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POWER TO THIS BUILDING ALSO SUPPLIED FROM THE FOLLOWING SOURCES WITH DISCONNECTS LOCATED AS SHOWN: CAUTION: SERVICE BY QUALIFIED PERSONNEL ONLY TO BE INSTALLED ON THE OUTSIDE COVER OF THE MAIN SERVICE DISCONNECT: WARNING! ELECTRIC SHOCK HAZARD TERMINALS ON BOTH LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN THE ARRAY SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN SOLAR ELECTRIC PV PANELS TO BE INSTALLED AT ALL SERVICEABLE PANELS OR BOXES AND AT ALL DISCONNECTS. PHOTOVOLTAIC POINT OF INTERCONNECTION WARNING: DUAL POWER SOURCE. SECOND SOURCE IS PHOTOVOLTAIC SYSTEM MAXIMUM RATED AC OUTPUT CURRENT: MAXIMUM OPERATING AC VOLTAGE: 34.06A 240V TO BE INSTALLED AT MAIN SERVICE PANEL AND SUBPANEL IF APPLICABLE. WARNING! PHOTOVOLTAIC POWER SOURCE TO BE INSTALLED ON JUNCTION BOXES AND CONDUIT EVERY 10'. AC DISCONNECT AC PHOTOVOLTAIC POWER SOURCE MAXIMUM RATED AC OUTPUT CURRENT: MAXIMUM OPERATING AC VOLTAGE: 34.06A 240V TO BE INSTALLED AT AC DISCONNECT. TO BE INSTALLED ON OR NO MORE THAN 1M (3FT) FROM THE SERVICE DISCONNECTING MEANS TO WHICH THE PV SYSTEMS ARE CONNECTED. WARNING! POWER SOURCE OUTPUT CONNECTION DO NOT RELOCATE THIS OVERCURRENT DEVICE TO BE INSTALLED AT THE BACKFEED BREAKER SERVING THE PV SOLAR SYSTEM. SIGNAGE NOTES: ALL SIGNAGE SHALL BE REFLECTIVE, UV RESISTANT PLASTIC, RED IN COLOR WITH WHITE LETTERING, AND ATTACHED WITH WEATHERPROOF ADHESIVE OR OTHER APPROVED METHOD. ALL LETTERS SHALL BE A MINIMUM OF 3/8" HEIGHT AND ALL CAPITALIZED. ALL CONDUIT, JUNCTION BOXES AND OTHER ENCLOSURES SHALL BE MARKED AT 10' MAX INTERVALS AND AT ALL BENDS, TERMINATIONS, SPLICES OR CONNECTIONS WITH "WARNING: PHOTOVOLTAIC POWER SOURCE". NUMBER OF MODULES IN CIRCUIT#1 = 9 MODULE MAX OUTPUT CURRENT = 1.31A (9)(1.31A)(1.25) = 14.74A[Ic], USE 20A BREAKER NUMBER OF MODULES IN CIRCUIT#2 = 9 MODULE MAX OUTPUT CURRENT = 1.31A (9)(1.31A)(1.25) = 14.74A, USE 20A BREAKER NUMBER OF MODULES IN CIRCUIT#3 = 8 MODULE MAX OUTPUT CURRENT = 1.31A (8)(1.31A)(1.25) = 13.1A, USE 20A BREAKER TOTAL NUMBER OF MODULES = 26 (26)(1.31A)(1.25) = 42.58A[I], USE 50A FUSES NOTE: DISTANCE ABOVE ROOF TO BOTTOM OF CONDUIT: >23mm (7/8") FROM THE MODULES TO THE COMBINER BOX: AMBIENT TEMPERATURE = 33°C ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(b) FOR 90°C INSULATED CONDUCTOR AT 33°C = 1.05 Ic = 14.74A 14.74A/1.05 = 14.04A NUMBER OF CURRENT CARRYING CONDUCTORS IN CONDUIT = 6 ADJUSTMENT FACTOR PER TABLE 310.15(B)(3)(a) FOR CONDUIT FILL (1-3 CONDUCTORS IN CONDUIT)=0.8 14.404A/0.8= 17.55A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 17.55A, USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40A. SELECT CONDUIT FOR (6)10 AWG THWN-2 & (1)8 AWG GROUND = 3/4" EMT CONDUIT. FROM THE AC DISCONNECT TO THE POI: ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED CONDUCTOR AT 33°C = 0.96 I = 42.58A 42.58A3/0.96 = 44.35A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 44.35A, USE 6 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 75A. SELECT CONDUIT FOR (3)6 AWG THWN-2 & (1)6 AWG GROUND = 3/4" LFMC. 2612 TOWNER LN, SANTA ANA, CA 92706 ECOSOLAR USA ELECTRICAL LLC 13962 SEABOARD CIRCLE GARDEN GROVE, CA 92840 PH: 714.265.9077 SCOPE OF WORK: DAVID Q HOANG C10 - 1045300 DATE: DRAWN BY: HOMEOWNER: ADDRESS: CHECKED BY: R.A. S.C.INSTALL (26) SUNPOWER X21-350-BLK-E-AC ELECTRIC MODULES ON THE EXISTING 1ST STORY COMP SHINGLE ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, JUNCTION BOXES, CONDUIT, CONDUCTORS AND GROUNDING. INSTALL (1)125A COMBINER BOX,(1) 60A FUSED AC DISCONNECT AND CONNECT TO UTILITY INSTALLED GMA ADAPTER. KEVIN CHUNG (760) 994-5605 12.28.2022 2612 TOWNER LN SANTA ANA, CA 92706 PV4 SYSTEM SIGNAGE SYSTEM CALCULATIONS: WIRE CALCULATIONS:SOLAR ARRAY (ON ROOF) AC LOAD CENTER AC DISCONNECT SERVICE POINT AND UTILITY METERING 2612 N Towner Ln 01/11/23