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AC WIRE SIZING CALCULATIONS BASED ON FOLLOWING EQUATIONS OCPD CALCULATION CONTRACTOR INFORMATION <br /> REQUIRED CONDUCTOR AMPACITY: ALLOWABLE BACKFEED: <br /> INVERTER OUTPUT CURRENT*#OF INVERTERS = MAX CURRENT PER 690.8(A)(1)(c) * 125% MAIN PANEL RATING = 200A _ <br /> = MAX CURRENT PER 690.8(B)(1) MAIN BREAKER RATING = 200A SUNERGYsYsTMS� <br /> CORRECTED AMPACITY CALCULATIONS: LINE SIDE TAP 100% OF ALLOWABLE BACKFEED = 200A Employee Owned \\� <br /> DERATED CONDUCTOR AMPACITY PER 690.8(B)(2) = AMPACITY * TEMPERATURE DERATE <br /> FACTOR * CONDUIT FILL DERATE INVERTER OVERCURRENT PROTECTION: SUNERGY SYSTEMS <br /> DERATED CONDUCTOR AMPACITY CHECK : MAX CURRENT PER 690.8(B)(1) < INVERTER OVERCURRENT PROTECTION = MICROINVERTER O/P CURRENT*# OF <br /> DERATED CONDUCTOR AMPACITY MICROINVERTERS * CONTINUOUS LOAD (1.25) ADDRESS: 4546 LEARY WAY <br /> = (1.35 * 35) * 1.25 NORTHWEST, SEATTLE, WA 98107 <br /> = 47.25 * 1.25 PHONE NUMBER: (206) 297-0086 <br /> = 59.06A <br /> PV OVERCURRENT PROTECTION = 60A> 59.06A LICENSE NUMBER: SUNERS1905D4 <br /> LICENSE TYPE: ELECTRICAL <br /> PV BACKFEED <_ 60A PV OVERCURRENT PROTECTION <br /> CUSTOMER INFORMATION <br /> NAME: DANIEL GOODMAN <br /> ADDRESS: 3433 TULALIP AVENUE, <br /> EVERETT, WA 98201 <br /> ELECTRICAL NOTES WIRE SIZE CALCULATIONS COORDINATES: 47.971262, -122.219688 <br /> 1. CONDUCTORS EXPOSED TO SUNLIGHT SHALL BE LISTED AS SUNLIGHT RESISTANT PER AMBIENT TEMPERATURE @ 27°C APN: 00437783001602 <br /> NEC 310.10(D). TAG 1: (AC) <br /> 2. CONDUCTORS EXPOSED TO WET LOCATIONS SHALL BE SUITABLE FOR USE IN WET REQUIRED CONDUCTOR AMPACITY (1.35 * 9 * 1.25) = 15.18A <br /> LOCATIONS PER NEC 310.10(C). CORRECTED AMPACITY CALCULATION (1 * 1 * 25) = 25A 14.700kW DC / 11.375kW AC ROOF <br /> 3. MAXIMUM DC/AC VOLTAGE DROP SHALL BE NO MORE THAN 2%. 15.18A < 25A (#12 AWG ENPHASE Q CABLE) MOUNT PV SYSTEM <br /> 4. ALL CONDUCTORS SHALL BE IN CONDUIT UNLESS OTHERWISE NOTED. TAG 2: (AC) <br /> 5. BREAKER/FUSE SIZES PER NEC 240. REQUIRED CONDUCTOR AMPACITY (1.35 * 9 * 1.25) = 15.18A <br /> 6. AC EQUIPMENT GROUNDING CONDUCTOR SIZED PER NEC 250.122. CORRECTED AMPACITY CALCULATION (1 * 0.7 * 35) = 24.5A <br /> 7. THE AMBIENT TEMPERATURE CORRECTION FACTOR IS BASED ON NEC 310.15(B)(1)(1). 15.18A < 24.5A (3/4" EMT, #10 AWG THHN/THWN-2, Cu) <br /> 8. MAX. SYSTEM VOLTAGE COEFFICIENT IS FROM MODULE MANUFACTURER OR NEC 690.7 TAG 3: (AC) <br /> WHEN MANUFACTURER COEFFICIENT UNAVAILABLE. REQUIRED CONDUCTOR AMPACITY (1.35 * 35 * 1.25) = 59.06A <br /> 9. CONDUCTORS ARE SIZED PER NEC TABLE 310.16. CORRECTED AMPACITY CALCULATION (1 * 1 * 65) = 65A <br /> 10. CONDUIT SHALL BE INSTALLED MINIMUM 7/8" FROM ROOF SURFACE. 59.06A < 65A (3/4" EMT, #6 AWG THHN/THWN-2, Cu) <br /> TAG 4: (AC) <br /> REQUIRED CONDUCTOR AMPACITY (1.35 * 35 * 1.25) = 59.06A <br /> CORRECTED AMPACITY CALCULATION (1 * 1 * 65) = 65A <br /> 59.06A < 65A (3/4" PVC, #6 AWG THHN/THWN-2, Cu) <br /> PROJECT ID AUR-1004630 <br /> DATE 9/27/2024 <br /> CREATED BY VK <br /> SIGNATURE <br /> ELECTRICAL CALCULATIONS <br /> PV-4.1 <br />