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REQUIRED SIGNAGE <br />1. LABEL FOR JUNCTION BOX: 690.35(F) <br />WARNING! <br />ELECTRIC SHOCK HAZARD <br />IF A GROUND FAULT IS INDICATED, NORMALLY <br />GROUNDED CONDUCTORS MAY BE UNGROUNDED <br />AND ENERGIZED <br />2. LABEL FOR SOLAR AC DISCONNECT: 690.53 <br />OPERATING CURRENT:12.0 A <br />OPERATING VOLTAGE: 240 VAC <br />MAXIMUM OUTPUT POWER: 3.0 kW <br />THE SIGN SHOULD BE PLACED ON THE OUTSIDE COVER <br />IF THE MAIN SERVICE DISCONNECT IS OPERABLE WITH <br />THE SERVICE PANEL CLOSED <br />7. ON ALL INVERTER AND EXTERIOR PV CONDUIT, <br />RACEWAYS, ENCLOSURES, CABLE ASSEMBLIES AND <br />JUNCTION BOXES PROVIDE A SIGN WITH THE FOLLOWING <br />WORDING: <br />CAUTION <br />SOLAR CIRCUIT <br />MARKING SHALL BE PLACED EVERY 10 FEET AT TURNS <br />AND ABOVE AND/ OR BELOW PENETRATIONS AND AT <br />ALL PV COMBINER AND JUNCTION BOXES. <br />AC CONDUCTOR AMPACITY CALC'S WALL CONDUIT <br /># OF INVERTER: 12 <br />EXPECTED AMBIENT TEMP. (°C): 31 <br />TEMP. CORR. PER NEC TABLE 310.16: 0.96 <br />CIRCUIT CONDUCTOR SIZE: AWG 10 THWN-2 <br /># OF CURRENT CARRYING CONDUCTORS: 2 <br />CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a): 1 <br />CIRCUIT CONDUCTOR AMPACITY: 40A <br />REQUIRED CIRCUIT CONDUCTOR AMPACITY <br />PER NEC TABLE 690.8(B): <br />1.25 x MAX INVERTER OUTPUT CURRENT X # OF INVERTER <br />1.25xl.0x12=15.OA <br />DERATED AMPACITY OF CIRCUIT CONDUCTORS PER <br />NEC TABLE 310.16: <br />3. PROVIDE A PLACARD WITH THE FOLLOWING <br />WORDING IN 3/8" HIGH LETTERING <br />LABEL FOR SOLAR AC DISCONNECT: 690.17(4) <br />WARNING! <br />ELECTRICAL SHOCK HAZARD <br />DO NOT TOUCH TERMINALS. TERMINALS ON BOTH <br />THE LINE AND LOAD SIDES MAY BE ENERGIZED IN <br />THE OPEN POSITION <br />4. LABEL FOR SOLAR AC DISCONNECT: 690.14(C)(2) <br />ELECTRICAL CALCULATIONS <br />OPERATION VOLTAGE= 240 V <br />OPERATING CURRENT= 12 X 1.0 = 12.0 A <br />MAX PV VOLTAGE & CURRENT CALC'S <br />MAXIMUM AC OUTPUT POWER: <br />250 x 12 = 3.0 kW <br />' TEMP. CORR. PER NEC TABLE 310.16 x <br />CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a) x <br />CIRCUIT CONDUCTOR AMPACITY PER NEC TABLE 310.16 <br />0.96 xlx40= 38.4A > 15.0A O.K. <br />20A PV BREAKER WILL BE PROVIDED <br />- BACKFED 120% RULE PER NEC 690 <br />120% x BUS RATING >= MAIN BREAKER + PV BREAKER <br />120% x 100A >= 100A+PV BREAKER <br />PV BREAKER <= 20A <br />20A <= 20A O.K. <br />AC CONDUCTOR AMPACITY CALC'S ROOF CONDUIT <br />SOLAR AC DISCONNECT <br />5. LABEL POINTING AT OR AT PV BREAKER INSIDE MAIN <br />SERVICE PANEL: 690.64(B)(7) <br />WARNING! <br />INVERTER OUTPUT CONNECTION <br />DO NOT RELOCATE THIS OVERCURRENT DEVICE <br /># OF INVERTER: 12 <br />EXPECTED MAX AMBIENT TEMP. (°C): 53 <br />TEMP. CORR. PER NEC TABLE 310.16: 0.76 <br />CIRCUIT CONDUCTOR SIZE: AWG 10 THWN-2 <br /># OF CURRENT CARRYING CONDUCTORS: 2 <br />CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a): 1.0 <br />CIRCUIT CONDUCTOR AMPACITY: 40A <br />SITE PLACARD <br />CAUTION <br />POWER TO THIS BUILDING IS ALSO SUPPLIED <br />FROM THE FOLLOWING SOURCES WITH <br />DISCONNECTS LOCATED AS SHOWN: <br />FIRE DEPARTMENT REQUIRED SIGNAGE <br />6. THE FOLLOWING SIGNAGE MUST HAVE A MINIMUM <br />OF 3/8" HIGH LETTERING, IN ARIAL FONT(NON-BOLD), <br />WITH CAPITAL LETTERS, WHITE ON RED BACKGROUND <br />AND ON A REFLECTIVE, WEATHER RESISTANT MATERIAL. <br />REQUIRED CIRCUIT CONDUCTOR AMPACITY <br />PER NEC TABLE 690.8(B): <br />1.25 x MAX INVERTER OUTPUT CURRENT X # OF INVERTER <br />1.25xl.0x12=15.OA <br />DERATED AMPACITY OF CIRCUIT CONDUCTORS <br />PER NEC TABLE 310.16: <br />hr <br />AT THE MAIN SERVICE DISCONNECT PROVIDE A SIGN <br />WITH THE FOLLOWING WORDING: <br />CAUTION <br />SOLAR ELECTRIC SYSTEM CONNECTED <br />TEMP. CORR. PER NEC TABLE 310.16 x <br />CONDUIT FILL CORR. PER NEC 310.15(B)(2)(a) x <br />CIRCUIT CONDUCTOR AMPACITY PER NEC TABLE 310.16 <br />0.76 x 1.0 x 40 = 30.4A > 15.0A O.K. <br />10 AWG WIRE IS O.K. <br />044 4 <br />ke <br />1. SOLAR AC DISCONNECT O <br />22. MAIN SERVICE PANEL <3. SOLAR PANELS <br />PV 4 <br />(714) 541-5616 <br />JK 01/l <br />BREA, CA 92821 T: 714-676-8888 <br />I----4<1# 4 <br />M- <br />1