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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: 7.26A 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 = 6 MODULE MAX OUTPUT CURRENT = 1.21A (6)(1.21A)(1.25) = 9.08A[Ic], USE 20A BREAKER TOTAL NUMBER OF MODULES = 6 (6)(1.21A)(1.25) = 9.08A[I], USE 20A BREAKER NOTE: DISTANCE ABOVE ROOF TO BOTTOM OF CONDUIT: >23mm (7/8") FROM THE MODULES TO THE COMBINER BOX: AMBIENT TEMPERATURE = 34°C ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(b) FOR 90°C INSULATED CONDUCTOR AT 34°C = 1.05 Ic = 9.08A 9.08A/1.05= 8.65A NUMBER OF CURRENT CARRYING CONDUCTORS IN CONDUIT = 2 ADJUSTMENT FACTOR PER TABLE 310.15(B)(3)(a) FOR CONDUIT FILL (1-3 CONDUCTORS IN CONDUIT)=1 8.654A/1= 8.65A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 8.65A, USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40A. SELECT CONDUIT FOR (2)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 34°C = 0.96 I = 9.08A 9.08/0.96 = 9.45A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 9.45A, USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40A. SELECT CONDUIT FOR (3)10 AWG THWN-2 & (1)8 AWG GROUND = 3/4" EMT CONDUIT. 1109 WEST ALTON AVENUE #2, SANTA ANA, CA, 92707 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 (6) SILFAB SOLAR SIL-370HC ELECTRIC MODULES ON THE EXISTING 1ST STORY COMP SHINGLE ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, JUNCTION BOXES, CONDUIT, CONDUCTORS AND GROUNDING. INSTALL (1)ENPHASE COMBINER BOX WITH INTEGRATED IQ ENVOY MONITORING, AND CONNECT TO (N)20A BREAKER CONNECTED TO THE EXISTING 100A ADU SUB PANEL. REV A DESCRIPTION UPDATED AHJ ADAPTED CODES DATE 1.30.23 LAN HUYNH (267) 808 6888 01.30.2023 1109 WEST ALTON AVENUE #2 SANTA ANA, CA, 92707 PV4 SYSTEM SIGNAGE SYSTEM CALCULATIONS: WIRE CALCULATIONS: SOLAR ARRAY (ON ROOF) ENPHASE IQ COMBINER ADU SUB PANEL SERVICE POINT AND UTILITY METERING A 1109 W Alton Ave 02/09/23