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ELECTRICAL INFORMATION PV BREAKER BACKFEED CALCULATIONS DESIGN LOCATION <br /> UTILITY ELECTRICAL SYSTEM NEC 705.12(B)—"120%RULE" AND TEMPERATURES BLUE RAVEN <br /> 1-Phase,3-Wire,60Hz, 1201240V (BUSBAR RATING*120%)-OCPD RATING=AVAILABLE BACKFEED — �n <br /> DATA SOURCE ASHRAE Weather Station Data <br /> NEW PV SYSTEM MAIN SERVICE SUBPANELI SUBPANEL2 STATE Washington 1403 N 630 E <br /> BUSBAR RATING 200A ----A ----A <br /> Phase,3-Wire,bOHz, 1201240V PANEL CITY Everett Orem, Utah 84097 <br /> PANEL OCPD RATING 200A --A — A <br /> AC SYSTEM SIZE 2. kW AC — WEATHER STATION SNOHOMISH CO <br /> DC SYSTEM SIZE 3.36kW DC HIGH TEMP 2%AVG 26°C (800) 377-4480 <br /> AVAILABLE BACKFEED(120%RULE) 40A ##A ##A <br /> PV MODULES PV BREAKER RATING 20A 20A 20A EXTREME MINIMUM TEMP -5°C BlueRavenSolar.com <br /> QUANTITY 8 <br /> TYPE Silfab Solar SIL-420 QD *THESE CALCULATIONS ARE ONLY APPLICABLE IF PV INTERCONNECTION IS A <br /> WATTAGE 420W DC LOAD SIDE BREAKER.*PV BREAKER MUST BE RATED LESS THAN OR EQUAL TO <br /> AVAILABLE BACKFEED FOR CODE COMPLIANCE* <br /> MICROINVERTERS <br /> TYPE Enphase IQ8M-72-M-US <br /> OUTPUT CURRENT 1.35A AC 0 <br /> NOMINAL VOLTAGE 240V AC <br /> OUTPUT POWER 325W AC Q IL <br /> N _ <br /> U <br /> WIRE SIZE SPECIFICATIONS o Mo — <br /> 0 <br /> O O ® ® O © O (D., Ln <br /> O �� H6, 0000 N <br /> MINIMUM CONDUCTOR AMPACITY 13.5A AC 13.5A AC 13.5A AC 13.5A AC 13.5A AC --A AC --A AC --A AC --A AC --A AC Q O, } <br /> CONDUCTOR MATERIAL Cu CU CU Cu CU ---- ---- ---- ---- ---- <br /> CONDUCTOR TYPE THHN/THWN-2 THHN/THWN-2 THHN/THWN-2 THHN/THWN-2 THHN/THWN-2 -- -- -- -- -- Q Q <br /> CONDUCTOR SIZE 12 AWG 10 AWG 10 AWG 10 AWG 6 AWG W } <br /> CONDUCTOR AMPACITY 30A 40A 40A 40A 75A --A --A --A --A --A w <br /> N C > U <br /> AMBIENT TEMPERATURE ADJUSTMENT FACTOR 1 1 1 1 1 ---- ---- ---- ---- ---- y i L U = <br /> CONDUIT FILL ADJUSTMENT FACTOR 1 1 1 1 1 -- -- -- -- -- LJ>I O <br /> ADJUSTED CONDUCTOR AMPACITY 30A 40A 40A 40A 75A ----A ----A ----A ----A ----A > <br /> IL <br /> WIRE RUN DISTANCE(FT) 52 30 10 10 10 -- -- -- -- ---- <br /> CALCULATED VOLTAGE DROP 0.52% 0.33% 0.11% 0.11% 0.04% 0% 0% 0% 0% 0% L } U <br /> Ggp <br /> PV CIRCUIT SPECIFICATIONS ��ti of wAs� �'�r �C o <br /> PRIMARY STRUCTURE DETACHED STRUCTURE �Q - o cy") LL <br /> CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 CIRCUIT 7 CIRCUIT 8 CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 N N <br /> NUMBER OF MODULES PER CIRCUIT 8 0 0 0 0 1 0 0 0 0 0 0 0 0 Q E <br /> RATED AC OUTPUT CURRENT(lay,) 10.8A O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA _ <br /> MINIMUM AMPACITY(IOUT x 125%) 13.5A O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA O.OA C� L <br /> OVERCURRENT PROTECTION RATING 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 20A 0� <br /> O.OA <br /> �sl � a a O <br /> COMBINED <br /> CURRENT 05 fFC/STE <br /> MINIMUM AMPACITY(C X 125%) 13. A O OA N* AL <br /> :E <br /> COMBINED PV BREAKER RATING 20AA OAA W O <br /> U <br /> O r <br /> TOTAL H J U 14 <br /> VOLTAGE DROP PROJECTID: <br /> VOLTAGE DROP 977295 <br /> WIRE TAG#1 0.52% <br /> WIRE TAG#2 0.33% <br /> PV DC SYSTEM SIZE: <br /> WIRE TAG#3 0.11% <br /> 3.360 kW DC <br /> WIRE TAG#4 0.11% <br /> WIRE TAG#5 0.04% PV AC SYSTEM SIZE: <br /> WIRE TAG#6 0% 2.600 kW AC <br /> TOTAL 1.1100007 REVISIONS: <br /> 0 8/6/2024 <br /> 0 ---- <br /> 0 ---- <br /> DRAWN BY: <br /> Grace Hymas <br /> PLOT DATE: <br /> August b, 2024 <br /> DRAWING TITLE: <br /> Electrical <br /> Calculations <br /> DRAWING NUMBER: <br /> PV6 <br />