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SolarMount Unirac Code-Compliant Installation Manual :FUNIRAC <br />[3.4] Installing SolarMount with grounding clips and lugs <br />Clips and lugs are sold separately. <br />UGC-1 <br />Nib <br />9 Top 9 <br />Module <br />T-bolt <br />Intenek <br />Conforms to <br />UL Standard 467 <br />6- UGC-1 --Le Figure 26. Slide UGC-1 grounding <br />clip into top mountingslotof rail <br />Torque modules in place on top of <br />clip. Nibs willpenetrate rail anod- <br />ization and create groundingpath <br />through rail (see Fig. 3, reverse side). <br />SolarMounl® rail (any type) <br />Figure 27. Insert a bolt in the <br />WEEBLug aluminum rail or through the <br />dearance hole in the stainless steel <br />.flat washer. Place the stainless steel <br />.gat washer on the bolt, oriented <br />so the dimples wit[ contact the <br />aluminum rail. Place the lug portion <br />on the bolt and stainless steel <br />.flat washen Instal[ stainless steel <br />fiat washer, lock washer and nut. <br />lighten the nut until the dimples are <br />completely embedded into the rail <br />and lug. Ike embedded dimples make <br />Stainless Steel Flat a gas-tight mechanical connection <br />Washer (WEEB)and ensure good electrical connection <br />between the aluminum rail and the <br />lugthrough the WEBB. <br />L- <br />Figure 28. UGC-1 layoutforeven <br />and odd number ofmodules in row. <br />'0<" denotesplaces to install UGC-1. <br />Figure 29. Singlewiregrounding <br />with spliced rails. <br />KEY <br />PV module <br />O SolorMount rog (any type) <br />8 RaH spke <br />X Grounding lug <br />Even Number ofModules in row -Copperwke <br />Odd Number ofModules in row <br />WEEBLug <br />ounl® rail <br />(any type) <br />ta: <br />0@ <br />Single grounding [ <br />wire for entire array '- <br />L <br />. <br />Page <br />25