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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 />mounting .1. <br />Module <br />Ttolt <br />Intertek <br />CInforms to <br />UL Standard 467 <br />=4·.4 UGC-1 6-9 Figure 26. Slide UGC-1 grounding <br />clip into top mounting slotofraiL <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 />Figure 27. Insert a bolt in the <br />WEEBLug aluminum rail or through the <br />clearance hole in the stainless steel <br />flat washer. Place the stainless steel <br />Jlat washer on the bolt, oriented <br />so the dimples will contact the <br />atuminum rail Place the lug portion <br />on the bolt and stainless steel <br />flat washer. Install stainless steel <br />.flat washer, lock washer and nut. <br />Tighten the nut until the dimples are <br />completely embedded into the rail <br />and lug. Ike embedded dimples make <br />Stainless Steel Rat a gas-tight mechanical connection <br />Washer (WEEB)and ensure good electrical connection <br />between the aluminum rail and the <br />lug through the WEEB..e:95220 dia#:*h <br />(an' <br />Figure 28. UGC-1 layoutfor even Figure 29. Single wire grounding <br />and odd number Of modules in row.with spliced rails. <br />49(" denotes places to install UGC-1.KEY U.:Jr-1 <br />PV module <br />O SolarMount rail (ary type] <br />8 Rail splice <br />* Grounding lug <br />Even Number ofModules in row -Copper wte <br />' <br />Odd Number ofModules in row <br />Single grounding <br />wire for entire array <br />0 <br />Ille <br />25