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SOLARMOUNT <br />Top Mounting UniRac Grounding Clips and WEEBLugs - 225.6 <br />UGC- 1 <br /> Nib <br />p Top pmounting a,- <br />clamps <br />Module <br />T-bolt <br />Intertek <br />Conforms to <br />UL Standard 467 <br />4-1. UGC-1 •4-4 Figure 26. Slide UGC-1 grounding <br />clip into top mounting slotof rail. <br />Torque modules in place on top of <br />clip. Nibs will penetrate rail anod- <br />ization and create groundingpath <br />through rail (see Fig. 3, reverse side). <br />SolarMount® rail (any type) <br />WEEBLug <br />Stainless Steel Flat <br />Washer (WEEB) <br />Clips and lugs are sold separately. <br />Figure 27. Insert a bok in the <br />aluminum rail or through the <br />clearance hole in the stainless steel <br />flat washer. Place the stainless steel <br />Bat washer on the bolt, oriented <br />so the dimples will contact the <br />aluminum rail Place the lugportion <br />on the bolt and stainless steelflat <br />washer. Instal stainless stee(flat <br />washer, lock washer and nut. <br />Tighten the nut until the dimples are <br />completely embedded into the rail <br />and lug ne embedded dimples make <br />a gas-tight mechanical connection <br />and ensure good electrical connection <br />between the aluminum rail and the <br />lug through the WEEB. <br />WEEBLug <br />Figure 28. UGC-1 layoutforeven <br />and odd number ofmodules in row. <br />77(" denotes places to install UGC-1. <br />Even Number ofModules in row <br />11 <br />Odd Number ofModules in row <br />IRAC <br />A HILTI GROUP COMPANY <br />Pub 110617-2cc <br />June 2011 <br />(4 2011 by Unirac, Inc. <br />All rights reserved.