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ELECTRICAL NOTES <br /> ELECTRICAL CALCULATIONS: 1. ALL EQUIPMENT TO BE LISTED BY UL OR OTHER NRTL <br /> AND LABELED FOR ITS APPLICATION. <br /> 1 . CURRENT CARRYING CONDUCTOR 2. ALL CONDUCTORS SHALL BE COPPER, RATED FOR 600 V AND <br /> 90 DEGREE C WET ENVIRONMENT.THE TERMINALS ARE RATED <br /> FOR 75 DEGREE C. <br /> (A) BEFORE IQ COMBINER PANEL 3. CONDUCTOR TERMINATION AND SPLICING AS PER NEC <br /> 110.14 <br /> AMBIENT TEMPERATURE = 26°C 4. WIRING, CONDUIT AND RACEWAYS MOUNTED ON ROOFTOPS <br /> CONDUIT INSTALLED AT MINIMUM DISTANCE OF 7/8 INCHES ABOVE ROOF .....NEC 310.15(B)(2) SHALL BE ROUTED DIRECTLY TO AND LOCATED AS CLOSE AS <br /> POSSIBLE TO THE NEAREST RIDGE, HIP, OR VALLEY. <br /> TEMPERATURE DERATE FACTOR - 1 ...NEC 310.15(B)(1)(1) 5. WORKING CLEARANCES AROUND ALL NEW AND EXISTING <br /> GROUPING FACTOR - 0.7...NEC 310.15(C)(1) ELECTRICAL EQUIPMENT SHALL COMPLY WITH NEC 110.26. <br /> 6. DRAWINGS INDICATE THE GENERAL ARRANGEMENT OF <br /> SYSTEMS. CONTRACTOR SHALL FURNISH ALL NECESSARY <br /> CONDUCTOR AMPACITY OUTLETS, SUPPORTS, FITTINGS AND ACCESSORIES TO FULFILL <br /> APPLICABLE CODES AND STANDARDS. <br /> = (INV O/P CURRENT ) x 1 .25 / A.T.F / G.F ...NEC 690.8(B) 7. WHERE SIZES OF JUNCTION BOXES, RACEWAYS AND <br /> = [(11 x 1 .21) x 1 .25] / 1 / 0.7 CONDUITS ARE NOT SPECIFIED, THE CONTRACTOR SHALL LLI- 00 <br /> O <br /> SIZE THEM ACCORDINGLY. N <br /> = 23.77 A 8. ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY Cn pp <br /> SELECTED CONDUCTOR - #10 THWN-2 ...NEC 310.16 LABELED AND READILY VISIBLE. LLJ w m <br /> 9. MODULE GROUNDING CLIPS TO BE INSTALLED BETWEEN J > Q <br /> MODULE FRAME AND MODULE SUPPORT RAIL, PER THE <br /> Q <br /> (B) AFTER IQ COMBINER PANEL GROUNDING CLIP MANUFACTURER'S INSTRUCTION. Q <br /> TEMPERATURE DERATE FACTOR - 1 10. MODULE SUPPORT RAIL TO BE BONDED TO CONTINUOUS op <br /> COPPER G.E.C. VIA WEEB LUG OR ILSCO GBL-4DBT LAY-IN LUG. co W <br /> GROUPING FACTOR - 1 11. THE POLARITY OF THE GROUNDED CONDUCTORS IS NEGATIVE 12. UTILITY HAS 24-HR UNRESTRICTED ACCESS TO ALL W O Lu <br /> PHOTOVOLTAIC SYSTEM COMPONENTS LOCATED AT THE C) ; <br /> CONDUCTOR AMPACITY SERVICE ENTRANCE. < 'r__ Lu <br /> rn <br /> =(TOTAL INV O/P CURRENT) x 1 .25 / 1 / 1 ...NEC 690.8(B) 13. MODULES CONFORM TO AND ARE LISTED UNDER UL 1703. <br /> 41 x 1 .21 x 1 .25 /1 / 1 14. RACKING CONFORMS TO AND IS LISTED UNDER UL 2703. <br /> = <br /> [( ) ] 15. CONDUCTORS EXPOSED TO SUNLIGHT SHALL BE LISTED AS <br /> =62.01 A SUNLIGHT RESISTANT PER NEC ARTICLE 300.6 (C) (1)AND <br /> SELECTED CONDUCTOR - #4 THWN-2 ...NEC 310.16 ARTICLE 310.10 (D). <br /> 16. CONDUCTORS EXPOSED TO WET LOCATIONS SHALL BE SUITABLE F <br /> FOR USE IN WET LOCATIONS PER NEC ARTICLE 310.10 (C). o <br /> 2. PV OVER CURRENT PROTECTION ..NEC 690.9(B) <br /> =TOTAL INVERTER O/P CURRENT x 1 .25 coo <br /> =(41 x 1 .21) x 1 .25 = 62.01 A 0 <br /> SELECTED OCPD = 70A w <br /> SELECTED EQUIPMENT GROUND CONDUCTOR (EGC) _ #8 THWN-2 ... NEC 250.122 <br /> Z <br /> W <br /> W <br /> PERMIT DEVELOPER <br /> DATE 04-25-2025 <br /> DESIGNER ODP <br /> REVIEWER <br /> SHEET NAME <br /> WIRING <br /> CALCULATIONS <br /> SHEET NUMBER <br /> E-02 <br />