Home · Products · Ground Clamps · Connection terminal

Connection terminal

Connection terminal

A connection terminal is a key component used to connect conductors in electrical systems. Its primary function is to achieve efficient and stable transmission of current or signals, ensuring reliable electrical contact between lines. This type of product can withstand heat, vibration, and environmental changes during long-term operation. Connection terminals are widely used in power equipment, communications systems, industrial automation equipment, and household appliances. They are an essential component for ensuring the safe and stable operation of electrical systems. They are designed to facilitate the rapid installation, regular maintenance, and replacement of cables and conductors, improving maintenance efficiency and reducing operational risks.

Message Feedback
About Us
Shaoxing Sweld Electric Co., Ltd.

Shaoxing Sweld Electric Co., Ltd. was established in 2018, located in Shengzhou, Shaoxing, China, the hometown of Shaoxing Opera. Covers an area of 3000 square meters, has a professional technical team and sales elite, a total of more than 50.                                                            

The factory mainly produces exothermic welding powder and a complete set of products, including Ground rods, Ground wire, Stranded Wire, all kinds of electrical hardware connection parts and lightning rod products. We have an annual production capacity of 500 tons of exothermic welding powder, providing various packaging solutions. Equipped with 7 high-speed CNC machining centers, with a daily production capacity of 180 sets of exothermic welding molds, it can provide customers with real-time design and manufacturing molding.                              

 Sweld has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, and ISO45001 occupational health and safety management system certification. And we also provide exothermic welding powder export special dangerous package certificate, exothermic welding molds export license, all kinds of products have passed the national certification laboratory product testing certification.                            


Certificate Of Honor
  • CERTIFICATION OF QUALITY MANAGEMENT SYSTEM
  • CERTIFICATION OF QUALITY MANAGEMENT SYSTEM
  • CERTIFICATION OF ENVIRONMENTAL MANAGEMENT SYSTEM
  • CERTIFICATION OF ENVIRONMENTAL MANAGEMENT SYSTEM
  • CERTIFICATIONOF OCCUPATIONHEALTH AND SAFETY MANAGEMENT SYSTEM
  • CERTIFICATIONOF OCCUPATIONHEALTH AND SAFETY MANAGEMENT SYSTEM
News

Copper Ring Terminal Applications in Power Distribution and Grounding Systems

In power distribution networks, Copper Ring Terminal applications focus on providing stable and predictable electrical connections between conductors and power equipment such as circuit breakers, distribution panels, busbars, and transformers. These networks operate under continuous electrical load, where current flow, thermal variation, and mechanical forces interact over long periods. Copper Ring Terminals are designed to support consistent contact pressure between the conductor and fastening point, helping us maintain uniform electrical performance during daily operation. The closed-ring structure surrounds the fastening stud completely, reducing movement of the conductor under vibration or load fluctuation and supporting long-term connection stability. Within distribution cabinets and switchgear assemblies, Copper Ring Terminals allow us to achieve orderly cable routing and standardized connection layouts. This contributes to improved installation efficiency and simplified inspection procedures. When Copper Ring Terminals are properly sized and installed, contact resistance remains stable, helping us limit localized heating at connection points and supporting predictable system behavior. Copper material also provides favorable conductivity characteristics, allowing current to pass efficiently without excessive energy loss.
Shaoxing Sweld Electric Co., Ltd. produces Copper Ring Terminals as part of a broader electrical hardware connection product system. Established in 2018 in Shengzhou, Shaoxing, China, the company operates a 3000-square-meter manufacturing facility supported by a professional technical team and experienced sales personnel. With access to seven high-speed CNC machining centers, Shaoxing Sweld Electric Co., Ltd. maintains consistent dimensional control during Copper Ring Terminal production. This manufacturing capability supports compatibility with various conductor sizes and fastening standards commonly used in power distribution networks. From a system design perspective, Copper Ring Terminals are frequently selected in applications where long-term fastening stability is preferred over quick-release designs. In fixed power distribution infrastructure, where conductors are not frequently disconnected, the ring-type terminal provides a connection method aligned with long service cycles. By integrating Copper Ring Terminals with grounding conductors, stranded wire, and other electrical hardware produced by Shaoxing Sweld Electric Co., Ltd., us can establish coordinated power distribution solutions that support structured system layouts and controlled electrical performance.

Grounding system architecture relies on continuous electrical paths that allow fault current, static electricity, and surge energy to be directed toward the earth in a controlled manner. Within this structure, Copper Ring Terminals serve as connection interfaces between grounding conductors and grounding elements such as ground rods, grounding bars, earthing plates, and structural steel. The geometry of the Copper Ring Terminal allows us to maintain full circumferential contact around fastening points, supporting uniform pressure distribution and stable electrical continuity over time. Grounding connections are often exposed to environmental influences such as humidity, soil chemistry, temperature variation, and mechanical stress. Copper Ring Terminals offer favorable performance characteristics in these conditions due to the inherent properties of copper, including resistance to corrosion and stable conductivity. When used in grounding systems, Copper Ring Terminals help us maintain consistent resistance values at connection points, supporting predictable grounding performance during normal operation and fault conditions.
Shaoxing Sweld Electric Co., Ltd. manufactures grounding-related products including ground rods, ground wire, stranded wire, and exothermic welding materials, with an annual exothermic welding powder production capacity of 500 tons. By producing Copper Ring Terminals within the same manufacturing system, Shaoxing Sweld Electric Co., Ltd. enables coordinated application of mechanical connections and permanent bonding solutions. In grounding system design, us can select Copper Ring Terminals for locations where bolted connections are preferred, such as grounding bars or equipment bonding points, while combining us with exothermic welding in buried or permanent joints. From an installation standpoint, Copper Ring Terminals simplify grounding conductor termination by allowing clear visual confirmation of fastening integrity. Maintenance personnel can inspect and re-tighten connections during routine system checks without complex procedures. Shaoxing Sweld Electric Co., Ltd. supports this practical application approach by providing Copper Ring Terminals with consistent hole diameters, material thickness, and surface quality, enabling predictable installation results across grounding system projects.

High-current applications place elevated demands on electrical connection components due to increased thermal load and electromagnetic forces. In such environments, Copper Ring Terminals are used to connect conductors in power distribution lines, industrial feeders, and energy transmission interfaces where current density remains high during operation. The design of the Copper Ring Terminal supports large contact areas between the conductor lug and the fastening surface, allowing current to flow with stable resistance characteristics. As current increases, any irregularity at the connection interface can lead to localized temperature rise. Copper Ring Terminals help us manage this condition by maintaining uniform pressure distribution around the fastening point, reducing the likelihood of uneven contact surfaces. Copper material also supports effective heat dissipation, allowing thermal energy generated at the connection point to spread across a wider area. This behavior contributes to predictable thermal performance during sustained load operation.
Shaoxing Sweld Electric Co., Ltd. produces Copper Ring Terminals using precision CNC machining and controlled forming processes. With seven high-speed CNC machining centers, the company maintains consistency in terminal thickness, ring geometry, and conductor barrel dimensions. This manufacturing precision allows Copper Ring Terminals to be matched accurately with conductor cross-sections commonly used in high-current systems. By maintaining dimensional consistency, us can achieve reliable crimping and fastening outcomes across repeated installations. In industrial power systems, Copper Ring Terminals are often selected for main feeder connections, grounding conductors associated with high-power equipment, and bonding points within electrical enclosures. Shaoxing Sweld Electric Co., Ltd. integrates Copper Ring Terminal production with other electrical hardware connection parts, allowing coordinated selection of components for high-current applications. This integrated approach supports stable electrical performance and structured system assembly without introducing unnecessary complexity into installation processes.

Substations and transformer installations involve complex electrical layouts where power conversion, distribution, and grounding functions intersect. Within these environments, Copper Ring Terminals are used to connect conductors to transformer terminals, grounding grids, neutral points, and auxiliary power systems. The mechanical stability provided by the ring-type structure supports consistent fastening in areas exposed to electromagnetic forces and operational vibration. Transformer installations often experience temperature variation due to load changes and ambient conditions. Copper Ring Terminals accommodate this operational behavior by maintaining contact pressure during thermal expansion and contraction cycles. When properly installed, the ring configuration reduces the likelihood of conductor movement relative to the fastening point, supporting stable electrical contact over long service intervals.
Shaoxing Sweld Electric Co., Ltd. manufactures Copper Ring Terminals suitable for use in substation and transformer environments, where standardized dimensions and reliable material properties are preferred. With a production facility covering 3000 square meters and supported by a professional technical team, the company maintains controlled production processes aligned with industrial electrical requirements. Copper Ring Terminals produced by Shaoxing Sweld Electric Co., Ltd. can be adapted to various conductor sizes and installation standards commonly found in substations. Grounding systems within substations rely on coordinated connections between grounding conductors, grounding grids, and equipment enclosures. Copper Ring Terminals serve as interfaces that allow us to establish organized grounding layouts and simplify inspection procedures. By combining Copper Ring Terminals with grounding products and lightning protection components produced by Shaoxing Sweld Electric Co., Ltd., us can implement structured connection systems that support predictable electrical behavior across substation installations.

Lightning protection and surge control systems are designed to guide high-energy transient currents toward the earth through defined conductive paths. Within these systems, Copper Ring Terminals are used to connect down conductors to grounding electrodes, bonding bars, and metallic structures. The ring-shaped design provides mechanical stability under the sudden mechanical and thermal forces associated with surge events. Copper Ring Terminals allow us to maintain low and stable resistance at bonding points, which supports controlled current flow during surge discharge. The copper material offers favorable conductivity and thermal response characteristics, allowing surge energy to pass through the connection without introducing unpredictable resistance changes. The closed-ring structure also reduces the risk of partial disconnection during surge events, supporting continuous conductive paths.
Shaoxing Sweld Electric Co., Ltd. manufactures lightning rod products, grounding components, and Copper Ring Terminals within a unified production system. This integration allows us to align terminal dimensions and material properties with conductors and grounding hardware used in lightning protection installations. By producing these components together, Shaoxing Sweld Electric Co., Ltd. supports coordinated application of mechanical connections and grounding strategies. In lightning protection system installation, Copper Ring Terminals also support clear documentation and inspection processes. Installation personnel can visually confirm fastening integrity, while maintenance teams can access and verify connection conditions during routine inspections. Shaoxing Sweld Electric Co., Ltd. provides Copper Ring Terminals that support these practical requirements, enabling structured system implementation across lightning protection projects.