Tinned Copper Eyelet 2 AWG 1/4″ — HD Battery Cable Ring Terminal Lug
The Tinned Copper Eyelet 2 AWG 1/4″ — SKU: 19221-0418 is a heavy-duty tinned copper ring terminal eyelet for 2 AWG battery and primary power cable, with a 1/4″ bolt hole diameter for connection to battery posts, distribution studs, and main electrical connection points. Tinned copper construction provides superior corrosion resistance compared to bare copper lugs — essential for long-term electrical reliability at primary power connection points in motorsport and performance vehicle electrical systems across Norway, Sweden, and Denmark.
Why Tinned Copper for Heavy-Duty Eyelets?
Standard bare copper battery lugs are susceptible to oxidation at the exposed copper surface — particularly in the underbonnet environments of motorsport vehicles where the lug is exposed to moisture, oil mist, and the temperature cycling that accelerates surface oxidation. Tinning the copper barrel and ring face with a layer of tin provides a corrosion-resistant surface that maintains low electrical resistance at the connection point throughout the lug’s service life. For primary battery connections where lug resistance directly affects the entire electrical system’s voltage baseline, tinned copper is the professional standard.
2 AWG — Primary Power Cable Application
The 2 AWG gauge suits heavy primary power distribution circuits including battery sub-feeds, high-current relay outputs, and primary distribution runs in motorsport electrical systems. The 1/4″ bolt hole diameter accommodates standard 1/4-inch battery post studs and distribution bar terminals.
Technical Specifications
- Material: Tinned copper
- Wire gauge: 2 AWG
- Bolt hole: 1/4″
- Ring terminal / eyelet format — bolts directly to battery post, stud, or distribution bar
- Crimp termination — requires appropriate heavy-gauge cable crimping tool
- Suitable for primary power circuit termination in motorsport electrical systems
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