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HOMEOWNER: SANG PHAM PH: 714.616.6620 ADDRESS: 2305 HUCKLEBERRY ROAD SANTA ANA, CA 92706 DATE: 3/14/22DATE: 3/14/22 ECOSOLAR USA ELECTRICAL LLC 13962 SEABOARD CIRCLE GARDEN GROVE, CA 92840 PH: 714.265.9077 DAVID Q HOANG C10 - 1045300 SCO3E O) :OR. INSTALL (23) SUNPOWER SPR-X22-360-E-AC SOLAR ELECTRIC MODULES ON THE EXISTING 2ND STORY TILE ROOF. INSTALL ASSOCIATED MOUNTING HARDWARE, JUNCTION BOXES, CONDUIT, CONDUCTORS AND GROUNDING. INSTALL (1) LOAD CENTER, AND INSTALL OCPD IN SUB PANEL. S+EET 1OTICE A1 < C+A1*ES TO OR USES O ) T+ESE 'OCU0E1TS'RA:I1*S :IT+OUT T+E :RITTE1 CO1SE1T O) -E11I)ER .E00E OR SCOTT +ARRIS ARE STRICTL< 3RO+I%ITE' O) PLANS PREPARED BY: JENNIFER KEMME PH: 909.748.1300 88999PV S<STE 0 SI*1A*E 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". WARNING ELECTRIC SHOCK HAZARD DO NOT TOUCH TERMINALS TERMINALS ON BOTH THE LINE AND LOAD SIDES MAY BE ENERGIZED IN THE OPEN POSITION TO BE INSTALLED AT ALL SERVICEABLE PANELS OR BOXES AND AT ALL DISCONNECTS: SERVICE POINT & UTILITY METERING PV SYSTEM DISCONNECT FOR UTILITY OPERATION CAUTION: POWER TO THIS BUILDING IS ALSO SUPPLIED FROM THE FOLLOWING SOURCES WITH DISCONNECTS AS SHOWN. ADDRESS: 2305 HUCKLEBERRY ROAD, SANTA ANA, CA 92706 SOLAR ARRAY (ON ROOF) N SUB PANEL TO BE INSTALLED ON THE OUTSIDE COVER OF THE MAIN SERVICE DISCONNECT: RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM RATED AC OUTPUT CURRENT = 37.66 A NOMINAL OPERATING AC VOLTAGE = 240 V TO BE INSTALLED ON THE FRONT OF THE SOLAR BREAKER: WARNING POWER SOURCE OUTPUT CONNECTION - DO NOT RELOCATE THIS OVERCURRENT DEVICE TO BE INSTALLED AT THE BACKFED BREAKER SERVING THE PV SOLAR SYSTEM: TURN RAPID SHUTDOWN SWITCH TO THE "OFF" POSITION TO SHUT DOWN PV SYSTEM AND REDUCE SHOCK HAZARD IN THE ARRAY SOLAR ELECTRIC PV PANELS SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN TO BE INSTALLED ON THE FRONT OF THE MAIN SERVICE DISCONNECT: "SOLAR PV SYSTEM EQUIPPED WITH RAPID SHUTDOWN" SHALL BE BLACK LETTERING ON YELLOW BACKGROUND. THE REMAINDER OF THE SIGN SHALL BE BLACK LETTERING ON WHITE BACKGROUND. S<STE 0 CALCULATIO1S NUMBER OF MODULES IN EACH CIRCUIT = 12 MODULE MAX OUTPUT CURRENT = 1.31 A (12) (1.31 A) (1.25) = 19.65 A [Ic], USE 20 A BREAKER TOTAL NUMBER OF MODULES = 23 (23) (1.31 A) (1.25) = 37.66 A [I], USE 40 A BREAKER SUB PANEL BUS RATING = 125 A SUB PANEL MAIN OCPD = 100 A 100 A + 40 A SOLAR OCPD = 140 A 125 A BUS (1.2) = 150 A 140 A < 150 A, OK :IRE CALCULATIO1S FROM THE MODULES TO THE LOAD CENTER: AMBIENT TEMPERATURE = 34°C TEMPERATURE ADDER FOR CONDUIT NOT OFFSET FROM ROOF = 33°C ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED CONDUCTOR AT 34°C + 33°C = 67°C = 0.58 Ic = 19.65 A 19.65 A/0.58 = 28.71 A 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) = 0.80 28.71 A/0.80 = 35.88 A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 35.88 A, USE 10 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 40 A SELECT CONDUIT FOR (4) 10 AWG THWN-2 & (1) 10 AWG GROUND = 3 4" EMT CONDUIT FROM THE LOAD CENTER TO THE SUB PANEL: ADJUSTMENT FACTOR PER TABLE 310.15(B)(2)(a) FOR 90°C INSULATED CONDUCTOR AT 34°C = 0.96 I = 37.66 A 37.66 A/0.96 = 39.23 A SELECT WIRE SIZE WITH AMPACITY GREATER THAN 39.23 A, USE 8 AWG THWN-2 COPPER WIRE WITH AN AMPACITY OF 55 A SELECT CONDUIT FOR (3) 8 AWG THWN-2 & (1) 8 AWG GROUND = 3 4" EMT CONDUIT