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STANDARD STRING SYSTEM ELECTRICAL DIAGRAM <br />One-Line Standard Electrical Diagram for <br />Small-Scale, Single-Phase PV Systems <br />Site Address: ,,05 w G €i{.od Pl $ib e. ui i.d s,.,- e2707 <br />System AC Size <br />NTS <br />o EQUIPMENT SCHTDULE <br />T <br />I <br />2 <br />3 <br />5 <br />6 <br />1 <br />8 <br />9 <br />AG DESCRIPTION <br />SOLAR PV MODULE <br />rJ-BOX (tF USED) <br />] COMBINER (IF USED) <br />, DC OISCONNECT <br />OC/AC INVERTER <br />GEN METER (IF USED) <br />AC DISCONNECT (IF USED) <br />SERVICE PANEI. <br />PART NUMBER NOTES <br />l <br />Sror.c y s.nda'd aor a., <br />UTITITY <br />SERVICEAAB PVI.sOOGOIJTO.LJS <br />,DQ221NRB Fusible. NEMA 3r <br />zlo ya6 2oo A MA|N 2OO A BUS, 30 A INVERTER OCPO <br />(SEE NOTE s FOR INVERTER OCPDS. ALSO SEE GUIDE SECTION e) <br />Disregard il <br />provided with <br />inverter <br />BUILDING <br />GROUNDING <br />ELECTRODEFOR UNUSED SERIES STRINGS <br />PUT "N/A' in BLANK ABOVE <br />SEE GUIDE APPENDIX C FOR <br />INFORMATION ON MODULE ANO <br />ARRAY GROUNDING <br />rAG DESCRIPTION OR CONOUCTOR ryPE COND. NUMEER OF <br />GAUGE CONOUCTORS <br />10 I 2 <br />10 I 1 <br />102 <br />CONOUIT <br />TYPT <br />N/A <br />314' <br />CONDUIT <br />slzE <br />NIA <br />EMT <br />I USE-2 E or PV WRE E <br />BARE COPPER EO. GRD. COND, (EGC) <br />TH\,/N-2 O or XHHW-2 tr o. RHW-2 tr <br />THWN-2 D or XHHW-2 E or RHW-2 E <br />INSULATED EGC <br />DC GROUNDING ELECTRODE CONO <br />lruwru-z E or XHHW-2 E or Rl-tW-2 O <br />INSULATED EGC <br />l2 <br />3 <br />10 <br />I <br />10 <br />10 <br />314 <br />u4 <br />314 <br />5 <br />6 MoouLEs tN <br />SERIES SOURCE.CIRCUIT, <br />6 <br />sEFiEiE-o <br />MODULES IN : <br />URCE.CIRCUIT r <br />rn[|!lNm <br />E <br />DC D sCO <br />11 L,tooures tr ! <br />se-nte.s.sounce-ctncuttl <br />)ocP <br />INVERTER <br />OCPD <br />MoDULES tN ! <br />seTiES s6 u nc e,cr nc u rr I <br />ffiffi ry <br />EE <br />IEITIE <br />A CONDUIT AND CONDUCTOR SCHTOULE <br />EMT <br />EMT <br />EMT <br />EMT <br />1 <br />Site Name: vreqs? *o!ee <br />A ,A A A <br />1 <br />1 <br />2 <br />1 <br />I BOX <br />ti <br />lst>t; <br />le <br />IU <br />lE <br />t:Ir <br />IE <br />lh <br />lr <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I