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Copper Lay-In Grounding Lug


Copper lay-in lug, tin-plated, 14 – 4 AWG, stainless set-screw & mounting hardware, cUL listed

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Tin-plated copper lay-in lugs are the best choice for grounding solar panels. They allow the use of one continuous grounding conductor, as per code requirements, or as a jumper to multiple locations. No need to thread the connector. Just back off the set screw, “lay in” the wire, and re-tighten. It’s also easy to retrofit or repair. These is our premium copper lug, UL/CSA rated for indoor, outdoor, and direct-burial applications.

This is an electro-tin plated copper lug to assure minimum contact resistance and protection against corrosion when used with copper wire, with a stainless steel set screw, for a durable and reliable connection all year around.

Includes a stainless #10-32 x 5/8″ screw with kept-nut (with a serrated washer), providing a complete solution for bolting the lug to a solar panel or racking.


  • Fits 14 AWG – 4 AWG conductors
  • Acceptable for direct burial in earth or concrete, indoor, and outdoor use
  • Stainless steel hardware for corrosion resistance, greater torque and ease of installation
  • Made from high strength copper alloy
  • Electra tin-plated, RoHS compliant
  • Provides low contact resistance
  • Suitable for use with copper or aluminum conductors for grounding & continuous loop application
  • Lay-in feature
  • UL 467 & CSA listed
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