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UTILITY: SOUTHERN CALIFORNIA <br />EDISON <br />METER #: 222013 004801 <br />AHJ: SANTA ANA CITY (CA) <br />ESS: <br />(1) TESLA POWERWALL 3 1707000-21 <br />SHEET SIZE: <br />ANSI B <br />17" X 11" <br />CONTRACTORS LICENSE #: 1099095 <br />CLASSIFICATION: C-10 ELECTRICAL <br />MARK NIELSON CRAM <br />LEGACY INSTALLATION SERVICES, LLC <br />3333 DIGITAL DR #600, LEHI, <br />UT 84043, UNITED STATES <br />855-353-4899 <br />dba LGCY ELECTRIC <br />RESERVED FOR ENGINEERING STAMP <br />(IF APPLICABLE) <br />DRAWN BY: <br />AD <br />DATE: <br /> 5 MAR 2026 <br />MAHAJAN <br />RESIDENCE <br />330 CARRIAGE DR APT D, <br />SANTA ANA <br />CA, 92707 <br />PROJECT ID: LIS52792 <br />SYSTEM SIZE: <br />3870W DC - 11500W AC (3543W CEC AC) <br />MODULES:(9) QCELLS Q.TRON BLK M-G2+ <br />430 <br />INVERTER(S): <br />(1) TESLA POWERWALL 3 1707000-21 <br />SHEET INDEX: <br />PV-1 - COVER SHEET <br />PV-2 - PROJECT NOTES <br />PV-3 - PROPERTY PLAN <br />PV-4 - SITE PLAN <br />PV-5 - ELEVATION VIEW <br />PV-6 - ATTACHMENT DETAILS <br />PV-7 - THREE LINE DIAGRAM <br />PV-8 - ELECTRICAL CALCS <br />PV-9 - ELECTRICAL LOAD CALC <br />PV-10 - LABELS & PLACARD <br />PV-11 - JOB HAZARD SHEET <br />PV-12 - FIELD CHANGE SHEET <br />PV-13+ - DATASHEETS <br />PV MODULE SPECIFICATIONS <br />MODEL QCELLS Q.TRON BLK M-G2+ <br />430 <br />PMAX 430W <br />VOC 39.32V <br />VMP 32.94V <br />IMP 13.05A <br />ISC 13.74A <br />DESIGN CRITERIA AND <br />CALCULATIONS BASED UPON: <br />WIRE AMPACITIES FROM CEC TABLE 310.16 <br />(75°C COLUMN) <br />ASHRAE 2% AVERAGE HIGH = 31.6°C <br />INVERTER SPECIFICATIONS <br />MODEL TESLA POWERWALL 3 1707000-21 <br />MAX INPUT DC VOLTAGE 480V <br />MAX DC SHORT CIRCUIT CURRENT 15A <br />MAX OUTPUT POWER 11500W <br />MAXIMUM CONT. OUTPUT CURRENT 48A <br />CEC EFFICIENCY 98% <br />PV-8 <br />ELECTRICAL <br />CALCULATIONS <br />CONDUCTOR CALCULATIONS <br />WIRE TAG A B C D E F G H I <br />L1, L2 12 AWG THHN, CU 8 AWG THHN, CU 8 AWG THHN, CU 6 AWG THWN-2, CU 6 AWG THWN-2, CU <br />OCPD/ 125% CURRENT <br />≤ <br />CONDUCTOR AMPACITY <br />21.6A ≤25A RATED 21.6A ≤35A RATED 21.6A ≤35A RATED ≤65A RATED 60A ≤65A RATED <br />OK OK OK OK OK <br />17.3A ≤23.5A RATED 17.3A 32.9A RATED 17.3A ≤32.9A RATED 48A 60A ≤61.1A RATED <br />OK OK OK OK OK <br />CONDUIT PV CABLE MC CABLE 3/4" EMT 3/4" EMT 3/4" EMT <br />N/A N/A 0.079 IN²≤0.213 IN²0.173 IN² 0.213 IN²0.173 IN²≤0.213 IN² <br />OK OK OK OK <br />CONDUIT AND CONDUCTOR SPECIFICATIONS ARE BASED ON MINIMUM CODE REQUIREMENTS AND ARE NOT MEANT TO LIMIT UPSIZING IF REQUIRED BY FIELD CONDITIONS. AMPACITY RATINGS ARE DONE USING 75°C CONDUCTOR AMPACITY RATING UNLESS CODE REQUIRES OTHERWISE. CONDUIT OR CABLE ON THE ROOF WILL BE AT <br />LEAST 7/8" ABOVE THE ROOF SURFACE. FOR WIRE TAGS WITH MULTIPLE CIRCUITS IN PARALLEL THE LARGEST CURRENT OF THE PARALLEL CIRCUITS IS SHOWN. <br />BATTERY SPECIFICATIONS <br />MODEL TESLA POWERWALL 3 <br />1707000-21 <br />NOMINAL AC VOLTAGE 240V <br />MAXIMUM DC VOLTAGE ---- <br />RATED OUTPUT CURRENT 48A <br />PEAK OUTPUT ---- <br />TOTAL CAPACITY 13.5 kWh <br />BATTERY CHEMISTRY LITHIUM IRON PHOSPHATE <br />OCPD/ CURRENT <br />≤ <br />ADJUSTED AMPACITY <br />CONDUIT FILL <br />≤ <br />ALLOWABLE FILL <br />BACKUP LOAD PANEL SCHEDULE <br />MAIN DISCONNECT: 60A <br />POSITION CIRCUIT SIZE SIZE CIRCUIT POSITION <br />1 2 <br />3 4 <br />5 6 <br />7 8 <br />9 10 <br />11 12 <br />13 14 <br />15 16 <br />17 18 <br />19 20 <br />21 22 <br />23 24 <br />25 26 <br />27 28 <br />29 30 <br />31 32 <br />33 34 <br />35 36 <br />37 38 <br />39 40 <br />APPROX MAX LENGTH <br />VOLTAGE DROP %0.51%0.21%0.16% <br />15 FT <br />0.29%0.00% <br />PV RUN VOLTAGE DROP % <br />BATTERY CIRCUIT 1 VOLTAGE DROP % <br />BATTERY CIRCUIT 2 VOLTAGE DROP % <br />0.89% <br />0.29% <br />N/A <br />≤ <br />15 FT20 FT30 FT <br />EMS/PCS: CEC 705.13 PCS USED TO MONITOR ALL SOURCES INCOMING TO <br />BUSBAR AND DYNAMICALLY LIMIT SYSTEM OUTPUT SUCH THAT THE BUSBAR <br />AMPACITY IS NOT EXCEEDED BY COMBINATION OF SOURCES. REFER TO THE <br />MANUFACTURER'S INSTRUCTIONS FOR MORE INFORMATION. <br />≤ <br />≤ <br />60A <br />61.1A RATED <br />X