HomeMy WebLinkAboutELECTRICAL CALCULATIONS ELECTRICAL CALCULATIONS: ELECTRICAL NOTES
1.ALL EQUIPMENT TO BE LISTED BY UL OR OTHER NRTL, AND 0ADD:7300RYANDAIRYRDSUITE
1. CURRENT CARRYING CONDUCTOR LABELED FOR ITS APPLICATION. 400 SEMINOLE FL 33777,USA
2. ALL CONDUCTORS SHALL BE COPPER, RATED FOR 600 V AND 90 CONTACT: 7275714141
LICENSE#AEC-07807
DEGREE C WET ENVIRONMENT.THE TERMINALS ARE RATED FOR
(A) BEFORE IQ COMBINER PANEL 75 DEGREE C.
AMBIENT TEMPERATURE = 33oC 3. CONDUCTOR TERMINATION AND SPLICING AS PER NEC 110.14
4.WIRING, CONDUIT,AND RACEWAYS MOUNTED ON ROOFTOPS
CONDUIT INSTALLED AT MINIMUM DISTANCE OF 7/8 INCHES ABOVE ROOF .....NEC 310.15(B)(3)(c) SHALL BE ROUTED DIRECTLY TO,AND LOCATED AS CLOSE AS LORD&LAWRENCE
TEMPERATURE DERATE FACTOR - 0.96 ...NEC 310.15(B)(2)(a) POSSIBLE TO THE NEAREST RIDGE, HIP, OR VALLEY. "`� CONSULTING ENGINEER
5.WORKING CLEARANCES AROUND ALL NEW AND EXISTING CONTACT:(561)444 8192
GROUPING FACTOR - 0.8...NEC 310.15(B)(3)(a) ELECTRICAL EQUIPMENT SHALL COMPLY WITH NEC 110.26. 5700 LAKE WORTH ROAD SUITE 211
GREENAC6. DRAWINGS INDICATE THE GENERAL ARRANGEMENT OF SYSTEMS. FLORIDAEG,FT33463809
FLORIDA REGISTRY#33809
CONDUCTOR AMPACITY CONTRACTOR SHALL FURNISH ALL NECESSARY OUTLETS,
SUPPORTS, FITTINGS AND ACCESSORIES TO FULFILL APPLICABLE
= (INV O/P CURRENT ) x 1.25 / A.T.F / G.F ...NEC 690.8(B) CODES AND STANDARDS.
= [(12 X 1.21) X 1.251 / 0.96 / 0.8 7.WHERE SIZES OF JUNCTION BOXES, RACEWAYS,AND CONDUITS
ARE NOT SPECIFIED, THE CONTRACTOR SHALL SIZE THEM L
= 23.63 A ACCORDINGLY. 0-1
SELECTED CONDUCTOR - #lOTHWN-2 ...NEC 310.15(B)(16) 8.ALL WIRE TERMINATIONS SHALL BE APPROPRIATELY LABELED w
AND READILY VISIBLE.
9. MODULE GROUNDING CLIPS TO BE INSTALLED BETWEEN MODULE (D � U)
(B) AFTER IQ COMBINER PANEL FRAME AND MODULE SUPPORT RAIL, PER THE GROUNDING CLIP O
TEMPERATURE DERATE FACTOR - 0.96 MANUFACTURER'S INSTRUCTION. Q m
10. MODULE SUPPORT RAIL TO BE BONDED TO CONTINUOUS COPPER M
GROUPING FACTOR - 1 G.E.C.VIA WEEB LUG OR ILSCO GBL-4DBT LAY-IN LUG. 0-1
11.THE POLARITY OF THE GROUNDED CONDUCTORS IS NEGATIVE . z U) LL
12. UTILITY HAS 24-HR UNRESTRICTED ACCESS TO ALL = Of
CONDUCTOR AMPACITY PHOTOVOLTAIC SYSTEM COMPONENTS LOCATED AT THE SERVICE O CD
CD
=(TOTAL INV O/P CURRENT) x 1.25 /0.96 / 1 ...NEC 690.8(B) ENTRANCE. n
13. MODULES CONFORM TO AND ARE LISTED UNDER UL 1703.
=[(34x 1.21) x 1.251 /0.96 / 1 14. RACKING CONFORMS TO AND IS LISTED UNDER UL 2703.
=53.57 A 15. CONDUCTORS EXPOSED TO SUNLIGHT SHALL BE LISTED AS
SUNLIGHT RESISTANT PER NEC ARTICLE 300.E(C) (1)AND ARTICLE
SELECTED CONDUCTOR - #6 THWN-2 ...NEC 310.15(B)(16)
310.10 (D). w
16. CONDUCTORS EXPOSED TO WET LOCATIONS SHALL BE SUITABLE a
2. PV OVER CURRENT PROTECTION ..NEC 690.9(B) FOR USE IN WET LOCATIONS PER NEC ARTICLE 310.10 (C).
=TOTAL INVERTER O/P CURRENT x 1.25
,•��01co '''''•, Digitally signed by co Z
=(34 x 1.21) x 1.25 = 51.43 A 4 ....... ....o. '% Z o
SELECTED OCPD = 60A ``�O,•' IICENSF'•.�� Mindy Nicole
No 69779 r _ w w
=* *= O'Neal
SELECTED EQUIPMENT GROUND CONDUCTOR (EGC) _ #10 THWN-2 ... NEC 250.122(A) 0 '•• STATE OF Date: 2021 .11 .17
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21 :29:19 -05'00'
MAX VOLTAGE DROP CALCULATION
PERMIT DEVELOPER
ONE WAY BRANCH RESISTANCE OF %VOLTAGE
CABLE SIZE CABLE DESCRIPTION DISTANCE IN CURRENT (I) CONDUCTOR(R) VOLTAGE (V) DROP=(0.2*D*I*R)/V DATE 09/11/2021
FEET (D)
DESIGNER OAN
#10 THWN-2 JUNCTION BOX TO 20 41.14 1.24 240 0.85
COMBINER PANEL REVIEWER
SHEET NAME
WIRING
CALCULATIONS
THIS ITEM HAS BEEN DIGITALLY SIGNED AND SEALED BY MINDY NICOLE
O'NEAL,PE ON THE DATE ADJACENT TO THE SEAL.PRINTED COPIES OF THIS
DOCUMENT ARE NOT CONSIDERED SIGNED AND SEALED AND THE SIGNATURE SHEET NUMBER
MUST BE VERIFIED ON ANY ELECTRONIC COPIES.
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