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GENERAL ELECTRICAL NOTES MODULE CHARACTERISTICS OPTIMIZER CHARACTERISTICS STATION CHARACTERISTICS MAX TEMP [°C]: 38 MIN TEMP [°C]: -2 SINGLE LINE DIAGRAM LEGEND CURRENT TRANSFORMER (DOT INDICATES DIRECTION) METER CIRCUIT BREAKER SWITCH PV MODULE FUSE INVERTER~-- M CELLULAR ANTENNA DC COMBINER TRANSFORMER BATTERY MODULE A B TRANSFER SWITCH (ATS/ MTS) JUNCTION BOX + - INTERCONNECTION NOTES INTERCONNECTION NOTES ·SUPPLY SIDE INTERCONNECTIONS SHALL COMPLY WITH ART. 705.11 AND ART 230 FOR THE INSTALLATION OF AN ADDITIONAL SERVICE ENTRANCE ·THE OVERCURRENT PROTECTION DEVICE ON THE SUPPLY SIDE OF THE SERVICE DISCONNECTING MEANS SHALL BE WITHIN 10 FEET OF THE INTERCONNECTION POINT UNLESS CABLE LIMITERS OR CURRENT-LIMITED CIRCUIT BREAKERS ARE INSTALLED ON EACH UNGROUNDED CONDUCTOR AT THE POINT OF INTERCONNECTION PER ART. 705.11(C). THIS OVERCURRENT DEVICE MUST BE SIZED FOR THE SHORT-CIRCUIT CURRENT SUPPLIED FROM THE PRIMARY SOURCE(S) OF ELECTRICITY. ·SUPPLY SIDE INTERCONNECTIONS SHALL BE MADE IN ACCORDANCE WITH THE EQUIPMENT MANUFACTURER'S INSTRUCTIONS AND SHALL NOT INVALIDATE THE NRTL LISTING OF THE EQUIPMENT. ·RMC OR SCH 80 PVC TYPE CONDUIT SHALL BE USED TO ENCLOSE NEW SERVICE CONDUCTORS USED FOR A SUPPLY SIDE INTERCONNECTION. ·NEW SERVICE CONDUCTORS USED FOR SUPPLY SIDE INTERCONNECTIONS SHALL BE INSTALLED IN A SEPARATE RACEWAY FROM ANY LOAD SIDE CONDUCTORS WITHIN THE MAIN SWITCHBOARD PER NEC 230.7. GENERAL NOTES ·ALL ELECTRICAL WORK SHALL COMPLY WITH THE NEC 2020 CODE AS AMENDED BY APPLICABLE STATE AND LOCAL CODES. ·EACH UNGROUNDED CONDUCTOR OF THE MULTIWIRE BRANCH CIRCUIT WILL BE IDENTIFIED BY PHASE AND SYSTEM PER ART 210.5. ·BRANCH CIRCUITS SUPPLIED FROM DC SYSTEMS MUST BE IDENTIFIED IN COMPLIANCE WITH ART. 210.5(C)(2) WHERE DC POSITIVE (+) IS RED/ RED-STRIPED AND DC NEGATIVE (-) IS BLACK/BLACK-STRIPED. ·ALL EQUIPMENT SHALL BE LISTED BY A NRTL IN COMPLIANCE WITH ART 110.3. ·DC CONDUCTORS INSIDE BUILDING SHALL BE IN METALLIC RACEWAY PER ART 690.31(D). ·ALL WIRES SHALL BE PROVIDED WITH STRAIN RELIEF AT ALL ENTRY INTO BOXES AS REQUIRED BY NRTL LISTING. ·PARALLEL CONDUCTORS SHALL BE INSTALLED PER ART 310.10(G). ·ALL VALUES FOR Imp, Isc AND Vmp ARE PER MANUFACTURER'S LISTED DATA AT STC. MAXIMUM VOLTAGE CALCULATED IN ACCORDANCE WITH ARTICLE NEC 690.7. ·REFER TO CURRENT MANUFACTURER'S PLANNING AND INSTALLATION MANUAL FOR TORQUE SPECS FOR ALL BOLTS AND TERMINAL CONNECTIONS. ·BRANCH CIRCUITS RUN IN OUTDOOR ROOFTOP AMBIENT CONDITIONS SHALL BE INSTALLED > 7/8 INCH ABOVE ROOF SURFACE. ·ALL PV CIRCUITS LOCATED OUTSIDE THE ARRAY BOUNDARY OR MORE THAN 3 FT FROM THE POINT OF ENTRY INSIDE A BUILDING SHALL BE LIMITED TO NOT MORE THAN 30 VOLTS WITHIN 30 SECONDS, CIRCUITS INSIDE THE ARRAY BOUNDARY OR NOT MORE THAN 3 FT FROM THE POINT OF PENETRATION SHALL BE LIMITED TO NOT MORE THAN 80 VOLTS UPON RAPID SHUT-DOWN INITIATION PER 690.12. ·PV SYSTEM SHALL CONTAIN OR INTERACT WITH DEVICES CAPABLE OF DETECTING AND INTERRUPTING ARCING FAULTS WITHIN THE SYSTEM PER 690.11. ·BURIED CONDUCTORS SHALL BE BURIED TO THE MINIMUM DEPTH SPECIFIED IN ART. 300.5 FOR CIRCUITS 1000V AND UNDER AND ART. 300.50 FOR CIRCUITS ABOVE 1000V. ·SPACES ABOUT ELECTRICAL EQUIPMENT 1000V AND UNDER SHALL COMPLY WITH 110.26 AND SPACES ABOUT ELECTRICAL ENCLOSURES ABOUT EQUIPMENT ABOVE 1000V SHALL COMPLY WITH 110.34. ·REFER TO THE CONDUCTOR SCHEDULE FOR THE TYPE OF CONDUCTORS TO BE USED FOR THE LISTED CIRCUITS. ·PV WIRE SHALL BE SECURED USING NON-METALLIC UV-RATED TIE WRAPS. ·ALL LINE SIDE AND LOAD SIDE TERMINATIONS OF ALUMINUM AND COPPER CONDUCTORS SHALL BE MADE WITH HIGH PRESS CRIMP LUGS ON BUSSING UNLESS OTHERWISE NOTED. ·ALL TERMINATIONS OF ALUMINUM CONDUCTORS SHALL BE PROPERLY INSTALLED WITH BEST PRACTICE PROCEDURES THAT INCLUDE BUT NOT LIMITED TO: USE OF TERMINATION EQUIPMENT RATED FOR ALUMINUM AT THE CONDUCTOR TEMPERATURE, CURRENT, AND VOLTAGE; ALLOWANCE FOR MOVEMENT DUE TO THERMAL EXPANSION/CONTRACTION; PROPER COATING OF EXPOSED ALUMINUM WITH ANTI-OXIDIZATION COMPOUND; USE OF CALIBRATED DEVICES TO TORQUE AND MARK TERMINALS TO REQUIRED SETTINGS. ·AT MULTIPLE INVERTERS OUTPUT COMBINER PANEL, TOTAL RATING OF ALL OVERCURRENT DEVICES SHALL NOT EXCEED AMPACITY OF BUSBAR. HOWEVER, THE MAIN OVERCURRENT DEVICE MAY BE EXCLUDED ACCORDING TO NEC 705.12 (B)(3)(3). GROUNDING NOTES ·GROUNDING SYSTEM COMPONENTS SHALL BE LISTED FOR THEIR PURPOSE, AND GROUNDING DEVICES EXPOSED TO THE ELEMENTS SHALL BE RATED FOR SUCH USE. ·PV EQUIPMENT SHALL BE GROUNDED ACCORDING TO NEC 690.43 AND MINIMUM NEC TABLE 250.122. ·METAL PARTS OF MODULE FRAMES, MODULE RACKING, AND ENCLOSURES CONSIDERED GROUNDED IN ACCORD WITH 250.134 AND 250.136. ·EACH MODULE WILL BE GROUNDED USING THE HARDWARE INTEGRATED GROUNDING PINS OR OTHER MEANS APPROVED BY THE MODULE MANUFACTURE AND AHJ. ·THE GROUNDING CONNECTION TO A MODULE SHALL BE ARRANGED SUCH THAT THE REMOVAL OF A MODULE DOES NOT INTERRUPT A GROUNDING CONDUCTOR TO ANOTHER MODULE. · ·GROUNDING AND BONDING CONDUCTORS, IF INSULATED, SHALL BE COLORED GREEN OR MARKED GREEN IF #4 AWG OR LARGER [NEC 250.119(A)] ·THE AC & DC GEC SHALL BE CONTINUOUS FROM THE INVERTER GROUND BUSBAR TO THE MAIN ELECTRICAL SERVICE GROUNDING ELECTRODE SYSTEM. THE DC GEC SHALL BE ATTACHED TO THE GROUND ELECTRODE USING AN IRREVERSIBLE MEANS AS CALLED OUT IN ART 250.64 AND 690.47. ·PV INVERTER CONTAINS AN INTEGRATED GFDI CIRCUIT. DO NOT BOND THE GROUNDED DC CONDUCTOR TO GROUND EXCEPT THROUGH THE INVERTER GFDI. ·ALL EXPOSED METAL PARTS (MODULE FRAMES, RAIL, PIPE, BOXES, ETC) SHALL BE GROUNDED USING TIN-PLATED COPPER LAY-IN LUGS OR GROUNDING CLIPS LISTED FOR THE PURPOSE. RAIL CLAMPS SHALL BE MADE ELECTRICALLY CONTINUOUS WITH ATTACHED RAIL. ·RACKING SYSTEMS SHALL BE BONDED PER MANUFACTURER'S UL 2703 INSTRUCTIONS. ·MIN #10 BARE COPPER EGC AT SOURCE CIRCUITS SHALL BE ROUTED SECURELY TO MOUNTING HARDWARE IN A MANNER THAT PROTECTS FROM PHYSICAL HARM. #6 BARE COPPER EGC FOR AREAS SUBJECT TO PHYSICAL DAMAGE. ·MODULE FRAMES SHALL BE GROUNDED AT THE LISTED LOCATION PROVIDED BY THE MANUFACTURER OR USING LISTED THIRD-PARTY HARDWARE ONLY IF SPECIFICALLY REFERRED TO IN MANUFACTURER'S INSTRUCTIONS PER UL 1703.INSTALLER SHALL COMPLY WITH MANUFACTURER GROUND IN BONDING REQUIREMENTS ·BOTH ENDS OF ALL METALLIC CONDUIT CONTAINING GROUNDING ELECTRODE CONDUCTORS SHALL BE BONDED PER ART 250.64(E). ·GROUNDING ELECTRODE CONDUCTOR TO BE BONDED TO (E) GROUNDING ELECTRODE PER ART 250.68. ·DC GROUNDING ELECTRODE CONDUCTOR SIZED PER ART 690.47. AC GROUNDING ELECTRODE CONDUCTOR PER 250.66. ·MAIN BONDING JUMPERS AND GROUNDED CONDUCTORS (NEUTRALS) SHALL BE SIZED PER 250.102 UNLESS OTHERWISE ALLOWED TO BE SIZED PER 705.28(C). ·INCREASES IN DC EQUIPMENT GROUNDING CONDUCTOR SIZE TO ADDRESS VOLTAGE CONSIDERATIONS SHALL NOT BE REQUIRED PER ART 690.45. ·INCREASES IN AC EQUIPMENT GROUNDING CONDUCTOR SIZE TO ADDRESS VOLTAGE CONSIDERATIONS SHALL BE REQUIRED PER 250.122(B). ·INSTALLATION SHALL COMPLY WITH ART 250.52, 250.53. ·CIRCUITS OVER 250V SHALL COMPLY WITH ART. 250.97, 250.92(B). NO CONDUCTOR PERMITTED IN SHADED AREA A SCE METERING NOTES NTS GENERATOR CONDUCTORS CONNECT ON LOAD TERMINALS UTILITY CONDUCTORS CONNECT ON LINE TERMINALS SELF-CONTAINED ENCLOSURE COMBINATION CURRENT TRANSFORMER AND METER CAN 1. WIRING OF A NGO METER SOCKET FOR VIRTUAL NET METERING PROJECTS , THE GENERATOR SHALL BE CONNECTED TO THE LOAD SIDE OF THE NGO SOCKET. 2. THE HORIZONTAL CLEARANCE FROM THE CENTERLINE OF THE METER TO THE NEAREST SIDE WALL OR OTHER OBSTRUCTION SHALL BE 10" MINIMUM. A HORIZONTAL CLEARANCE FROM THE EDGE OF THE METER PANEL TO THE EDGE OF A WINDOW OR DOORWAY (INCLUDING SLIDING GLASS DOORS) SHALL BE 10" MINIMUM. 3. A CLEAR AND LEVEL WORKING SURFACE SHALL BE PROVIDED WITH A THE MINIMUM WIDTH OF THE WORKSPACE SHALL BE 36 AND A MINIMUM DEPTH OF 36". 4. THE MINIMUM HEIGHT OF THE METER SHALL BE 4' AND MAXIMUM HEIGHT SHALL NOT EXCEED 6'-3" MEASURED FROM STANDING SURFACE TO CENTERLINE OF METER SOCKET. 4.1. THE MINIMUM HEIGHT CAN BE REDUCED TO 3' IF LOCATED IN A METER ROOM. 5. DRAWING IS FOR WIRE REFERENCE ONLY AND IS NOT REFLECTIVE OF ACTUAL WIRE PENETRATIONS. 5 5 REMOVABLE TEST PERCH 5 5 ℄ ℄REFER TO DC STRING SCHEDULES FOR FOR STRING LENGTHS AND OPTIMIZER QUANTITY C STRING WIRING - SINGLE OPTIMIZER (TYP.) NTS NOTE: 1. NEGATIVE TOO RUN ALONG SIDE THE POSITIVE WIRE. ALL WIRES MUST BE SECURED TO UNDERSIDE OF THE RACKING AND MODULES USING SUNRUN APPROVED METHODS AND MATERIALS WITH APPROPRIATE UV AND ENVIRONMENTAL RATINGS. 2. CONDUIT TRANSITIONS SHALL BE MADE UNDER ARRAY. 3. INSTALL STRING LABELS ON BOTH ENDS OF HOMERUNS USING LABELS SUITABLE FOR THE ENVIRONMENT. 4. FIELD INSTALLED CONNECTOR, 1000VDC, MATING MUST MATCH MANUFACTURES RECOMMENDATIONS (TYP. TWO PER STRING) 5. TOTAL CIRCUIT LENGTH SHALL NOT EXCEED MANUFACTURE SPECIFICATIONS 6. FREE-AIR PV WIRE TO MATCH GAUGE OF DC-X.X CIRCUIT LOCATED ON DC WIRE SCHEDULES. 4 4 3 3 2 1 (N) SOLAREGDE OPTIMIZER (N) PV MODULE 5 6 150' MAX DISTANCE FOR WIRELESS OPTIONAL THIRD BATTERY (N) J-BOX WITH 3 OR 4 PORT POLARIS LUG OR EQUIV. (N) SOLAREDGE ENERGY BANK BAT-10K1P, WALL MOUNTED OR USING MANUFACTURES FLOOR STAND KIT (IAC-RBAT-FLRSTD-01) (N) SOLAREDGE HOME HUB INVERTER MC-4 CONNECTORS TO BATTERY CONNECTION UNIT ES-1 ES-2 #CONDUIT CONDUCTOR GROUND ES-1 FLOOR STAND INTERNAL CHANNEL OR 3/4" EMT OR EQUIV. (2) 10 AWG PV WIRE (1) 10 AWG THHN/THWN-2 ES-2 3/4" EMT OR EQUIV.(2) 8 AWG THHN/THWN-2 (1) 10 AWG THHN/THWN-2 SOLAREDGE BESS WIRING NTSD SCE LINE SIDE DISCONNECT LABEL LOCATION: LINE SIDE DISCONNECT LABEL LOCATION: LOAD SIDE DISCONNECT LABEL LOCATION: IF PANEL MODIFICATIONS ARE MADE APPROPRIATE PLACARDS MUST BE INSTALLED LABELING THE SECTIONS. 1 2 7 LABEL LOCATION: THE WIRING SEQUENCE OF FACTORY-INSTALLED TEST-BYPASS BLOCKS, FROM LEFT TO RIGHT, IS LINE-LOAD, LINE-LOAD, LINE-LOAD. THIS WIRING SEQUENCE SHALL BE PERMANENTLY LABELED IN 3/4-INCH BLOCK LETTERS BELOW THE TEST-BYPASS TERMINALS. LINE AND LOAD CONDUCTORS SHALL BE CONNECTED ONLY TO TEST-BYPASS BLOCK TERMINALS DESIGNED AS LINE AND LOAD, RESPECTIVELY. 3 LABEL LOCATION: THE LABEL SHALL BE LOCATED ON THE METER PANEL OR ADJACENT TO THE METER SOCKET. ACCEPTABLE METHODS FOR LABELING CUSTOMER NGO METERING SECTIONS OR PANEL(S) SHALL BE EITHER BY PERMANENTLY ATTACHED MACHINE-ENGRAVED LAMINATED PHENOLIC (OR EQUAL) TAGS OR BY PERMANENT STENCILED PAINT LETTERING. ALL LETTERING SHALL BE A MINIMUM ONE-QUARTER INCH IN HEIGHT. 8 B SCE METERING PLACARDS NTS SOLAR INTERCONNECTION TERMINATION SECTION LINE LOAD SCE UTILITY TERMINATION SECTION DISCONNECT 1 OF 2 GENERATION LOAD SIDE DISCONNECT DISCONNECT 2 OF 2 NET GENERATION OUTPUT METERING NOTE: WHEN SELF-CONTAINED (NON-INSTRUMENT RATED) METERING IS SUPPLIED BY SCE FOR NGO METERING PURPOSES, A SAFETY-SOCKET BOX WITH FACTORY-INSTALLED TEST-BYPASS BLOCKS IS REQUIRED. WHEN SWITCHBOARDS OR SWITCHGEAR ARE INSTALLED, THE CUSTOMER SHALL PROVIDE A TAG OR OTHER IDENTIFICATION METHOD TO INDICATE WHICH BUS OR CABLE DIRECTION FROM THE NGO METERING CONNECTS TO THE GENERATOR OUTPUT. TYPICALLY, THE MARKING SHOULD READ “TOP GENERATOR FED” OR “BOTTOM GENERATOR FED.” IF THE NGO METERING EQUIPMENT AND PCC METERING EQUIPMENT ARE SEPARATED BY A DISTANCE OF MORE THAN 100 FEET, OR ARE LOCATED ON DIFFERENT LEVELS OR FLOORS, THEN A PERMANENT SIGN SHALL BE PLACED AT THE PCC METERING LOCATION WHICH STATES THE LOCATION OF THE NGO METERING EQUIPMENT. CURRENT FLOW LABEL LOCATION: FOR INSTRUMENT TRANSFORMER RATED CT NGOM PANELS, THE ARROW POINTING TOWARDS THE UTILITY SIDE DISCONNECT SHALL BE INSTALLED ON THE INSIDE SIDE WALL OF PANEL OR ON THE OUTSIDE FRONT OF NGOM PANEL. 5 SCE LINE SIDE PV LOAD SIDE NGOM M SCE LINE SIDE DISCONNECT GENERATION LOAD SIDE DISCONNECTUTILITY DISTRIBUTION SYSTEM 1 3 8 27 5 PV GENERATION FACILITY LABEL LOCATION: PULL SECTIONS4 4 GRID GENERATION LABEL LOCATION: GRID AND GENERATION CONDUCTORS6 6 OPTIMIZER A: MAKE/MODEL: SOLAREDGE U650 MAX INPUT POWER [W]: 650 MAX INPUT Voc [V]: 60 MAX INPUT Isc [A]: 15 OUTPUT CURRENT [A]: 15 MODULE A: MAKE/MODEL: QCELLS NORTH AMERICA Q.PEAK DUO BLK ML-G10.C+ 410 POWER [W]: 410 Voc [V]: 45.37 Isc [A]: 11.2 Vmp [V]: 37.64 Imp [A]: 10.89 Voc coeff. [%/degC]: -0.27% Isc coeff. [%/degC]: 0.04% # IN SERIES: 1 Vmax CALCULATION: 48.7 VDC = 1 X ( 45.37 VDC - ( 25 - (-2)°C X ( 45.37 X -0.0027 ) V/°C ) C:\USERS\THADDEUS.STEERMAN\DESKTOP\WORKING PROJECTS\1233 - TOWNSEND & RAITT I\3 VA - AHJ COMMENTS AND MOD SWAP\1233_TOWNSEND & RAITT I_CAD_V0\TOWNSEND & RAITT I.DWG ELECTRICAL NOTES CONTRACTOR: ENGINEERING APPROVAL: 600 CALIFORNIA ST #1800, SAN FRANCISCO, CA 94104 CA CL #750184 UNAUTHORIZED USE OF THIS DRAWING SET WITHOUT WRITTEN PERMISSION FROM CONTRACTOR IS IN VIOLATION OF U.S. COPYRIGHT LAWS AND WILL BE SUBJECT TO CIVIL DAMAGES AND PROSECUTIONS. TOWNSEND & RAITT I 817 S TOWNSEND ST, SANTA ANA, CA 92704, USA APN:109-611-20 DEVELOPER: C&C DEVELOPMENT DESCRIPTION DATE REV 0ORIGINAL05/14/25 AAHJ COMMENTS 08/08/25 PROJECT DETAILS: PV SYSTEM: ·31.16 kW DC ·22.8 kW AC ·29.035 CEC AC ENERGY STORAGE: ·11.4 kW AC ·29.1 kWH E500 SHEET SIZE: REVISION: SHEET TITLE: 36" X 24" (ARCH D) DESIGNER: FINS_PK A CONTRACT NUMBER: 3003197588 PJT #: PROP-001233 A A