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Thank you for selecting our universal ground lug for your solar installation. This product is listed under UL 2703 and was developed to provide the installer:
1) listed hardware capable of accepting 4-12 AWG solid copper conductors, 2) Without the use of unreliable self-tapping screws, 3) For use with virtually all racking systems, (0.09 inches (2 mm) to 0.25’ (6.35 mm) thick) 4) With a code compliant "first make - last break" grounding system, 5) Without etching or enlarging most module grounding holes, (0.16" (4mm) to 0.295" (7.5mm)) 6) With reusable hardware for servicing without replacement.
Components: 1) Lay in lug (tin-plated, solid copper lay-in lug with a stainless-steel set screw), 2) Stainless star washer, 3) Stainless steel bolt, and development 4) Stainless serrated lock nut. INSTRUCTIONS:
Place the lug to the designated module grounding hole with the star washer between the grounding lug and the module frame in order to break through the anodizing and establish electrical contact with the aluminum. Torque the bolt and nut to 30 in-lbs. NOTE: These instructions provide guidelines for general use. If available, the specific module manufacturer’s instructions for the location of the star washer are to be followed.
For the attachment to the racking, slide the bolt into the mounting channel of the extrusion or into a ¼" hole drilled through the extrusion. Place the star washer between the racking and lug and secure the nut and bolt to 30 in-lbs. NOTE: Insert a 4 to 12 AWG copper wire into the lug and tighten the lug set screw to the copper wire to the torque based on the wire size. (4-6 AWG at 35 in-lbs and 8-12 AWG at 30 in-lbs). Do not exceed the maximum rated overcurrent protection, 20 A (12 AWG),40 A (10 AWG), 90 A (8 AWG), 150 A (6 AWG), and 200 A (4 AWG). Customer Assistance/Warranty: This product is covered for any defect in material or workmanship for the warranted life of the modules. We will provide replacement product with proof of purchase. Please contact office@energycontractors.com for return authorization or for customer assistance. This warranty gives you specific legal rights which vary from state to state. We expressly disclaim all responsibility for consequential damages or incidental losses caused by use of this product as allowed by your state.