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BACKUP LOADS <br />LOAD BREAKER RATING <br />(AMPS)LABEL DEMAND <br />LOAD <br />1 15A-1P LIGHTING/ RECEPTACLE 1500 W <br />2 15A-1P LIGHTING/ RECEPTACLE 1500 W <br />3 20A-1P LIVING ROOM 1500 W <br />4 20A-1P M BED OUT 1500 W <br />5 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />6 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />7 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />8 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />9 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />10 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />11 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />12 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />13 20A-1P LIGHTING/ RECEPTACLE 1500 W <br />14 30A-2P AC 4464 W <br />PAGE <br />REV: B1 12/10/2024 <br />2500 WHITE RD. SUITE A, IRVINE CA 92614 <br />PHONE 805.540.7603 <br />FAX 949.215.7778 <br />ISIDRO MENDOZA <br />2701 S POPLAR ST, SANTA ANA, <br />CA, 92704 <br />PROJECT NUMBER: <br />109R-701MEN1 <br />SHEET <br />DESIGNER: <br />VISHNUMAYA KP <br />CUSTOMER RESIDENCE: <br />TEL. (714) 697-7230 <br />APN: 140-273-07 <br />GILBERT CORREIA, C10, C46 <br />CA CL #750184 <br />(415) 580-6920 ex3 <br />BACKUP LOAD CALCS <br />ALL BACKED UP LOADS ABOVE IN THE BACKED UP LOADS PANEL ARE RELOCATED FROM THE MAIN SERVICE <br />PANEL. <br />BACKED UP LOADS CALCULATION: <br />(4464 VA)/ 240V = 18.6 A PER CEC 2022 ARTICLE 690.10 OR NEC 2020 ARTICLE 710.15. <br />THE MAXIMUM CURRENT FOR ALL LARGE APPLIANCES LOADS IS 18.6A. <br />(MAX LOADS OUTPUT) X (CONTINUOUS LOADS) = <br />18.6 A X 1.25 = 23.25A <br />BACKED UP LOADS PANEL BREAKER = 70A <br />23.25 A < 70A. <br />THEREFORE, THE AMPERAGE OF THE BACKED UP LOADS IS LESS THAN THAT OF THE OCPD. <br />AC WIRE SIZING FOR BACKUP LOADS PANEL <br />MAX AC OUTPUT CURRENT = (MAX LOADS OUTPUT) X (CONTINUOUS LOAD)[210.19(A)(1)] = <br />18.6 A X 1.25 = 23.25 A <br />ADJUSTED CONDUCTOR AMPACITY = (HIGH TEMP)[TABLE 310.15(B)(1)] X (CONDUIT FILL)[TABLE 310.15(C)(1)] X <br />(CONDUCTOR AMPACITY)[TABLE 310.16] = <br />0.91 X 1 X 40A = 36.4A <br />TERMINAL RATING[110.14(C)] = <br />10 AWG, 75°C RATED = 35A <br />35A < 36.4A TERMINAL RATING GOVERNS CONDUCTOR SIZING. <br />23.25A < 35A 10 AWG AMPACITY OK <br />THEREFORE 10 AWG IS SUFFICIENT. <br />PV-4.3 <br />BACKUP LOAD <br />CALCS <br />2701 S Poplar St <br />3/10/2025