Chapter
Soru/Konu Tipi
Article/Section
Definition of Terms
Article 100
General Installation Requirements
Article 110
Working Space Around Equipment
110.26
Panel ve equipment clearance
Identification of Equipment
110.22, 110.21
Marking, labeling, field marking
Electrical Connections
110.14
Wire terminations, tightening
Voltage Ratings
110.4
Equipment voltage
requirements
Arc-Flash Labeling
110.16
Arc-flash hazard labeling
Disconnect Means
110.25
Emergency disconnects
CHAPTER
2
Grounded Conductor Identification
Article 200
White or gray conductor use
CHAPTER
2
Branch Circuits
Article 210
Outlet Spacing (Rooms, Kitchen, Bath)
210.52, 210.60
GFCI Protection
210.8
AFCI Protection
210.12
Feeder Circuits
Article 215
Load Calculations
Article 220
Service Entrance Requirements
Article 230
Overcurrent Protection (Breakers)
Article 240
Overvoltage Protection (Surge)
Article 242
Grounding & Bonding
Article 250
CHAPTER
1
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1
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1
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1
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1
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1
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1
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1
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2
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2
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2
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2
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2
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2
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2
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2
CHAPTER
2
Açıklama/Not
NEC’deki tüm elektriksel
terimlerin tanımları
Installation, working space,
access, labeling
Branch circuit types,
requirements, outlets,
GFCI/AFCI
Outlets per room, small
appliance, countertop
Wet/damp locations,
bathrooms, kitchens
Bedrooms, living areas
Feeder size, protection,
calculations
Branch/feeder/service load,
demand factors
Service disconnect, clearances,
cable types
Breaker/fuse sizing, types,
location
Surge protection device
requirements
Electrode, system, equipment,
bonding jumpers, rods, etc.
CHAPTER
3
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3
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3
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3
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3
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3
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3
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3
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4
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4
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4
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4
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4
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4
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4
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4
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4
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4
CHAPTER
4
General Wiring Rules
Article 300
Protection, routing, supports
Underground Wiring, Burial Depth
Table 300.5
Conductor Ampacity
Article 310, Table 310.16
Box Fill Calculations
Article 314, 314.16
Cable Types (NM, MC, AC, etc.)
Articles 320–392
Conduit Types (EMT, PVC, etc.)
Articles 342–362
Cable Tray Requirements
Article 392
Tray fill, support, grounding
Flexible Cords & Uses
Article 400
Where allowed/prohibited,
ampacity
Receptacle and Switch Requirements
Articles 404, 406
Switch types, receptacle
location, tamper-resistant
Panelboards and Switchboards
Article 408
Panel types, directory, access
Lighting/Luminaires
Article 410
Fixture types, supports,
minimum heights
Low-Voltage Lighting
Article 411
Landscape and accent lighting
Appliances
Article 422
Fixed, portable, disconnects
Heating Equipment
Articles 424–427
Floor, pipe, vessel heating
Motors and Motor Circuits
Article 430, Table
430.248
Sizing, overload, conductor,
protection
A/C & Refrigeration
Article 440
Disconnects, wire sizing, fusing
Generators
Article 445
Sizing, grounding, transfer
Transformers
Article 450
Vaults, ventilation, secondary
protection
Storage Batteries
Article 480
Installation, ventilation
Minimum cover for cables and
raceways
Allowable ampacities,
correction factors
Box sizing, maximum conductor
fill
Cable specs, use-cases,
installation
Where/when/how to use each
conduit
CHAPTER
5
CHAPTER
5
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5
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5
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5
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5
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5
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5
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5
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5
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5
CHAPTER
5
Hazardous Locations (General)
Article 500
Classification, wiring methods
Class I (flammable gases)
Article 501
Division/Zone systems
Class II (dust)
Article 502
Division/Zone systems
Class III (fibers/flyings)
Article 503
Special wiring
Zone 0/1/2 Locations
Article 505
European-style hazardous
locations
Commercial Garages
Article 511
Wiring, disconnect, ventilation
Motor Fuel Dispensing Facilities
Article 514
Locations of devices, wiring
Health Care Facilities
Article 517
Assembly Occupancies
Article 518
Agricultural Buildings
Article 547
Marinas and Boatyards
Article 555
Power pedestals, GFCI
Temporary Installations
Article 590
Construction, fairs, temporary
services
Patient rooms, grounding,
emergency power
Churches, theaters, public
gathering places
Animal housing, corrosion
protection
CHAPTER
6
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6
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6
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6
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6
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6
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6
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6
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6
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6
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6
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6
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6
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6
CHAPTER
6
Electric Signs and Outline Lighting
Article 600
Neon, LED, mounting,
disconnects
Elevators/Escalators/Lifts
Article 620
Power, cabling, disconnects
EV Charging Systems
Article 625
Outlet type, signage, load
calculation
Welders
Article 630
Sizing, disconnect, ventilation
IT Equipment Rooms
Article 645
Wiring, emergency power
Modular Data Centers
Article 646
Pre-assembled modules
Sensitive Electronic Equipment
Article 647
Isolated grounding, voltage
regulation
X-Ray Equipment
Article 660
Power, protection
Industrial Machinery
Article 670
Disconnects, conductor sizing
Pools, Fountains, Similar
Article 680
Solar PV Systems
Article 690
Fuel Cell Systems
Article 692
Standalone, wiring, disconnect
Wind Systems
Article 694
Sizing, grounding, overcurrent
Fire Pumps
Article 695
Dedicated circuit, emergency
power
Emergency Systems
Article 700
Separate wiring, transfer switch
Bonding, equipotential, GFCI,
wiring methods
String inverters, rapid
shutdown, wiring
CHAPTER
7
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7
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7
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7
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7
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7
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7
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7
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7
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7
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7
CHAPTER
8
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8
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8
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8
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8
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8
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9
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9
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9
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9
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9
CHAPTER
9
Emergency Systems
Article 700
Generator, transfer, battery
backup
Legally Required Standby Systems
Article 701
Code-mandated standby power
Optional Standby Systems
Article 702
Interconnected Power Sources
Article 705
Energy Storage Systems
Article 706
Batteries, flywheels, safety
Critical Operations Power
Article 708
Essential facilities, hospitals,
911, etc.
Stand-Alone Power Systems
Article 710
Off-grid solar, wind, microgrid
Low Voltage (<50V) Circuits
Article 720
Bell, security, controls
Remote-Control & Power-Limited Circuits
Article 725
Fire alarm, thermostat, security
Fire-Resistive Cables
Article 728
2-hour fire-rated circuits
Energy Management Systems
Article 750
Lighting control, load
management
Communication Circuits
Article 800
Radio/TV Equipment
Article 810
CATV Systems
Article 820
Network Broadband
Article 830
Data, fiber, coaxial
Premises Broadband
Article 840
Building-wide broadband
systems
Fire Alarm Circuits
Article 760
Power-limited/fire alarm wiring
Conduit Fill
Table 1, 4
Maximum wires per raceway
Minimum Raceway Size
Table 4
For various cable types
Wire Properties
Table 8
Dimensions, Areas
Table 5, 9
Grounding Electrode Conductor
Table 250.66
Sizing per system
Ampacity Correction Factors
Table 310.15(B)
Ambient temp, # of conductors
adjustments
Owner’s choice, not codemandated
Utility + onsite solar, battery,
generator
Phone, intercom, low voltage
signal
Antennas, cabling, lightning
protection
Cable TV wiring, bonding,
protection
Resistance, reactance,
conductance
Trade size vs. actual, square
mm/inch