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SOLARMOUAIrf <br />Top Mounting UniRac Grounding Clips and WEEBLugs - 225.6 <br />UGC- 1 <br />Ff i <br />Nib <br />Top <br />mountit <br />clam, <br />Module <br />l <br />1g <br />IS 14 <br />Intertek <br />Conforms to <br />UL *ndard 467 <br />44 UGC-1 04-L. <br />1 1 <br />1 '1 <br />r i' <br />Figure 26. Slide UGC-1 grounding <br />clip into top mounting slot ofraiL <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 />4 /1 <br />SolarMount® rail (any type) <br />WEEBLug <br />Stainless Steel Flat <br />Washer (WEEB) <br />Clips and tugs are sold separately. <br />F;gure27. Inserta boltin the <br />aluminum rail or through the <br />clearance hole in the stainless steel <br />flat washer. Place the stainless steel <br />flat washer on the bok, oriented <br />so the dimples will contact the <br />aluminum rail. Place the lugportion <br />on the bolt and stainless steeljlat <br />washer. Install stainless steelflat <br />washer,lock washerand nut. <br />Tighten the nut until the dimples are <br />completely embedded into the rail <br />and lug. The 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 />e <br />WEEBLug <br />IFigure 28. UGC-1 layoutfor even <br />and odd number ofmodules in row. <br />'0(" denotes places to install UGC-1. <br />'10 i <br />11 <br />Even Number 0/Modules in row <br />Odd Number of Modules in row <br />® Pub 110617-2cc <br />:1: UNI RAC June 2011 <br />(4 2011 by Unirac, Inc. <br />A HILTI GROUP COMPANY All rights reserved. <br />.