Residential
Residential
ALL ELECTRICAL WORK SHALL BE DONE IN ACCORDANCE OR COMPENSATION WILL BE ALLOWED FOR THE
WITH THE NATIONAL BUILDING CODE, PROVISIONS OF THE DIFFERENCES IN ACTUAL DIMENSIONS AND DIMENSIONS
LATEST EDITION OF THE PHILIPPINE ELECTRICAL CODE, THE INDICATED IN THE DRAWINGS.
LAWS AND ORDINANCES OF THE LOCAL CODE ENFORCING 10. CONTRACTOR SHALL LOCATE ALL SPLICING BOXES TO
AUTHORITIES AND THE REQUIREMENTS OF THE LOCAL ACCESSIBLE PLACE OR WITH ACCESS PANELS.
POWER COMPANY.
11. NOMINATED CONTRACTOR TO VERIFY ALL EQUIPMENTS
1. THE CONTRACTOR SHALL SECURE ALL PERMITS AND PAY TO BE INSTALLED OR PLACE WITHIN THE BUILDING, AND
ALL FEES REQUIRED FOR THE WORK AND SHALL FURNISH MAKE AN ADJUSTMENT WITH THE
THE OWNER THROUGH THE ENGINEERS. FINAL ENGINEER/ARCHITECT CONSENT.
CERTIFICATES OF ELECTRICAL INSPECTION AND
APPROVAL FROM THE PROPER GOVERNMENT 12. THIS DRAWING ARE DIAGRAMMATIC LAYOUT ONLY,
THIS SITE
AUTHORITIES FOR COMPLETE WORK. ANY MATERIALS AND FITTINGS NOT SHOWN ON THIS
PLANS BUT NEEDED TO COMPLETE THE SYSTEM AND
2. CONTRACTOR SHALL CONDUCT EARTH GROUND TEST,
OPERATION SHALL BE INCLUDED WITH THE
WIRE INSULATION AND LOAD TEST UPON COMPLETION
CONTRACTOR'S SCOPE OF WORKS.
OF WORKS.
13. ALL WORKS SHALL BE DONE UNDER THE DIRECT
3. INCASE OF DISCREPANCY BETWEEN PLANS AND SITE
SUPERVISION OF LICENSE DULY REGISTERED ELECTRICAL
CONDITION SPECIFICATIONS & REVISIONS CHANGES, ENGINEER OR REGISTERED MASTER ELECTRICIAN.
THE CONTRACTOR SHOULD IMMEDIATELY VERIFY &
CONSULT TO WITH THE ELECTRICAL ENGINEER. 14. POWER SUPPLY TO THE BUILDING SHALL BE 1PHASE,
230V AC, 2-WIRES + GROUND, 60HZ.
4. ALL LOCATION & MOUNTING HEIGHT ARE SUBJECT TO
APPROVAL OF ELECTRICAL ENGINEER. 15. ALL MATERIALS TO BE USED SHALL BE NEW AND
APPROVED.
5. CONTRACTOR SHALL BE RESPONSIBLE IN THE
PREPARATION OF AS-BUILT PLANS DULY SIGNED AND 16. ALL WIRES SHALL BE COPPER AND THERMOPLASTIC
INSULATED TYPE “THW” AND "THHN" UNLESS OTHERWISE
SEALED BY PROFESSIONAL ELECTRICAL ENGINEER AND
INDICATED IN THE PLAN. THE MINIMUM SIZE OF WIRE FOR
ELECTRONIC AUTOCAD FILES.
POWER AND LIGHTING CIRCUIT HOME RUN SHALL BE 2.0MM2
6. FINAL LIGHTING FIXTURES AND WIRING DEVICES SHALL AND INSULATED FOR 600 VOLTS. SMALLEST RACEWAY SHALL
APPROVED BY ELECTRICAL ENGINEER, REPRESENTATIVE BE 15MMø.
ENGINEER. 17. MOUNTING HEIGHT OF WIRING DEVICES SHALL BE AS
7. CONTRACTOR SHALL BE RESPONSIBLE FOR FOLLOWS:
PREPARATION OF SHOP OR CONSTRUCTION DRAWING A. LIGHT SWITCHES - 1.20m ABOVE FINISH FLOOR
REQUIRED BY OWNER, ARCHITECT AND ENGINEER, THIS B. CONVENIENCE OUTLET - 0.30m ABOVE FINISH FLOOR
INCLUDES DEVICES AND FIXTURES ELEVATION.
C. PANEL BOARD - 1.65m ABOVE FINISH FLOOR
8. CONTRACTOR SHALL VISIT SITE CONDITION AND
D. ABOVE THE COUNTER RECEPTACLE OUTLETS - 0.25m
INCLUDE ALL COST NECESSARY TO COMPLETE THE
ABOVE THE COUNTER
SYSTEM AT NO COST TO OWNER, INCLUDING COST OF
CORING SERVICE AND EXPENSES FOR THE RESTORATION 18. VOLTAGE DROP SHALL BE LIMITED TO 3 FROM SOURCE TO
OF ANY DAMAGE AFFECTED CIVIL ARCHITECTURAL PANEL BOARD AS PEC REQUIREMENT.
FINISHES OR RELOCATION OF EXISTING FACILITIES ON 19. VOLTAGE DROP OF BOTH FEEDER AND BRANCH CIRCUIT
BUILDING. MUST BE LESS THAN OR EQUAL TO 5% OF SUPPLY VOLTAGE.
9. PRIOR TO ORDERING ANY MATERIALS OR DOING ANY 20. USE 14 MM2 FOR THE GROUNDING OF SERVICE ENTRANCE.
WORK, THE CONTRACTOR SHALL VERIFY DIMENSIONS 21. USE FILLER COMPOUND, "SCOTCH FILL" OR APPROVED EQUAL
AT THE SITE AND IMMEDIATELY REPORT ANY AT SHARP EDGES TO PROVIDE SMOOTH SURFACE BEFORE
DISCREPANCIES TO THE ENGINEER. THE CONTRACTOR TAPING WITH ELECTRICAL TAPE.
SHALL NOT PROCEED WITH ANY WORK UNTIL THE 22. ALL CONDUCTORS SHALL BE IDENTIFIED AT ALL PULL BOXES,
ENGINEER RENDERS A DECISION. NO EXTRA CHARGES LOAD CENTERS AND FIXTURES. ALL WIRING DEVICES SHALL
HAVE A TAG ON BACK OF THE COPPERPLATE IDENTIFYING
THE PANEL AND CIRCUIT NUMBER FROM WHICH THEY ARE
FED.
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EE 413 1 Melvin S. Prado
10.00 9.50
3.50 4.5
VERANDA
3.50
LAUNDRY &
2.00
SERVICE KITCHEN
4.80
9.15
1.75
T&B
BEDROOM 2 BEDROOM 3
3.95
7.00
DINING
LIVING
15.00
15.00
15.00
2.20
4.65
T&B
1.85
UP T&B
CORRIDOR
CARPORT DN
2.05
3.10
1.60
MASTER
6.00 BEDROOM FAMILY HALL
PORCH
LAWN
3.15
BALCONY
3.00
2.75
BALCONY
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EE 413 2 Melvin S. Prado
a1
LAWN
LEGEND
SYMBOLS SPECIFICATIONS
a2
2
a2
q
r s LIGHTING
Sa1a2
VERANDA LAYOUT
j
e
1
p t
d
RECESSED
T&B Sd
DINING LIGHT
BEDROOM 2 OUTLET
BEDROOM 3
i h
a a
Shij
p CHANDELIER
t
Sp St
S3 3-WAY
a1 b
UP
LIVING S3
T&B
Su
SWITCH
n
T&B
u
Sn CORRIDOR
CARPORT
Sx
a a
S3 1- GANG
Sabc v
Sfg
g m
DN
SWITCH
S m Svx 3
Sxx
MASTER
a1
c
BEDROOM
2- GANG
SWITCH
PORCH
m
FAMILY HALL
LAWN x x
Skl
Sxxx 3- GANG
f g
SWITCH
BALCONY
l y
BALCONY
PANEL
a1 k
BOARD
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EE 413 3 Melvin S. Prado
LEGEND
SYMBOLS
CONVENIENCE
VERANDA
OUTLET
R
WEATHER
KITCHEN
9
LAUNDRY &
PROOF
WP
WP
SERVICE
GFCI
WP OUTLET
ACU
ACU
GFCI
T&B DINING GFCI OUTLET
BEDROOM 2
BEDROOM 3
REF
RANGE
R OUTLET
UP
REFRIGERATOR
LIVING T&B T&B REF OUTLET
CORRIDOR
CARPORT
ACU
OUTLET
WP
DN
ACU
ACU
MASTER PANEL
BEDROOM
BOARD
FAMILY HALL
PORCH
LAWN
CIRCUIT
HOMERUN
BALCONY
BALCONY
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EE 413 4 Melvin S. Prado
SCHEDULE OF LOADS ONE LINE DIAGRAM
SC H ED U LE O F LO AD S
LOAD CIRCUIT
CIRCUIT NO. DESCRIPTION QUANTITY VOLTS VA AMP NO. OF POLE BREAKER WIRE SIZE CONDUIT SIZE
15 AT 2-2.0mm 2 THHN, SERVICE ENTRANCE U S E : 2 - 2 2 m m ² THW CU WIRE INSIDE
LIGHTING OUTLET 15mm dia. PVC
1 8 230 800 3.48 2 1-2.0 mm 2 TW 230V,1P,3W+G,60Hz 32 mm dia. RMC PIPE
LIGHTING OUTLET 15 AT 2-2.0mm 2 THHN, 15mm dia. PVC
2 7 230 700 3.04 2 1-2.0 mm 2 TW
M KILOWATT HOUR METER
LIGHTING OUTLET 15 AT 2-2.0mm 2 THHN, 15mm dia. PVC
3 8 230 800 3.48 2 1-2.0 mm 2 TW
LIGHTING OUTLET 15 AT 2-2.0mm 2 THHN, 15mm dia. PVC PANEL BOARD
4 8 230 800 3.48 2 1-2.0 mm 2 TW
5 LIGHTING OUTLET 9 230 900 3.91 2 15 AT 2-2.0mm 2 THHN 15mm dia. PVC
CONVENIENCE 2 20 AT 2-3.5mm 2 THHN, 15mm dia. PVC MAIN CIRCUIT
6 6 230 1080 4.70 BREAKER
OUTLET 1-2.0 mm 2 TW
100 AT
CONVENIENCE 2 20 AT 2-3.5mm 2 THHN, 15mm dia. PVC
7 OUTLET 8 230 1440 6.26 1-2.0 mm 2 TW
CONVENIENCE 2 20 AT 2-3.5mm 2 THHN, 15mm dia. PVC
8 OUTLET 7 230 1260 5.48 1-2.0 mm 2 TW 15 A 15 A
WASHING MACHINE 2 20 AT 2-3.5mm 2 THHN, 15mm dia. PVC
9 1 230 1500 6.52 LIGHTING OUTLET C1 C2 LIGHTING OUTLET
OUTLET 1-2.0 mm 2 TW
15 A 15 A
RANGE OUTLET 2 30 AT 2-5.5mm 2 THHN, 15mm dia. PVC
10 1 230 2000 8.70 1-2.0 mm 2 TW LIGHTING OUTLET C3 C4 LIGHTING OUTLET
15 A 20 A
RERFIGERATOR 2 20 AT 2-3.5mm 2 THHN, 15mm dia. PVC
11 OUTLET 1 230 1500 6.52 1-2.0 mm 2 TW LIGHTING OUTLET C5 C6 CONVENIENCE OUTLET
1.5 HP-ACU 2 30 AT 2-5.5mm 2 THHN, 15mm dia. PVC 20 A 20 A
12 OUTLET 1 230 2300 10.00 1-2.0 mm 2 TW
CONVENIENCE OUTLET C7 C8 CONVENIENCE OUTLET
1 HP-ACU OUTLET 2 30 AT 2-5.5mm 2 THHN, 15mm dia. PVC 20 A 30 A
13 1 230 1840 8.00 1-2.0 mm 2 TW
WASHING MACHINE C9 C10 RANGE OUTLET
1 HP-ACU OUTLET 2 30 AT 2-5.5mm 2 THHN, 15mm dia. PVC OUTLET
14 1 230 1840 8.00 1-2.0 mm 2 TW 20 A 30 A
TOTAL 2 100 AT 2-22 mm2 THW, 1-8.0 32mm dia. PVC REFRIDGERATOR OUTLET C11 C12
1.5-HP ACU OUTLET
1 230 18760 81.57 mm2 TW
19 1-HP ACU OUTLET C13 C14
1-HP ACU OUTLET
F O R S IN G L E M A IN F E E D E R -W IR E :
LEGEND GROUND
IT = 25% (10) + 81.57
IT = 84.07 SERVICE ENTRANCE
GROUND
USE: 2-22 mm2 THW COPPER WIRE IN A 32 MM DIA RMC RACEWAY
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EE 413 5 Melvin S. Prado
WIRING ANALYSIS VOLTAGE DROP ANALYSIS SHORT CIRCUIT ANALYSIS
W IR IN G A NALY SIS
V O L T A G E D R O P A N A L Y S IS U S IN G P E C C O M P U T A T IO N
SINGLE DWELLING UNIT, 230 VOLTS SINGLE PHASE
SERVICE ENTRANCE U S E : 2 - 2 2 m m ² THW CU WIRE INSIDE
@ P o in t 1 - V o lta g e D r o p A n a ly s is (fr o m S e r v ic e E n tra n c e to P a n e l B o a rd ) 230V,1P,3W+G,60Hz 32 mm dia. RMC PIPE
A .) G E N E R A L L IG H T IN G A N D C O N V E N IE N C E R E C E P T A C L E LO A D:
U S IN G A R E A M ETH O D Specification for the Main Feeder:
(REFER TO TABLE 2.20.3, PEC 2017)
300 M2 X 24 VA/M2 = 7200 VA
WIRE TYPE AND SIZE: 22 mm² THW copper wire M KILOWATT HOUR METER
I= 4099 VA / 230 V = 17.823 A I = 84.07 A k=2
"P rov id e one 15-am peres , 2-2.0 m m ² T H H N c opper w ire for G eneral Ligh ting " X= 0.060 Ω/305m n=1
"P rov id e one 20-am pe res , 2-3.5 m m ² T H H N c opper w ire for C onv enien c e R ec eptac les " R= 0.31 Ω/ 305m L= 15 m PANEL BOARD
cosθ= 0.8
B .) S M A L L A P P L IA N C E LO AD :
sinθ= 0.6 MAIN CIRCUIT
(REFER TO TABLE 2.10.1.1 (C) (1) AND 2.20.3.13 (A), PEC 2017)
One Refrigerator @ 1500 VA =1500 VA BREAKER
I= 1500 VA / 230 V = 6.52 A VD=(kI(Rcosθ + Xsinθ)(L))/n(305) 100 AT
"P rov id e one 20-am peres , 2-3.5 m m ² T H H N c opper w ire for S m all A ppliances" VD=(2)(84.07)((0.31)(0.8)+(0.060)(0.6))(15)/(1)(305)
VD=2.348 V
VD≈2.35 V
C .) L A U N D R Y CIRCUIT: 15 A 15 A
(REFER TO TABLE 2.10.1.1 (C) (1) AND 2.20.3.13 (B), PEC 2017)
One Washing Machine @ 1500 VA = 1500 VA For VD Percentage: LIGHTING OUTLET C1 C2 LIGHTING OUTLET
%VD=VD/Vx100% 15 A 15 A
I= 1500 VA / 230 V = 6.52 A
"P rov id e one 20-am peres , 2-3.5 m m ² T H H N c opper w ire for W as hin g M achine" %VD=(2.35 V/230V) x100% LIGHTING OUTLET C3 C4 LIGHTING OUTLET
%VD= 1.022 15 A 20 A
D .) C O O K IN G LO A D: %VD≈ 1%
One Range Outlet @ 2KW = 2000 VA LIGHTING OUTLET C5 C6 CONVENIENCE OUTLET
I= 2000 VA / 230 V = 8.70 A 20 A 20 A
"P rov id e one 30-am pe res , 2-5.5 m m ² T H H N c opper w ire for E le c tric R ange O utlet " @ P o in t 2 - V o lta g e D r o p A n a ly s is (fro m P a n e l B o a r d to F a r th e s t C o n v e n ie n c e O u tle t)
CONVENIENCE OUTLET C7 C8 CONVENIENCE OUTLET
20 A 30 A
S UBTO TAL: = 12200 VA Specification for the Circuit 8:
WIRE TYPE AND SIZE: 3.5 mm² THHN copper wire WASHING MACHINE C9 C10 RANGE OUTLET
APPLICATION OF DEMAND FACTORS: (REFER TABLE 2.20.3.3) OUTLET
I = 5.48 A k=2 20 A 30 A
First 10000 VA at 100% Demand Factor = 10000 VA
Remainder at 35% Demand Factor (12200-10000)(0.35) = 770 VA X= 0.068 Ω/305m n=1 REFRIDGERATOR OUTLET C11 C12
1.5-HP ACU OUTLET
R= 2 Ω/ 305m L= 16 m
cosθ= 0.8 1-HP ACU OUTLET
E.) O T H E R LO A D:
1-HP ACU OUTLET C13 C14
sinθ= 0.6
One 1.5 HP room ACU, 10A X 230V at 100% D.F = 2300 VA
I= 2300 VA / 230 V = 10 A (1.5 HP-ACU)
"P rov id e one 30-am peres , 2-5.5 m m ² T H H N c opper w ire for eac h 1.5 H P -A C U "
VD=(kI(Rcosθ + Xsinθ)(L))/n(305)
VD=(2)(5.48)((2)(0.8)+(0.068)(0.6))(16)/(1)(305) GROUND
Two 1 HP room ACU, 8A X 230V at 100% D.F ( 1840 x 2) = 3680 VA VD= 0.943 V
I= 2300 VA / 230 V = 10 A (1.5 HP-ACU) VD≈ 0.9 V
"P rov id e one 30-am peres , 2-5.5 m m ² T H H N c opper w ire for eac h 1 H P -A C U " CO LLECT ED D AT A AN D C OM PUT ATION FO R T HE IM PEDA NCE
((Total Net Computed Load - Highest Motor Load) + (Highest Motor Load)(250%))/ Voltage VD=2.35 V VD=0.9 V Solving for Fault Current ZTR-new
ISC = MVASC /KVnew
CB = ((16750 VA- 2300) + (2300VA)(300%))/230 ISC= 0.53087619019/0.23
CB = 92.826 A ISC = 2.30815734864 kA Z1
USE: 1-100 AMPERE TRIP, 2-POLE, 230-VOLT MOLDED CASE 15 m 16 m INTERRUPTING CAPACITY
I"k = 1.6 x ISC F1
I"k = 1.6 x 2.30815734864
Inv ers e T im e C irc uit B reaker I"k = 3 .69 3 05 17 57 8 2 kA 5 KAIC
((Total Net Computed Load - Highest Motor Load) + (Highest Motor Load)(250%))/ Voltage
CB = ((16750 VA - 2300 VA) + (2300 VA)(250%))/230
CB = 87.826
USE: 1-100 AMPERE TRIP, 2-POLE, 230-VOLT MOLDED CASE
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EE 413 6 Melvin S. Prado