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ELECTRICAL CALCULATIONS ASSUMPTIONS HIGH TEMPERATURE 47 °C LOW TEMPERATURE -2 °C TEMP ADDER FOR ROOF RUN 22 °C TEMP ADDER FOR ATTIC RUN 7 °C DC WIRE SIZING CALCULATIONS AT ARRAY Max Optimizer Current = 15 A, Wire = 10 AWG, 40 A @ 90⁰C 125% MAX CURRENT (Max Optimizer Current) x (Continuous Load)[690.8(A)]15 A X 1.25 18.75 A Per 690.8(B)(1) 40 A > 18.75 A DERATED AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.58 X 40 A X 1 23.2 A Per. 690.8(B)(2) 23.2 A > 15 A 10 AWG PV WIRE OK AFTER JBOX Max Optimizer Current = 15 A, Wire = 10 AWG, 40 A @ 90⁰C 125% MAX CURRENT (Max Optimizer Current) x (Continuous Load)[690.8(A)]15 A x 1.25 18.75 A Per 690.8(B)(1) 40 A > 18.75 A DERATED AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.58 x 40 A x 0.8 18.56 A Per. 690.8(B)(2) 18.56 A > 15 A 10 AWG WIRE OK SYSTEM CHARACTERISTICS CALCULATIONS VMP Inverter Fixed String Voltage 380 V 380 V VOC Max Inverter System Voltage 480 V 480 V IMP (DC System Size)/ VMP 5280 W / 380 V 13.9 A ISC (Optimizer Max Output Current) x (# Strings)15 A x 1 15 A DC DISCONNECT VALUES RATED MAX POWER-POINT CURRENT (IMP) 13.9 A RATED MAX POWER-POINT VOLTAGE (VMP)380 V MAX SYSTEM VOLTAGE (VOC)480 V MAX SHORT CIRCUIT CURRENT (ISC)15 A AC WIRE SIZING CALCULATIONS AFTER INVERTER Wire = 10 AWG, 40 A @ 90⁰C MAX AC OUTPUT CURRENT (Max Inverter Output) x (Continuous Load)[690.8(B)(1)] 16 A X 1.25 20.00 A TOTAL AMPACITY (High Temp)[Table 310(B)(2)(A) x (Conductor Ampacity)[Table 310.15(B)(16)] x (Conduit Fill)[Table 310.15(B)(3)(a)]0.82 X 40A X 1 32.80 A 20.00 A < 32.8 A Therefore 10 AWG OK OCPD CALCULATIONS MAX AC OUTPUT CURRENT (Max Inverter Output) x (Continuous Load)[690.8(B)(1)]16 A X 1.25 20.00 A 20.00 A --> 20 A Overcurrent Protection OPTIMIZER CHARACTERISTICS - P505 RATED INPUT DC POWER 505 W MAX INPUT VOLTAGE 83 V MAX INPUT CURRENT 17.5 A MAX OUTPUT VOLTAGE 85 V MAX OUTPUT CURRENT 15 A SAFETY OUTPUT VOLTAGE/OPTIMIZER 1 V MIN/MAX STRING LENGTH 6 / 25 MAX POWER PER STRING [HD-WAVE] 5700 W MODULE CHARACTERISTICS - MSOLAR HC 144BB-440W MAX POWER (PMAX) @ STC 440 W OPEN CIRCUIT VOLTAGE (VOC)49.9 V SHORT CIRCUIT CURRENT (ISC)11.33 A MAX POWER VOLTAGE (VMP)41.0 V MAX POWER CURRENT (IMP)10.74 A SERIES FUSE RATING 20 A INVERTER CHARACTERISTICS - SOLAREDGE SE3800H-US MAX OUTPUT POWER 3800 W SYSTEM OPERATING VOLTAGE 380 V MAX CONTINOUS OUTPUT CURRENT 16 A MAX INPUT VOLTAGE 480 V SYSTEM SHORT CIRCUIT CURRENT 15 A CEC MAX EFFICIENCY 99 % E-2.0REV: A GARDOT, MARNI 1128 W RIVIERA DR SANTA ANA, CA 92706 APN # 5643-820-900 TEL #: ---- CLIENT: CALCS 1611 POMONA RD.,STE# 206 CORONA, CA 92878 CSLB # 1043108 PHONE 951.298.9007 CONTRACTOR: 3/7/22 1128 W Riviera Dr 05/31/22