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Non-Insulated Ring Terminals are precision-manufactured crimp connectors designed for secure and reliable electrical connections where insulation is not required. Made from high-purity copper with a durable tin-plated finish, these bare copper ring lugs provide excellent electrical conductivity, strong corrosion resistance, and consistent crimping performance across a wide range of applications.
The seamless copper construction ensures uniform material density and high mechanical strength, allowing the terminal to maintain stable contact under vibration, thermal cycling, and long-term electrical load. Compared with bare copper terminals, the tin-plated surface improves oxidation resistance and enhances durability, making these tin-plated ring terminals suitable for both indoor and protected outdoor electrical environments.
Designed for crimping applications, these non-insulated ring terminals securely fix the conductor to the terminal barrel, preventing copper strands from loosening or spreading after crimping. This results in lower contact resistance, improved current flow, and extended service life of the electrical connection. Properly crimped ring lugs also reduce the risk of overheating and connection failure in demanding electrical systems.
Available in M3 to M12 stud sizes and compatible with AWG 22–2 wire ranges, these ring terminals meet the needs of a wide variety of wiring requirements. The closed-ring design provides maximum contact area and mechanical stability when fastened with screws or bolts, making them ideal for applications where secure, vibration-resistant connections are essential.
These bare copper ring lugs are widely used in electrical control panels, power distribution systems, industrial machinery, automotive electrical systems, marine equipment, and general electrical installations. Their simple, insulation-free design makes them especially suitable for enclosed panels, grounding points, and applications where additional insulation is provided elsewhere in the system.
By combining high-conductivity copper, reliable tin plating, and precise crimp barrel dimensions, these crimp ring connectors deliver dependable electrical performance and long-term reliability. They are a practical choice for professional electricians, maintenance technicians, and industrial users seeking high-quality electrical ring terminals for secure and efficient wiring connections.
ITEM : RNB1.25-3 RNB1.25-4 RNB1.25-5 RNB1.25-6 RNB1.25-8 RNB1.25-10 RNB2-3 RNB2-4 RNB2-5 RNB2-6 RNB2-8 RNB2-10 RNB3.5-4 RNB3.5-5 RNB3.5-6 RNB3.5-8 RNB3.5-10 RNB5.5-4 RNB5.5-5 RNB5.5-6 RNB5.5-8 RNB5.5-10 RNB5.5-12 RNB8-5 RNB8-6 RNB8-8 RNB8-10 RNB8-12 RNB14-5 RNB14-6 RNB14-8 RNB14-10 RNB14-12 RNB22-5 RNB22-6 RNB22-8 RNB22-10 RNB22-12 RNB38-6 RNB38-8 RNB38-10 RNB38-12
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