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E2 <br />SINGLE LINE DIAGRAM <br />SCE ID:00002141204 <br />CITY OF SANTA ANA <br />CORPORATE YARD <br />220 S DAISY AVE <br />SANTA ANA, CA 92703 <br />SOUTHERN CALIFORNIA EDISON CO. <br />CHARGE READY PROGRAM <br />2244 WALNUT GROVE AVENUE <br />ROSEMEAD, CA 91770 <br />TEL: (800) 665-4555 <br />S8 <br />GG <br />MW <br />02/17/26 <br />07/08/25HLSP/SLD <br />877.706.6858 www.NV5.com <br />12/04/2550% CONSTRUCTION DOCUMENTS <br />02/17/26100% CONSTRUCTION DOCUMENTS <br />NOTES: <br />1.STANDARD RATED SERVICE PANELS, OVER CURRENT PROTECTION DEVICES AND WIRE SIZES <br />BASED ON CEC/CEC REQUIREMENTS AT 125% CONTINUOUS LOAD. 100% RATED SERVICE PANELS, <br />OVER CURRENT PROTECTION DEVICES AND WIRE SIZES BASED ON CEC/CEC REQUIREMENTS AT <br />100% CONTINUOUS LOAD. <br />2.PROPOSED UTILITY CTS/PTS SHALL BE LOCATED WITHIN COMPARTMENTS APPROVED BY THE <br />UTILITY AS SHOWN IN THIS DRAWING PACKAGE. <br />3.THE METHODS CONTAINED IN CEC/NEC ARTICLE 250 SHALL BE FOLLOWED TO COMPLY WITH <br />GROUNDING AND BONDING OF ELECTRICAL SYSTEMS AND NON-CURRENT CARRYING <br />CONDUCTIVE MATERIALS, ENCLOSURES, OR ITEMS FORMING PART OF ANY SUCH EQUIPMENT <br />THAT ENCLOSES OR CARRIES ELECTRICAL CONDUCTOR OR EQUIPMENT THAT IS LIKELY TO <br />BECOME ENERGIZED. SEE CEC/NEC 250.4(A)(1) THROUGH (5) FOR FURTHER DESCRIPTION. <br />4.WHERE TWO OR MORE GROUND RODS ARE TO BE INSTALLED, THE MINIMUM SEPARATION SHALL <br />BE 6' PER CEC/NEC 250.53 (A)(2), AND (3) RESISTANCE OF ELECTRODES. <br />5.CONTRACTOR TO INSTALL TERMINAL BLOCK PRIOR TO CHARGER BEING INSTALLED IN SEPARATE <br />PERMIT. <br />1 <br />3 <br />PROPOSED <br />SCE UTILITY <br />TRANSFORMER <br />GROUNDING ELECTRODE <br />5/8"X8'-0" COPPER CLAD GROUND <br />ROD INSTALLATION PER NEC <br />250.52(A)(5), 250.53 (A) AND 250.68 <br />INCOMING/ <br />METER <br />SECTION <br />GR <br />N <br />D <br />NE <br />U <br />T <br />#6 SOLID AWG CU <br />GROUNDING ELECTRODE <br />CONDUCTOR PER NEC <br />250.66 (A) <br />600A <br />3P <br />LSIG <br />MANUFACTURER PROVIDED <br />MAIN BONDING JUMPER PER <br />CEC 250.24 (A)(4), <br />250.28(C),250.8(A)(7) <br />DISTRIBUTION <br />SECTION <br />EV-XFMR-1 <br />2 5 kVA <br />480-208V, <br />"EV-SWBD-B" DISTRIBUTION SWITCHBOARD, <br />600A BUS, 600A MAIN, 208V, 3Ø, 4W, <br />42 KAIC, FULLY RATED, NEMA 3R <br />L2-EVSE-1 <br />CHARGE PORT <br />1 & 2 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-1 <br />CHARGE PORT <br />1 & 2 <br />50A <br />2P <br />L2-EVSE-2 <br />CHARGE PORT <br />3 & 4 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-2 <br />CHARGE PORT <br />3 & 4 <br />L2-EVSE-3 <br />CHARGE PORT <br />5 & 6 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-3 <br />CHARGE PORT <br />5 & 6 <br />L2-EVSE-4 <br />CHARGE PORT <br />7 & 8 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-4 <br />CHARGE PORT <br />7 & 8 <br />L2-EVSE-5 <br />CHARGE PORT <br />9 & 10 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-5 <br />CHARGE PORT <br />9 & 10 <br />L2-EVSE-6 <br />CHARGE PORT <br />11 & 12 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-6 <br />CHARGE PORT <br />11 & 12 <br />L2-EVSE-7 <br />CHARGE PORT <br />13 & 14 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-7 <br />CHARGE PORT <br />13 & 14 <br />L2-EVSE-8 <br />CHARGE PORT <br />15 & 16 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-8 <br />CHARGE PORT <br />15 & 16 <br />L2-EVSE-9 <br />CHARGE PORT <br />17 & 18 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-9 <br />CHARGE PORT <br />17 & 18 <br />50A <br />2P <br />4 <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />50A <br />2P <br />TERMINAL BLOCK <br />(TYP) (SEE NOTE 5) <br />L2-EVSE-10 <br />CHARGE PORT <br />19 & 20 <br />(40FLA+40FLA) <br />(INSTALLED BY <br />OTHERS) <br />L2-EVSE-10 <br />CHARGE PORT <br />19 & 20 <br />50A <br />2P <br />50A <br />2P <br />CONDUIT AND WIRING SCHEDULE <br />FROM TO CONFIGURATION <br />EXISTING UTILITY <br />TRANSFORMER <br />PROPOSED 400A 480V METERED <br />SWITCHBOARD TBD (PER UTILITY DESIGN) <br />PROPOSED 400A 480V <br />METERED SWITCHBOARD <br />PROPOSED 225KVA 480/208V <br />STEP DOWN TRANSFORMER <br />(3) 3/0 AWG CU (THWN-2) + <br />(1) #3 AWG CU (THWN-2) EGC <br />IN EACH OF (2) 2" SCH 40 PVC <br />PROPOSED 225KVA 480/208V <br />STEP DOWN TRANSFORMER <br />PROPOSED 600A 208V <br />DISTRIBUTION SWITCHBOARD <br />(3) 350 MCM CU (THWN-2) + <br />(1) 350 MCM CU (THWN-2) NEUT + <br />(1) #2 AWG CU (THWN-2) SSBJ <br />IN EACH OF (2) 3" SCH 40 PVC <br />PROPOSED 600A 208V <br />DISTRIBUTION SWITCHBOARD PROPOSED DUAL L2-EVSE <br />(4) #4 AWG CU (THWN-2) + <br />(1) # AWG CU (THWN-2) EGC <br />IN (1) 1 1/2" RGS ABOVE GRADE, <br />SCH 40 PVC BELOW GRADE <br />1 <br />2 <br />3 <br />4 <br />GROUNDING ELECTRODE <br />5/8"X8'-0" COPPER CLAD <br />GROUND ROD INSTALLATION <br />PER NEC 250.52(A)(5), 250.53 <br />(A) AND 250.68 <br />INCOMING/METER <br />SECTION <br />GR <br />N <br />D <br />NE <br />U <br />T <br />#6 SOLID AWG CU <br />GROUNDING ELECTRODE <br />CONDUCTOR PER NEC <br />250.66 (A) <br />M <br />400A <br />3P <br />MANUFACTURER PROVIDED <br />MAIN BONDING JUMPER PER <br />NEC 250.24 (A)(4), <br />250.28(C),250.8(A)(7) <br />"EV-SWBD-A" METERED SWITCHBOARD, <br />400 AMP BUS, 400A MAIN, 480/277V, 3Ø, 4W 30KAIC(MINIMUM) <br />SEE NOTE 2 <br />MAIN BREAKER <br />SECTION <br />2 <br />20A <br />1P <br />SPARE <br />2 <br />3Ø, 4W, <br />480