1621 S Diamond St Unit #2 - Plan (2)

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PV-4A DATE: 01/13/2026 REV E AHJ: APN: 40824215 SANTA ANA CITYSCALE: SHEET SIZE: 11" x 17" TEMPLATE V2.0 PREPARED BY: HIGH LINE DESIGNS SCOTT TOYAMA STARS CONSTRUCTION SERVICES INC 6022 WESTERN AVE BUENA PARK, CA 90621 714.262.3929 HUY THIEU NGUYEN C10 #833971 ELECTRICAL CALCULATIONS NTS INVERTER OUTPUT CALCULATIONS & 705.12 COMPLIANCE ELECTRICAL NOTES (APPLICABILITY BASED ON SCOPE OF WORK) ALL EQUIPMENT SHALL BE PROPERLY GROUNDED AND BONDED IN ACCORDANCE WITH NEC ARTICLE 250. A SUPPLEMENTAL GROUND ROD WILL BE DRIVEN IN ACCORDANCE WITH CEC 250.53(A)(3) IF THE EXISTING GROUND ROD HAS A RESISTANCE TO EARTH THAT IS GREATER THAN 25 OHMS. IF ANY EXISTING LOAD CONDUCTORS ARE EXTENDED BY MORE THAN 6', AFCI PROTECTION WILL BE PROVIDED PER CEC 210.12(D). PER CEC 690.47(A) PV SYSTEMS THAT ARE NOT SOLIDLY GROUNDED, THE EQUIPMENT GROUNDING CONDUCTOR FOR THE OUTPUT OF THE PV SYSTEMS SHALL BE PERMITTED TO BE THE CONNECTION TO GROUND FOR GROUND-FAULT PROTECTION AND EQUIPMENT GROUNDING OF THE PV ARRAY. THE ESS CIRCUIT BREAKER SHALL BE SECURED IN PLACE BY AN ADDITIONAL FASTENER PER CEC 408.36(D). NO SINGLE BACK-UP LOAD WILL BE LARGER THAN THE MAXIMUM CONTINUOUS OUTPUT OF THE ESS PER CEC 710.15(A). AS-BUILT CHANGES TO THE ABOVE WIRING ARE PERMISSIBLE AS LONG AS SUBSITUTIONS ARE CODE COMPLIANT. FOR EXAMPLE, APPROPRIATELY SIZED NM-B MAY BE USED FOR MICROINVERTER OUTPUT CIRCUITS IF INSTALLED IN ACCORDANCE WITH CEC ARTICLE 334, OR MC CABLE MAY BE USED FOR DC SOLAR STRINGS IF INSTALLED IN ACCORDANCE WITH CEC ARTICLE 330. ALL OUTDOOR EQUIPMENT SHALL BE RAINTIGHT & HOLD A MINIMUM NEMA 3R RATING, INCLUDING ALL ROOF MOUNTED TRANSITION BOXES AND SWITCHES. CONDUCTORS EXPOSED TO WET CONDITIONS SHALL BE SUITABLE FOR USE IN WET CONDITIONS PER CEC 310.10(C). ALL TERMINAL TEMPERATURES OF EQUIPMENT WILL BE VERIFIED TO BE RATED FOR 75°C, OR THE WIRE WILL NEED TO BE RESIZED USING THE 60°C TERMINAL TEMPERATURE RATINGS FOR 100A OR LESS. ALL NM-B SHALL BE INSTALLED AND PROTECTED PER CEC 334, AND ALL SER CABLE SHALL BE INSTALLED AND PROTECTED PER CEC 338. ALL ROOFTOP RACEWAYS AND CABLES EXPOSED TO DIRECT SUNLIGHT WILL BE INSTALLED >7/8" ABOVE THE ROOF. x ID STARTING LOCATION FINAL LOCATION UNGROUNDED CONDUCTORS NEUTRAL CONDUCTOR EQUIPMENT GND CONDUCTOR CONTROL WIRE TERM. TEMP. # OF CCC ASHARE 2% HIGH TEMP.CCC ADJUSTMENT AMBIENT TEMP CORR.90°C RATING DERATED AMP. TERM. TEMP. RATING OCPD CONDUIT CONDUIT FILL LENGTH LOAD VOLTAGE VOLTAGE DROP 1 STRING JUNCTION BOX (2) 10 AWG, PV WIRE, CU N/A (1) 6 AWG, SOLID BARE, CU -- 75°C 2 31°C 20.0A N/A FREE AIR N/A 8FT 10.4A 86.22V 0.25% 2 JUNCTION BOX INVERTER (4) 10 AWG, THWN-2, CU N/A (1) 10 AWG, THWN-2, CU -- 75°C 4 31°C 35.0A N/A 0.75" EMT 19.09% 18FT 10.4A 86.22V 0.56% 3 INVERTER NON-FUSED AC DISCONNECT (2) 8 AWG, THWN-2, CU (1) 8 AWG, THWN-2, CU (1) 10 AWG, THWN-2, CU -- 75°C 2 31°C 50.0A 40A 0.75" EMT 23.86% 25FT 25.0A 240V 0.41% 4 NON-FUSED AC DISCONNECT ADU SUBPANEL (2) 8 AWG, THWN-2, CU (1) 8 AWG, THWN-2, CU (1) 10 AWG, THWN-2, CU -- 75°C 2 31°C 50.0A 40A 0.75" EMT 23.86% 5FT 25.0A 240V 0.08% x = x x = x 0.96 40.0Ax =1 N/AN/A N/A N/A 1 55.0A INVERTER OUTPUT CIRCUIT INVERTER OR ESS # OF INVERTERS / ESS CONTINUOUS OUTPUT 125% SAFETY FACTOR TOTAL BACKFEED MINIMUM BREAKER SIZE #1 GROWATT 6KW 1 25.00A 125% 31.25A 40A PANEL 705.12 COMPLIANCE BUSBAR OCPD PROTECTING PANEL BUSBAR X 120% MAX GENERATION BACKFEED MSP 705.12(B)(3)(2)200A 200A 240A 40A ADU SUBPANEL 705.12(B)(3)(2)125A N/A N/A N/A HOUSE SUBPANEL 705.12(B)(3)(3)125A N/A N/A N/A 38.4A 52.8A x x =1 55.0A 0.96 0.96 52.8A DIAMOND ADU 1621 S DIAMOND ST, UNIT 2 SANTA ANA, CA 92704