang Connector Co., Ltd. is rooted in Yueqing, Zhejiang — a national hub for precision electrical manufacturing in China. After nearly two decades of dedicated development, the company has evolved into a large modern industrial connectivity solutions provider integrating R&D and design, large-scale intelligent manufacturing, global sales, and one-stop services. It stands as a benchmark enterprise of considerable scale and influence in China’s cable gland and connector industry, and a key player among national high-tech enterprises.
Boasting a modern intelligent manufacturing industrial park, the company operates a standardized production workshop of over 10,000 square meters, equipped with multiple high-precision automated production lines, CNC machining centers, and a full-process quality control laboratory, establishing an industry-leading large-scale manufacturing system. With a core team of more than 300 professionals — over 30% of whom are R&D and quality management personnel — its annual production capacity exceeds 80 million units. The company is fully capable of handling large-volume orders, urgent custom projects, and long-term strategic supply partnerships for domestic and international clients, ranking among the industry’s top tier in both production capacity and delivery efficiency.
Its core product portfolio includes metal cable glands, nylon cable glands, waterproof cable glands, explosion-proof connectors, conduit fittings, and various customized connecting accessories. These products serve high-end sectors such as industrial electrical equipment, new energy equipment, rail transit, shipbuilding and heavy industry, construction machinery, military supporting facilities, and communication & industrial control. Adhering to stringent manufacturing standards and uncompromising quality requirements, the company has obtained a series of internationally recognized certifications, including ISO9001, IATF16949 automotive quality management system, CE, UL, ATEX explosion-proof certification, RoHS, and IP68 high-protection rating. Its core technologies and product performance have reached international advanced levels, with nearly 100 invention and utility model patents to its name, continuously driving technological upgrading across the industry.
Milestones showing our journey from a local manufacturer to a globally recognized brand.
Yueqing Hoonsun Cable Gland Manufacturing Co., Ltd. mainly produces waterproof brass cable glands.
Factory relocated, new workshop area reached 2000㎡.
Company introduced numerical control equipment and automatic counting machine, guiding the company to automated production technology.
The company has developed a new design of cable seal, and applied for patent, patent number zl201020530888.7.
Our company was honored to be the supplier of special waterproof cable gland for the Aircraft Carrier "Liaoning" and our high quality of products have been recognized and exported to the global.
Company focused on research and develop various of new products: stainless steel, nylon, brass and other materials. Diversified production meets different requirements.
The company's employees expanded to 80 people, and the core of the business went international.
Company relocated again, new brand, appearance is more bright and international.
The company was upgraded and the company name was changed to Zhejiang Hoonsun Cable Gland Co., Ltd.
The factory has expanded, with over 120 employees and over 200 production equipment, and has vigorously expanded into other industries such as the photovoltaic industry. The company was upgraded and the company name was changed to Zhejiang Hoonsun Cable Gland Co., Ltd.
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The company currently has more than 120 employees, more than 200 production equipment, and is equipped with a professional sales and management team, committed to improving production efficiency and product quality.
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Get answers to the most common questions regarding plastic cable glands for industrial electrical installations.
A: Nylon PA66 provides an optimal balance of mechanical strength, impact resistance, thermal stability, and chemical resistance. It is self-extinguishing (UL94 V-2/V-0) and stands up to environmental exposure much better than standard PVC or cheaper plastics.
A: An IP68 rating guarantees that the cable gland prevents dust entry completely and can withstand continuous immersion in water. This is vital for outdoor junction boxes, solar plants, and marine environments where rain, flooding, or dust storms occur.
A: Yes, but they must be specifically certified for hazardous locations (such as ATEX/IECEx ratings). For standard industrial applications, high-grade plastic glands are sufficient, but for environments with combustible gases or dust, specialized explosion-proof glands (like our EX4 series) must be used.
A: Right-angle cable glands protect the minimum bend radius of cables in confined spaces, preventing stress-induced wire damage and ensuring clean, organized routing along panel walls.
Browse our complete list of certified cable glands. We offer solutions in plastic, brass, and stainless steel to fit all industrial electrical installation requirements.
