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REV SHEET NAME SHEET SIZE SHEET NUMBER ANSI B 11" X 17" DATE DESCRIPTION REVISIONS Signature with Seal PROJECT NAME & ADDRESS PV-6 PROJECT ID BE T T Y P U G H 27 1 3 S D I A M O N D S T , SA N T A A N A , C A 9 2 7 0 4 , U S A WIRING CALCULATIONS ELECTRICAL NOTES 1.) ALL EQUIPMENT TO BE LISTED BY UL OR OTHER NRTL, AND LABELED FOR ITS APPLICATION. 2.) ALL CONDUCTORS SHALL BE COPPER, RATED FOR 600 V AND 90 DEGREE C WET ENVIRONMENT. 3.) WIRING, CONDUIT, AND RACEWAYS MOUNTED ON ROOFTOPS SHALL BE ROUTED DIRECTLY TO, AND LOCATED AS CLOSE AS POSSIBLE TO THE NEAREST RIDGE, HIP, OR VALLEY. 4.) WORKING CLEARANCES AROUND ALL NEW AND EXISTING ELECTRICAL EQUIPMENT SHALL COMPLY WITH NEC 110.26. 5.) DRAWINGS INDICATE THE GENERAL ARRANGEMENT OF SYSTEMS. CONTRACTOR SHALL FURNISH ALL NECESSARY OUTLETS, SUPPORTS, FITTINGS AND ACCESSORIES TO FULFILL APPLICABLE CODES AND STANDARDS. 6.) WHERE SIZES OF JUNCTION BOXES, RACEWAYS, AND CONDUITS ARE NOT SPECIFIED, THE CONTRACTOR SHALL SIZE THEM ACCORDINGLY. 7.) ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY LABELED AND READILY VISIBLE. 8.) MODULE GROUNDING CLIPS TO BE INSTALLED BETWEEN MODULE FRAME AND MODULE SUPPORT RAIL, PER THE GROUNDING CLIP MANUFACTURER'S INSTRUCTION. 9.) MODULE SUPPORT RAIL TO BE BONDED TO CONTINUOUS COPPER G.E.C. VIA WEEB LUG OR ILSCO GBL-4DBT LAY-IN LUG. 10.) THE POLARITY OF THE GROUNDED CONDUCTORS IS NEGATIVE AMBIENT TEMPERATURE ADJUSTMENT FOR EXPOSED CONDUIT PER NEC 310.15(B)(2)(c): + 22° EXPECTED WIRE TEMP (°C): 31 ° + 22° TEMP CORRECTION PER TABLE 310.15: 0.76 #OF CURRENT CARRYING CONDUCTORS: 6 CONDUIT FILL CORRECTION PER NEC 310.15(B)(2)(a): 0.80 CIRCUIT CONDUCTOR SIZE: 10 AWG CIRCUIT CONDUCTOR AMPACITY: 40A REQUIRED CIRCUIT CONDUCTOR AMPACITY PER NEC 690.8(A&B): 1.25 X MAX AC OUTPUT CURRENT X # OF INVERTERS PER STRING STRING #1 : 1.25 X 1.21 X 10 = 15.13A STRING #2 & #3 : 1.25 X 1.21 X 9 = 13.61A DERATED AMPACITY OF CIRCUIT CONDUCTOR PER NEC TABLE 310.15 TEMP CORR. PER NEC TABLE 310.15 X CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a) X CIRCUIT CONDUCTOR AMPACITY = 0.76 X 0.80 X 40 = 24.32A EXPECTED WIRE TEMP (°C): 31 ° TEMP CORRECTION PER NEC TABLE 310.15: 0.96 CIRCUIT CONDUCTOR SIZE: 8 AWG CIRCUIT CONDUCTOR AMPACITY: 55A #OF CURRENT CARRYING CONDUCTORS: 3 CONDUIT FILL PER NEC 310.15(B)(2)(a): 1.00 REQUIRED CIRCUIT CONDUCTOR AMPACITY PER NEC 690.8(B): 1.25 X OUTPUT CURRENT OF LOAD CENTER 1.25 X 1.21 X 28 = 42.35A DERATED AMPACITY OF CIRCUIT CONDUCTORS PER NEC TABLE 310.15: TEMP CORR. PER NEC 310.15 X CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a) X CIRCUIT CONDUCTOR AMPACITY = 0.96 X 1.00 X 55 = 52.8A AMBIENT TEMPERATURE SPECS AMBIENT TEMP (HIGH TEMP 2%) RECORD LOW TEMP 2° 31° CONDUIT HEIGHT 0.5" ROOF TOP TEMP 53° CONDUCTOR TEMPERATURE RATE 90° 0.5" INVERTER SPECIFICATIONS MANUFACTURER / MODEL #ENPHASE IQ7PLUS-72-2-US NOMINAL OUTPUT CURRENT 1.21A NOMINAL OUTPUT VOLTAGE 240 VAC NUMBER OF CURRENT CARRYING CONDUCTORS IN EMT 4-6 7-9 10-20 PERCENT OF VALUES .80 .70 .50 SOLAR MODULE SPECIFICATIONS MANUFACTURER / MODEL #CANADIAN SOLAR CS3U 385MS 385 (385W)MODULES VMP 40.2 IMP 9.58 VOC 48.0 ISC 10.09 MODULE DIMENSION 78.7"L x 39.1"W x 1.38"D (In Inch) AC CONDUCTOR AMPACITY CALCULATIONS: FROM ROOF TOP JUNCTION BOX TO IQ COMBINER BOX AC CONDUCTOR AMPACITY CALCULATIONS: FROM IQ COMBINER BOX TO MSP EVERGREEN SOLAR & CONSTRUCTION INC. ROSHAWN HELMANDI 8728 ZELZAH AVE NORTHRIDGE, CA 91325 (818) 324-9956 LIC # B&C 10-1067368 EXP: 07-31-2022 2713 S Diamond St - 2017674008/11/22