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SM SOLAR <br />MOUNT INSTALLATION GUIDE PAGE <br />Aluminum mid clamp with stainless steel bonding pins that pierce module frame <br />anodization to bond module to module through clamp <br />Stainless steel nut bonds aluminum clamp to stainless steel T-bolt <br />Serrated T-bolt head penetrates rail anodization to bond T-bolt, nut, clamp, and <br />modules to SM rail <br />BONDING MIDCLAMP ASSEMBLY BONDING MIDCLAMP ASSEMBLY BONDING RAIL SPLICE BAR <br />BONDING MICROINVERTER MOUNT <br />RAIL TO L-FOOT w/BONDING T-BOLT <br />RAIL TO L-FOOT <br />w/BONDING T-BOLT <br />BONDING RAIL <br />SPLICE BAR <br />RACK SYSTEM GROUND <br />MODU <br />L <br />E <br /> <br />FRAM <br />E <br />BONDING CONNECTION GROUND PATHS N <br />Bonding Hardware creates bond between splice <br />bar and each rail section <br />Aluminum splice bar spans across rail gap to <br />create rail to rail bond. Rail on at least one side <br />of splice will be grounded. <br />Note: Splice bar and bolted connection are <br />non-structural. The splice bar function is rail <br />alignment and bonding. <br />Serrated flange nut removes L-foot anodization <br />to bond L-Foot to stainless steel T-bolt <br />Serrated T-bolt head penetrates rail anodization <br />to bond T-bolt, nut, and L-foot to grounded <br />SM rail <br />Hex nut with captive lock washer bonds metal <br />microinverter flange to stainless steel T-bolt <br />Serrated T-bolt head penetrates rail anodization <br />to bond T-bolt, nut, and L-foot to grounded <br />SM rail System ground including racking and <br />modules may be achieved through the trunk cable <br />of approved microinverter systems. See page I for <br />details <br />WEEB washer dimples pierce anodized rail to <br />create bond between rail and lug <br />Solid copper wire connected to lug is routed to <br />provide final system ground connection. <br />NOTE: Ilsco lug can also be used when secured to <br />the side of the rail. See page J for details <br />WEEBLUG (OR ILSCO LUG) <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />SM <br /> <br />R <br />A <br />I <br />L <br />MOD <br />U <br />L <br />E <br /> <br />FRAME <br />BONDING <br /> <br />T <br />-BOL <br />T <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 <br />2 2 <br />2 <br />2 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 1 <br />1 1 <br />3 <br />3 BONDI <br />NG HARDWAR <br />E <br />SPLI <br />C <br />E <br /> <br />B <br />A <br />R <br />SM RAIL <br />MICR <br />O <br />- <br />INVERTE <br />R <br /> <br />F <br />L <br />A <br />N <br />G <br />E <br />SERRA <br />TED <br />FLAN <br />G <br />E <br /> <br />NUT <br />L-FO <br />O <br />T BONDI N G T-BOLT <br />1 <br />SEE NOTESEE NOTE <br />HEX NUT W/ CAPTIVE <br />LOCK WASHER <br />BONDING <br />T-BOLT <br />SOLI <br />D <br /> <br />COPP <br />E <br />R <br /> <br />W <br />I <br />R <br />E <br />BONDING <br />MICROINVERTER <br />MOUNT <br />BONDING MIDCLAMP <br />ASSEMBLY <br />RACK SYSTEM <br />GROUND <br />Note: Note: <br />Only one lug per module row requiredOnly one lug per module row required <br />3 <br />A B C <br />D E <br />B <br />A C <br />DE <br />Option 1: <br />Ground Through <br />Enphase Trunk Cable <br />Option 2: Ground Lug w/ <br />Bare Copper Wire <br />1644 W McFadden <br />Ave08/31/23