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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: 24.2A 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'. 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 & #2 = 10 MODULE MAX OUTPUT CURRENT = 1.21A (10)(1.21A)(1.25) = 15.13A[Ic], USE 20A BREAKER TOTAL NUMBER OF MODULES = 20 (20)(1.21A)(1.25) = 30.25A[I], USE 40A BREAKER 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 = 15.13A 15.13A/1.05 = 14.41A NUMBER OF CURRENT CARRYING CONDUCTORS IN CONDUIT = 4 ADJUSTMENT FACTOR PER TABLE 310.15(B)(3)(a) FOR CONDUIT FILL (4-6 CONDUCTORS IN CONDUIT)=0.8 14.41A/0.8= 18.01A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 18.01A, USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40A. SELECT CONDUIT FOR (4)10 AWG THWN-2 & (1)8 AWG GROUND = 3/4" EMT CONDUIT. FROM THE COMBINER BOX TO THE MSP: ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED CONDUCTOR AT 33°C = 0.96 I = 30.25A 30.25/0.96 = 31.51A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 31.51, USE 8 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 55A. SELECT CONDUIT FOR (3)8 AWG THWN-2 & (1)8 AWG GROUND = 3/4" EMT CONDUIT. 2530 S PACIFIC AVE., SANTA ANA, CA 92704 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 (20) URECO FBM400MFG-BB SOLAR ELECTRIC MODULES ON THE EXISTING 1ST AND 2ND STORY COMP SHINGLE ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, JUNCTION BOXES, CONDUIT, CONDUCTORS AND GROUNDING. INSTALL (1)ENPHASE IQ COMBINER, AND CONNECT TO THE EXISTING 200A MAIN SERVICE PANEL. REV A B DESCRIPTION AHJ REDLINE EQUIPMENT LOCATION CHANGED DATE 05.22.23 08.28.23 JOHN DINH - PHUNG DINH 7143152937 08.28.2023 2530 S PACIFIC AVE SANTA ANA, CA 92704 PV4 SYSTEM SIGNAGE SYSTEM CALCULATIONS: WIRE CALCULATIONS: SOLAR ARRAY (ON ROOF) ENPHASE IQ COMBINER SERVICE POINT AND UTILITY METERING A This item has been digitally signed and sealed on Aug 28, 2023 2530 S Pacific Ave 10/3/2023