This recall includes SolarWorld solar systems installed with bare-copper grounding lugs installed after June 1, 2010. These solar systems use energy from the sun to generate electricity within a system circuit. The installation instructions for SolarWorld solar systems sold after June 1, 2010 called for the use of GBL-4DB lugs for grounding. SolarWorld has revised these installation instructions to explicitly call for tin-coated lugs, specifically Ilsco part number GBL-4DBT. “T” is for tin-coated and indicated by the silver color of the lug.
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