This appendix is informative and not part of the code.
This table is a cross-reference of the ICC International Residential Code, Chapters 33 through 42, and the 2002 National Electrical Code (NFPA 70-2002).
| International Residential Code | National Electrical Code |
|
| CHAPTER 33 | GENERAL REQUIREMENTS | |
| SECTION E3301 | GENERAL | |
| E3301.1 | Applicability | None |
| E3301.2 | Scope | Sections 90.1 and 90.2 |
| E3301.3 | Not covered | Section 90.2 |
| E3301.4 | Additions and alterations | None |
| SECTION E3302 | BUILDING STRUCTURE PROTECTION | |
| E3302.1 | Drilling and notching | None |
| E3302.2 | Penetrations of fire-resistance-rated assemblies | Section 300.21 |
| E3302.3 | Penetrations of firestops and draftstops | Section 300.21 |
| SECTION E3303 | INSPECTION AND APPROVAL | |
| E3303.1 | Approval | Section 110.2 |
| E3303.2 | Inspection required | None |
| E3303.3 | Listing and labeling | Section 110.3 |
| SECTION E3304 | GENERAL EQUIPMENT REQUIREMENTS | |
| E3304.1 | Voltages | Section 110.4 |
| E3304.2 | Interrupting rating | Section 110.9 |
| E3304.3 | Circuit characteristics | Section 110.10 |
| E3304.4 | Protection of equipment | Section 110.11 |
| E3304.5 | Unused openings | Section 110.12(a) |
| E3304.6 | Integrity of electrical equipment | Section 110.12(c) |
| E3304.7 | Mounting | Section 110.13(a) |
| E3304.8 | Energized parts guarded against accidental contact | Section 110.27(a) |
| E3304.9 | Prevent physical damage | Section 110.27(b) |
| E3304.10 | Equipment identification | Section 110.21 |
| E3304.11 | Identification of disconnecting means | Section 110.22 |
| SECTION E3305 | EQUIPMENT LOCATION AND CLEARANCES | |
| E3305.1 | Working space and clearances | Section 110.26 |
| Figure E3305.1 | Working space and clearances | Sections 110.26 |
| Footnote a. | Section 110.26(f) |
|
| Footnote b. | Section 110.26(e) |
|
| Footnote c. | Section 110.26(b) |
|
| Footnote d. | Sections 230.70(a), 240.24(d) and 240.24(e) |
|
| Footnote e. | Section 110.26(d) |
|
| E3305.2 | Working clearances for energized equipment and panelboards | Sections 110.26(a), 110.26(d), and 110.26(f) |
| E3305.3 | Clearances over panelboards | Section 110.26(f)(1)(a) |
| E3305.4 | Location of clear spaces | Sections 110.26(b), 230.70(a) and 240.24 |
| E3305.5 | Access and entrance to working space | Section 110.26(c) |
| E3305.6 | Illumination | Section 110.26(d) |
| E3305.7 | Headroom | Section 110.26(e) |
| SECTION E3306 | ELECTRICAL CONDUCTORS AND CONNECTIONS | |
| E3306.1 | General | Article 110 and Section 310.1 |
| E3306.2 | Conductor material | Section 110.5 |
| E3306.3 | Minimum size of conductors | Section 310.5 |
| E3306.4 | Stranded conductors | Section 310.3 |
| E3306.5 | Individual conductor insulation | Section 310.2(a) and 310.8 |
| E3306.6 | Conductors in parallel | Section 310.4 |
| E3306.7 | Conductors of the same circuit | Section 300.3(b) |
| E3306.8 | Aluminum and copper connections | Section 110.14 |
| E3306.9 | Terminals | Section 110.14(a) |
| E3306.10 | Splices | Section 110.14(b) |
| E3306.10.1 | Continuity | Section 300.13(a) |
| Exception | Section 300.13(a) |
|
| E3306.10.2 | Device connections | Sections 250.148 and 300.13(b) |
| E3306.10.3 | Length of conductor for splice or termination | Section 300.14 |
| SECTION E3307 | CONDUCTOR AND TERMINAL IDENTIFICATION | |
| E3307.1 | Grounded conductors | Sections 200.6(a), 200.6(b) and 310.12(a) |
| E3307.2 | Equipment grounding conductors | Sections 250.119 and 310.12(b) |
| E3307.3 | Ungrounded conductors | Section 310.12(c) |
| Exception | Section 200.7(c)(2) |
|
| E3307.4 | Identification of terminals | Section 200.10 |
| E3307.4.1 | Device terminals | Section 200.10(a) |
| E3307.4.2 | Receptacles, plugs and connectors | Section 200.10(b) |
| E3307.5 | Tag marking | Section 310.11(b)(3) |
| CHAPTER 34 | ELECTRICAL DEFINITIONS | |
| SECTION E3401 | GENERAL | Article 100, Definitions |
| CHAPTER 35 | SERVICES | |
| SECTION 3501 | GENERAL SERVICES | |
| E3501.1 | Scope | Section 230.1 |
| E3501.2 | Number of services | Section 230.2 |
| E3501.3 | One building or other structure not to be supplied through another | Section 230.3 |
| E3501.4 | Other conductors in raceway or cable | Section 230.7 |
| E3501.5 | Raceway seal | Section 230.8 |
| E3501.6 | Service disconnect required | Section 230.70 |
| E3501.6.1 | Marking of service equipment and disconnects | Sections 230.66 and 230.70(b) |
| E3501.6.2 | Service disconnect location | Sections 230.70(a) and 230.72(c) |
| E3501.7 | Maximum number of disconnects | Section 230.71(a) |
| SECTION E3502 | SERVICE SIZE AND RATING | |
| E3502.1 | Rating of ungrounded conductors | Section 230.79(c) and (d) |
| E3502.2 | Service load | Section 220.30 |
| Table E3502.2 | Minimum service load calculation | Table 220.30 |
| E3502.2.1 | Services under 100 amperes | None |
| E3502.3 | Rating of service disconnect | Section 230.79 |
| E3502.4 | Voltage rating | Section 220.30(a) |
| SECTION E3503 | SERVICE, FEEDER AND GROUNDING ELECTRODE CONDUCTOR SIZING | |
| E3503.1 | Grounded and ungrounded service conductor size | 310.15(b)(6) |
| Table E3503.1 | Service conductor and grounding electrode conductor sizing | Table 310.16 and Table 250.66 |
| Footnote a. | Section 250.64(e) |
|
| Footnotes b and c. | Section 250.64(b) |
|
| Footnote d. | Section 250.66(a) and (b) |
|
| E3503.2 | Ungrounded service conductors for accessory buildings and structures | Section 230.42(b) |
| Exceptions 1, 2 and 3 | Section 230.42(b) and 230.79 |
|
| E3503.3 | Overload protection | Section 230.90 |
| E3503.3.1 | Ungrounded conductor | Section 230.90(a) |
| Exception | Section 230.90(a), Exception No. 3 |
|
| E3503.3.2 | Not in grounded conductor | Section 230.90(b) |
| E3503.3.3 | Location | Section 230.91 |
| E3503.4 | Grounding electrode conductor size | Section 250.66 |
| SECTION E3504 | OVERHEAD SERVICE DROP AND SERVICE CONDUCTOR INSTALLATION | |
| E3504.1 | Clearance from building openings | Section 230.9 |
| Figure E3504.1 | Clearances from building openings | Section 230.9 |
| E3504.2 | Vertical clearances | Section 230.24 |
| E3504.2.1 | Above roofs | Section 230.24(a) |
| Exception 1 | Section 230.24(a), Exception No. 1 |
|
| Exception 2 | Section 230.24(a), Exception No. 2 |
|
| Exception 3 | Section 230.24(a), Exception No. 3 |
|
| Exception 4 | Section 230.24(a), Exception No. 4 |
|
| Figure E3504.2.1 | Clearances from roofs | Section 230.24 |
| E3504.2.2 | Vertical clearance from grade | Section 230.24(b) |
| Items 1, 2 and 3 | Section 230.24(b) |
|
| E3504.3 | Point of attachment | Section 230.26 |
| E3504.4 | Means of attachment | Section 230.27 |
| E3504.5 | Service masts as supports | Section 230.28 |
| E3504.6 | Supports over buildings | Section 230.29 |
| SECTION E3505 | SERVICE-ENTRANCE CONDUCTORS | |
| E3505.1 | Insulation of service-entrance conductors | Section 230.41 |
| Exceptions 1 and 2 | Section 230.41, Exception |
|
| E3505.2 | Wiring methods for services | Section 230.43 |
| E3505.3 | Spliced conductors | Section 230.46 |
| E3505.4 | Protection against physical damage | Section 230.49 |
| E3505.5 | Protection of service cables against damage | Section 230.50(a) |
| E3505.6 | Direct sunlight exposure | Section 310.8(D) |
| E3505.7 | Mounting supports | Section 230.51 |
| E3505.8 | Raceways to drain | Section 230.53 |
| E3505.9 | Overhead service locations | Section 230.54 |
| E3505.9.1 | Raintight service head | Section 230.54(a) |
| E3505.9.2 | Service cable, service head or gooseneck | Section 230.54(b) |
| E3505.9.3 | Service head location | Section 230.54(c) |
| Exception | Section 230.54(c), Exception |
|
| E3505.9.4 | Separately bushed openings | Section 230.54(e) |
| E3505.9.5 | Drip loops | Section 230.54(f) |
| E3505.9.6 | Conductor arrangement | Section 230.54(g) |
| E3505.9.7 | Secured | Section 230.54(d) |
| SECTION E3506 | SERVICE EQUIPMENT—GENERAL | |
| E3506.1 | Service equipment enclosures | Section 230.62 |
| E3506.2 | Working space | Section 110.26 |
| E3506.3 | Available short-circuit current | None |
| E3506.4 | Marking | Section 230.66 |
| SECTION E3507 | SYSTEM GROUNDING | |
| E3507.1 | System service ground | Sections 250.20(b)(1) and 250.24(a) |
| E3507.2 | Location of grounding electrode conductor connection | Section 250.24(a)(1) and (a)(5) |
| E3507.3 | Two or more buildings or structures supplied from a common service | 250.32(a) |
| Exception | Section 250.32(a), Exception |
|
| E3507.3.1 | Equipment grounding conductor | Section 250.32(b)(1) and Table 250.122 |
| E3507.3.2 | Grounded conductor. | Section 250.32(b)(2) |
| E3507.4 | Grounding electrode conductor | Section 250.24(c) |
| E3507.5 | Main bonding jumper | Section 250.28 |
| E3507.6 | Common grounding electrode | Section 250.58 |
| SECTION E3508 | GROUNDING ELECTRODE SYSTEM | |
| E3508.1 | Grounding electrode system | Section 250.50 |
| E3508.1.1 | Metal underground water pipe | Section 250.50(a), 250.53(D)(1), 250.53(E) |
| E3508.1.2 | Concrete-encased electrode | Section 250.50(c) |
| E3508.2 | Made and other electrodes | Section 250.52 |
| E3508.2.1 | Rod and pipe electrodes | Section 250.52(c)(1) and (2) |
| E3508.2.2 | Installation | Section 250.52(c)(2) |
| E3508.2.3 | Aluminum electrodes | Section 250.52(b)(1) |
| E3508.3 | Resistance of made electrodes | Section 250.56 |
| E3508.4 | Metal underground gas piping system | Section 250.52(b)(2) |
| SECTION E3509 | BONDING | |
| E3509.1 | General | Section 250.90 |
| E3509.2 | Bonding of service equipment | Section 250.92(a) |
| E3509.3 | Bonding to other systems | Section 250.94 |
| E3509.4 | Method of bonding at the service | Section 250.92(b) |
| E3509.4.1 | Grounded service conductor | Section 250.94(1) |
| E3509.4.2 | Threaded connections | Section 250.94(2) |
| E3509.4.3 | Threadless couplings and connectors | Section 250.94(3) |
| E3509.4.4 | Other devices | Section 250.94(4) |
| E3509.5 | Sizing bonding jumper on supply side of service and main bonding jumper | Section 250.102(c) |
| E3509.6 | Metal water piping bonding | Section 250.104(a) |
| E3509.7 | Bonding other metal piping | Section 250.104(b) |
| SECTION E3510 | GROUNDING ELECTRODE CONDUCTORS | |
| E3510.1 | Installation | Section 250.64(a) and (b) |
| E3510.2 | Enclosures for grounding electrode conductors | Section 250.64(e) |
| SECTION E3511 | GROUNDING ELECTRODE CONDUCTOR CONNECTION TO GROUNDING ELECTRODES | |
| E3511.1 | Methods of grounding connection to electrodes | Section 250.70 |
| E3511.2 | Accessibility | Section 250.68 |
| E3511.3 | Effective grounding path | Section 250.68 |
| E3511.4 | Protection of ground clamps and fittings | Section 250.10 |
| E3511.5 | Clean surfaces | Section 250.12 |
| CHAPTER 36 | BRANCH CIRCUIT AND FEEDER REQUIREMENTS | |
| SECTION E3601 | GENERAL | |
| E3601.1 | Scope | None |
| E3601.2 | Branch-circuit and feeder ampacity | Sections 210.19(A) and 215.2(A)(1) |
| E3601.3 | Selection of ampacity | Section 310.15(A)(2) |
| E3601.4 | Multioutlet branch circuits | Section 210.19(A)(2) |
| E3601.5 | Multiwire branch circuits | Section 210.4 |
| SECTION E3602 | BRANCH CIRCUIT RATINGS | |
| E3602.1 | Branch-circuit voltage limitations | Sections 210.6(A) and (B) |
| E3602.2 | Branch-circuit ampere rating | Section 210.3 |
| E3602.3 | Fifteen- and 20-ampere branch circuits | Section 210.23(A) |
| E3602.4 | Thirty-ampere branch circuits | Section 210.23(b) |
| E3602.5 | Branch circuits serving multiple loads or outlets | Section 210.23(A) |
| E3602.6 | Branch circuits serving a single motor | Section 430.22(A) |
| E3602.7 | Branch circuits serving motor-operated and combination loads | Section 220.4(A) |
| E3602.8 | Branch-circuit inductive lighting loads | Section 220.4(B) |
| E3602.9 | Branch-circuit load for ranges and cooking appliances | Table 220.19, Note 4 |
| E3602.9.1 | Minimum branch circuit for ranges | Section 210.19(A)(3) |
| E3602.10 | Branch circuits serving heating loads | Sections 422.13 and 424.3(A) |
| E3602.11 | Branch circuits for air-conditioning and heat pump equipment | Sections 440.35, 440.4(B), 440.52(A) |
| E3602.12 | Branch circuits serving room air conditioners | Section 440.62(A) |
| E3602.12.1 | Where no other loads are supplied | Section 440.62(B) |
| E3602.12.2 | Where lighting units or other appliances are also supplied | Section 440.62(C) |
| E3602.13 | Branch-circuit requirement—summary | Section 210.24 and 210.25 |
| Table E3602.13 | Branch-circuit requirement—summary | Table 210.24 |
| SECTION E3603 | REQUIRED BRANCH CIRCUITS | |
| E3603.1 | Branch circuits for heating | Section 422.12 Exception |
| E3603.2 | Kitchen and dining area receptacles | Section 210.52(B)(1) |
| E3603.3 | Laundry circuit | Sections 210.23(A), Exception and 210.11(C)(2) |
| E3603.4 | Bathroom branch circuits | Section 210.11(C)(3) |
| E3603.5 | Number of branch circuits | Section 210.11(A) |
| E3603.6 | Branch-circuit load proportioning | Section 210.11(B) |
| SECTION E3604 | FEEDER REQUIREMENTS | |
| E3604.1 | Conductor size | Table 310.15(B)(6), Sections 215.2(A)(3), (A)(4), and 220.10(A) |
| E3604.2 | Minimum feeder conductor size | Section 215.2(A)(2) |
| E3604.3 | Feeder loads | Table 220.11 |
| Table E3604.3(1) | Feeder load calculation | Table 220.11, Table 220.30(C), Sections 220.14, 220.15, 220.17, 220.18 and 220.19 |
| Table E3604.3(2) | Demand loads for electric ranges, wall-mounted ovens, counter-mounted cooking units and other cooking appliances over 13/4 kVA rating | Table 220.19 |
| E3604.4 | Feeder neutral load | Section 220.22 |
| E3604.5 | Lighting and convenience receptacle load | Section 220.3(A), Table 220.3(A) |
| E3604.6 | Ampacity and computed loads | Section 220.10 |
| E3604.7 | Feeder and branch-circuit conductors | Section 240.21(A) |
| SECTION E3605 | CONDUCTOR SIZING AND OVERCURRENT PROTECTION | |
| E3605.1 | General | 310.15(a) |
| Table E3605.1 | Allowable ampacities | Table 310.16 and 240.4(D) |
| E3605.2 | Correction factors for ambient temperatures | Table 310.16 |
| Table E3605.2 | Ambient temperature correction factors | Table 310.16, Correction factors |
| E3605.3 | Adjustment for conductor proximity | Section 310.15(B)(2)(a) |
| Table E3605.3 | Conductor proximity adjustment factors | Table 310.15(B)(2)(a) |
| E3605.4 | Temperature limitations | Section 110.14(C) |
| E3605.4.1 | Conductors rated 60°C. | Section 110.14(C)(1)(a) |
| E3605.4.2 | Conductors rated 75°C. | Section 110.14(C)(b) |
| E3605.4.3 | Separately installed pressure connectors | Section 110.14(C)(2) |
| E3605.4.4 | Conductors of type NM cable | Section 334.8(D) and 334.112 |
| E3605.5 | Overcurrent protection required | Table 310.15(B)(6), Sections 240.4, 240.5, 240.21 |
| E3605.5.1 | Cords | Section 240.5 |
| E3605.5.2 | Overcurrent devices of the next higher size | Section 240.4(B) |
| E3605.5.3 | Small conductors | Section 240.4(D) |
| E3605.5.4 | Air conditioning and heat pump equipment | Section 240.4(G) |
| E3605.6 | Fuses and fixed trip circuit breakers | Section 240.6 |
| E3605.7 | Location of overcurrent devices in or on premises | Section 240.24(A)(C)(D)(E) |
| E3605.8 | Ready access for occupants | Section 240.24(B) |
| E3605.9 | Enclosures for overcurrent devices | Section 240.30(A)(B) |
| SECTION E3606 | PANELBOARDS | |
| E3606.1 | Panelboard rating | Section 408.13 |
| E3606.2 | Panelboard circuit identification | Section 408.4 |
| E3606.3 | Panelboard overcurrent protection | Section 408.16(A) |
| CHAPTER 37 | WIRING METHODS | |
| SECTION E3701 | GENERAL REQUIREMENTS | |
| E3701.1 | Scope | Section 300.1 |
| E3701.2 | Allowable wiring methods | Sections 110.8 and 300.3 |
| Table E3701.2 | Allowable wiring methods | None |
| E3701.3 | Circuit conductors | Section 300.3(B) |
| E3701.4 | Wiring method applications | Chapter 3 and Section 300.2 |
| Table E3701.4 | Allowable applications for wiring methods | Chapter 3 and Section 300.2 |
| SECTION E3702 | ABOVEGROUND INSTALLATION REQUIREMENTS | |
| E3702.1 | Installation and support requirements | Chapter 3 |
| Table E3702.1 | General installation and support requirements for wiring methods | Chapter 3 |
| E3702.2 | Cables in accessible attics | Sections 320.23 and 334.23 |
| E3702.2.1 | Across structural members | Sections 320.23(A) and 334.23 |
| E3702.2.2 | Cable installed parallel to framing members | Sections 320.17, 320.23(A), 334.17 and 334.23 |
| E3702.3 | Exposed cable | Sections 320.15 and 334.15 |
| E3702.3.1 | Surface installation | Section 334.15 |
| E3702.3.2 | Protection from physical damage | Section 334.15(B) |
| E3702.3.3.3 | Location exposed to direct sunlight | Section 310.8(D) |
| E3702.4 | In unfinished basements | Section 334.15(C) |
| E3702.5 | Bends | Sections 320.24 and 334.24 |
| SECTION E3703 | UNDERGROUND INSTALLATION REQUIREMENTS | |
| E3703.1 | Minimum cover requirements | Section 300.5(A) |
| Table E3703.1 | Minimum cover requirements, burial in inches | Table 300.5 |
| E3703.2 | Warning ribbon | Section 300.5(D)(3) |
| E3703.3 | Grounding | Section 300.5(B) |
| E3703.4 | Protection from damage | Section 300.5(D) |
| E3703.5 | Splices and taps | Section 300.5(E) |
| E3703.6 | Backfill | Section 300.5(F) |
| E3703.7 | Raceway seals | Section 300.5(G) |
| E3703.8 | Bushing | Section 300.5(H) |
| E3703.9 | Single conductors | Section 300.5(I) |
| E3703.10 | Ground movement | Section 300.5(J) |
| CHAPTER 38 | POWER AND LIGHTING DISTRIBUTION | |
| SECTION E3801 | RECEPTACLE OUTLETS | |
| E3801.1 | General | Section 210.50 and 210.52 |
| E3801.2 | Convenience receptacle distribution | Section 210.52(A) |
| E3801.2.1 | Spacing | Section 210.52(A)(1) |
| E3801.2.2 | Wall space | Section 210.52(A)(2) |
| E3801.2.3 | Floor receptacles | Section 210.52(A)(3) |
| E3801.3 | Small appliance receptacles | Section 210.52(B) |
| E3801.3.1 | Other outlets prohibited | Section 210.52(B)(2) |
| E3801.3.2 | Limitations | Section 210.52(B)(3) |
| E3801.4 | Countertop receptacles | Section 210.52(C) |
| E3801.4.1 | Wall counter space | Section 210.52(C)(1) |
| E3801.4.2 | Island counter spaces | Section 210.52(C)(2) |
| E3801.4.3 | Peninsular counter space | Section 210.52(C)(3) |
| E3801.4.4 | Separate spaces | Section 210.52(C)(4) |
| E3801.4.5 | Receptacle outlet location | Section 210.52(C)(5) |
| E3801.5 | Appliance outlets | Section 210.50(C) |
| E3801.6 | Bathroom and toilet room | Section 210.52(D) |
| E3801.7 | Outdoor outlets | Section 210.52(E) |
| E3801.8 | Laundry areas | Section 210.52(F) |
| E3801.9 | Basements and garages | Section 210.52(G) |
| E3801.10 | Hallways | Section 210.52(H) |
| E3801.11 | HVAC outlet | Section 210.63 |
| SECTION E3802 | GROUND-FAULT AND ARC-FAULT CIRCUIT-INTERRUPTER PROTECTION | |
| E3802.1 | Bathroom receptacles | Section 210.8(A)(1) |
| E3802.2 | Garage receptacles | Section 210.8(A)(2) |
| E3802.3 | Outdoor receptacles | Section 210.8(A)(3) |
| E3802.4 | Crawl space receptacles | Section 210.8(A)(4) |
| E3802.5 | Unfinished basement receptacles | Section 210.8(A)(5) |
| E3802.6 | Kitchen receptacles | Section 210.8(A)(6) |
| E3802.7 | Bar sink receptacles | Section 210.8(A)(7) |
| E3802.8 | Boathouse receptacles | Section 210.8(A)(8) |
| E3802.9 | Electrically heated floors | Section 424.44(G) |
| E3802.10 | Exempt receptacles | Section 210.8(A)(2) |
| E3802.11 | Bedroom outlets | Section 210.12(B) |
| SECTION E3803 | LIGHTING OUTLETS | |
| E3803.1 | General | Section 210.70(A) |
| E3803.2 | Habitable rooms | Section 210.70(A)(1) |
| E3803.3 | Additional locations | Section 210.70(A)(2) |
| E3803.4 | Storage or equipment spaces | Section 210.70(A)(3) |
| SECTION E3804 | GENERAL INSTALLATION REQUIREMENTS | |
| E3804.1 | Electrical continuity of metal raceways and enclosures | Section 300.10 |
| E3804.2 | Mechanical continuity—raceways and cables | Section 300.12 |
| E3804.3 | Securing and supporting | Section 300.11(A) |
| E3804.4 | Raceways as means of support | Section 300.11(B) |
| E3804.5 | Raceway installations | Section 300.18 |
| E3804.6 | Conduit and tubing fill | Section 300.17 and Chapter 9, Table 1 |
| Tables E3804.6(1)-E3804.6(10) | Maximum number of conductors in conduit or tubing | Section 300.17 and Chapter 9, Table 1, Note 1 |
| E3804.7 | Air handling—stud cavity and joist spaces | Section 300.22(C), Exception |
| SECTION E3805 | BOXES, CONDUIT BODIES AND FITTINGS | |
| E3805.1 | Box, conduit body or fitting—where required | Section 300.15 |
| E3805.1.1 | Equipment | Section 300.15(B) |
| E3805.1.2 | Protection | Section 300.15(C) |
| E3805.1.3 | Integral enclosure | Section 300.15(E) |
| E3805.1.4 | Fitting | Section 300.15(F) |
| E3805.1.5 | Buried conductors | Section 300.15(G) |
| E3805.1.6 | Fixtures | Section 300.15(J) |
| E3805.1.7 | Closed loop | Section 300.15(M) |
| E3805.2 | Metal boxes | Section 314.4 |
| E3805.3 | Nonmetallic boxes | Section 314.3 |
| E3805.3.1 | Nonmetallic-sheathed cable and nonmetallic boxes | Section 314.17(C) |
| E3805.3.2 | Securing to box | Section 314.17(C) |
| E3805.3.3 | Conductor rating | Section 314.17(C) |
| E3805.4 | Minimum depth of outlet boxes | Section 314.24 |
| E3805.5 | Boxes enclosing flush-mounted devices | Section 314.19 |
| E3805.6 | Boxes at luminaire (lighting fixture) outlets | Section 314.27(A) |
| E3805.7 | Maximum luminaire (fixture) weight | Section 314.27(B) |
| E3805.8 | Floor boxes | Section 314.27(C) |
| E3805.9 | Boxes at fan outlets | Section 314.27(C) |
| E3805.10 | Conduit bodies, junction, pull and outlet boxes to be accessible | Section 314.29 |
| E3805.11 | Damp or wet locations | Section 314.15(A) |
| E3805.12 | Number of conductors in outlet, device, and junction boxes, and conduit boxes | Section 314.16 |
| E3805.12.1 | Box volume calculations | Section 314.16(A) |
| Table E3805.12.1 | Maximum number of conductors in metal boxes | Table 314.16 |
| E3805.12.1.1 | Standard boxes | Section 314.16(A) |
| E3805.12.1.2 | Other boxes | Section 314.16(A)(2) |
| E3805.12.2 | Box fill calculations | Section 14.16(B) |
| E3805.12.2.1 | Conductor fill | Section 314.16(B)(1), Table 314.16 |
| Table E3805.12.2.1 | Volume allowance required per conductor | Table 314.16 |
| E3805.12.2.2 | Clamp fill | Section 314.16(B)(2) |
| E3805.12.2.3 | Support fittings fill | Section 314.16(B)(3) |
| E3805.12.2.4 | Device or equipment fill | Section 314.16(B)(4) |
| E3805.12.2.5 | Equipment grounding conductor fill | Section 314.16(B)(5) |
| E3805.12.3 | Conduit bodies | Section 314.16(C) |
| E3805.12.3.1 | Splices, taps or devices | Section 314.16(C)(2) |
| SECTION E3806 | INSTALLATION OF BOXES, CONDUIT BODIES AND FITTINGS | |
| E3806.1 | Conductors entering boxes, conduit bodies or fittings | Section 314.17 |
| E3806.1.1 | Insulated fittings | Section 300.4(F) |
| E3806.2 | Openings | Section 314.17(A), 110.12(A) |
| E3806.3 | Metal boxes, conduit bodies and fittings | Section 314.17, 314.17(B) |
| E3806.4 | Unused openings | Section 314.17, 110.12(A) |
| E3806.5 | In wall or ceiling | Section 314.20 |
| E3806.6 | Plaster, gypsum board and plasterboard | Section 314.21 |
| E3806.7 | Exposed surface extensions | Section 314.22 |
| E3806.8 | Supports | Section 314.23 |
| E3806.8.1 | Surface mounting | Section 314.23(A) |
| E3806.8.2 | Structural mounting | Section 314.23(B) |
| E3806.8.2.1 | Nails | Section 314.23(B)(1) |
| E3806.8.2.2 | Braces | Section 314.23(B)(2) |
| E3806.8.3 | Mounting in finished surfaces | Section 314.23(C) |
| E3806.8.4 | Raceway supported enclosures without devices or fixtures | Section 314.23(E) |
| E3806.8.5 | Raceway supported enclosures, with devices or fixtures | Section 314.23(F) |
| E3806.8.6 | Enclosures in concrete or masonry | Section 314.23(G) |
| E3806.9 | Covers and canopies | Section 314.25 |
| E3806.10 | Metal covers and plates | Section 314.25(A) |
| E3806.11 | Exposed combustible finish | Section 314.25(B) |
| SECTION E3807 | CABINETS AND PANELBOARDS | |
| E3807.1 | Enclosures for switches or overcurrent devices | Section 312.8 |
| E3807.2 | Damp or wet locations | Section 312.2(A) |
| E3807.3 | Position in wall | Section 312.3 |
| E3807.4 | Unused openings | Section 312.5(A), 110.12(A) |
| E3807.5 | Conductors entering cabinets | Sections 300.4(F) and 312.5(B) |
| E3807.6 | Openings to be closed | Section 312.5(A) |
| E3807.7 | Cables | Section 312.5(B) |
| SECTION E3808 | GROUNDING | |
| E3808.1 | Metal enclosures | Section 250.86, 250.110(1) |
| E3808.2 | Equipment fastened in place or connected by permanent wiring methods (fixed) | Section 250.110(I) |
| E3808.3 | Specific equipment fastened in place or connected by permanent wiring methods | Section 250.112(J), (L) |
| E3808.4 | Performance of fault current path | Section 250.4(A)(5) |
| E3808.5 | Earth as a grounding conductor | Section 250.4(A)(5) |
| E3808.6 | Load-side neutral | Section 250.142(B) |
| E3808.7 | Load-side equipment | Section 250.142(B) |
| E3808.8 | Types of equipment grounding conductors | Section 250.118 |
| E3808.8.1 | Flexible metal conduit | Section 250.118(6) |
| E3808.8.2 | Liquidtight flexible metal conduit | Section 250.118(7) |
| E3808.8.3 | Nonmetallic sheathed cable (Type NM) | Section 334.10(B) |
| E3808.9 | Equipment fastened in place or connected by permanent wiring methods | Section 250.134 |
| E3808.10 | Methods of equipment grounding | Section 250 Part (VII) |
| E3808.11 | Equipment grounding conductor installation | Section 250.120 |
| E3808.12 | Equipment grounding conductor size | Section 250.122 |
| Table E3808.12 | Equipment grounding conductor sizing | Table 250.122 |
| E3808.12.1 | Multiple circuits | Section 250.122(C) |
| E3808.13 | Continuity and attachment of branch-circuit equipment grounding conductors to boxes | Section 250.148 |
| E3808.14 | Connecting receptacle grounding terminal to box | Section 250.146 |
| E3808.15 | Metal boxes | Section 250.148(A) |
| E3808.16 | Nonmetallic boxes | Section 250.148(B) |
| E3808.17 | Clean surfaces | Section 250.12 |
| E3808.18 | Bonding other enclosures | Section 250.96(A) |
| E3808.19 | Size of equipment bonding jumper on load side of service | Section 250.102(D) |
| E3808.20 | Installation—equipment bonding jumper | Section 250.102(E) |
| SECTION E3809 | FLEXIBLE CORDS | |
| E3809.1 | Where permitted | Sections 400.7 and 400.8 |
| E3809.2 | Loading and protection | Section 400.5 |
| Table E3809.2 | Maximum ampere load and overcurrent-protection-device rating for flexible cords | Section 240.4, Tables 400.5(A) and 240.5(B)(1) |
| E3809.3 | Splices | Section 400.9 |
| E3809.4 | Attachment plugs | Section 400.7(B) |
| CHAPTER 39 | DEVICES AND LIGHTING FIXTURES | |
| SECTION E3901 | SWITCHES | |
| E3901.1 | Rating and application of snap switches | Section 404.14(A) |
| E3901.2 | CO/ALR snap switches | Section 404.14(C) |
| E3901.3 | Indicating | Section 404.7 |
| E3901.4 | Time switches and similar devices | Section 404.5 |
| E3901.5 | Grounding of enclosures | Section 404.12 |
| E3901.6 | Access | Section 404.4 |
| E3901.7 | Wet locations | Section 404.8 |
| E3901.8 | Grounded conductors | Section 404.2(B) |
| E3901.9 | Switch connections | Section 404.2(A) |
| E3901.10 | Box mounted | Section 404.10(B) |
| E3901.11 | Snap switch faceplates | Section 404.9(A) |
| E3901.11.1 | Faceplate grounding | Section 404.9(B) |
| SECTION E3902 | RECEPTACLES | |
| E3902.1 | Rating and type | Section 406.2(A), (B) |
| E3902.1.1 | Single receptacle | Section 210.21(B)(1) |
| E3902.1.2 | Two or more receptacles | Section 210.21(B)(3) |
| Table E3902.1.2 | Receptacle ratings for various size multioutlet circuits | Section 210.21 |
| E3902.2 | Grounding type | Section 406.3(A) |
| E3902.3 | CO/ALR receptacles | Section 406.2(C) |
| E3902.4 | Faceplates | Section 406.5(B) |
| E3902.5 | Position of receptacle faces | Section 406.4(D) |
| E3902.6 | Receptacles mounted in boxes | Sections 406.4, 406.4(A), 406.5 |
| E3902.7 | Receptacles mounted on covers | Section 406.4(C) |
| E3902.8 | Damp locations | Section 406.8(A) |
| E3902.9 | Wet locations | Section 406.8(B) |
| E3902.10 | Bathtub and shower space | Section 406.8(C) |
| E3902.11 | Flush mounting with faceplate | Section 406.8(E) |
| E3902.12 | Outdoor installation | Section 406.8 |
| SECTION E3903 | FIXTURES | |
| E3903.1 | Energized parts | Section 410.3 |
| E3903.2 | Fixtures near combustible material | Section 410.5 |
| E3903.3 | Exposed conductive parts | Section 410.18(A) |
| E3903.4 | Screw-shell type | Section 410.47 |
| E3903.5 | Recessed incandescent fixtures | Section 410.65(C) |
| E3903.6 | Thermal protection | Section 410.73(E) |
| E3903.7 | High-intensity discharge fixtures | Section 410.73(F) |
| E3903.8 | Wet or damp locations | Section 410.4(A) |
| E3903.9 | Lampholders in wet or damp locations | Section 410.49 |
| E3903.10 | Pendants | Section 410.4(D) |
| E3903.11 | Fixtures in clothes closets | Section 410.8(A) |
| Figure E3903.11 | Closet storage space | Figure 410.8 |
| E3903.12 | Fixture wiring—general | Section 410.22 |
| E3903.12.1 | Polarization of fixtures | Section 410.23 |
| E3903.12.2 | Fixtures as raceways | Section 410.31 |
| SECTION E3904 | FIXTURE INSTALLATION | |
| E3904.1 | Outlet box covers | Section 410.12 |
| E3904.2 | Combustible material at outlet boxes | Section 410.13 |
| E3904.3 | Access | Section 410.16(B) |
| E3904.4 | Supports | Section 410.15(A) |
| E3904.5 | Means of support | Sections 410.16, 314.27(B), 410.15(A) |
| E3904.6 | Exposed ballasts | Section 410.76(A) |
| E3904.7 | Combustible low-density cellulose fiberboard | Section 410.76(B) |
| E3904.8 | Recessed fixture clearance | Section 410.66(A)(1), (A)(2) |
| E3904.9 | Recessed fixture installation | Section 410.66(B) |
| SECTION E3905 | TRACK LIGHTING | |
| E3905.1 | Installation | Section 410.101(A) |
| E3905.2 | Connected load | Section 410.101(B) |
| E3905.3 | Locations not permitted | Section 410.101(C) |
| E3905.4 | Support | Section 410.101(D) |
| E3905.5 | Fastening | Section 410.104 |
| E3905.6 | Grounding | Section 410.105(B) |
| CHAPTER 40 | APPLIANCE INSTALLATION | |
| SECTION E4001 | GENERAL | |
| E4001.1 | Scope | Sections 422.1 and 424.1 |
| E4001.2 | Installation | Sections 110.3(B) and 422.17 |
| E4001.3 | Flexible cords | Section 422.16 |
| Table E4001.3 | Flexible cord length | Sections 422.16(B)(1) and (2) |
| E4001.4 | Overcurrent protection | Section 422.11 |
| E4001.4.1 | Single motor-operated appliance | Section 422.11(E) |
| E4001.5 | Disconnecting means | Sections 422.30, 422.35 and 424.19 |
| Table E4001.5 | Disconnecting means | Sections 422.31(A), (B), 422.35, 424.19, 424.20, and 440.14 |
| E4001.6 | Ceiling fans | Section 422.18 |
| E4001.7 | Snow-melting and deicing equipment protection | Section 210.8(a)(3) Exception and 426.28 |
| CHAPTER 41 | SWIMMING POOLS | |
| SECTION E4101 | GENERAL | |
| E4101.1 | Scope | Section 680.1 |
| E4101.2 | Definitions | Section 680.2 |
| SECTION E4102 | WIRING METHODS FOR POOLS, SPAS, HOT TUBS AND HYDROMASSAGE BATHTUBS | |
| E4102.1 | General | Sections 608.7, 680.23(B), 680.21(C), 680.23(F), 680.21(A), 680.40, 680.42 and 680.43 |
| E4102.2 | Flexible cords | Sections 680.22(B)(5), 680.7(A), (B), 680.42 and 680.21(F)(1) |
| SECTION E4103 | EQUIPMENT LOCATION AND CLEARANCES | |
| E4103.1 | Receptacle outlets | Section 680.22(A)(6) |
| E4103.1.1 | Location | Section 680.22(A)(1) |
| E4103.1.2 | Where required | Section 680.22(A)(3) |
| E4103.1.3 | GFCI protection | Section 680.22(A)(5) |
| E4103.1.4 | Indoor locations | Section 680.43(A) and (A)(1) |
| E4103.1.5 | Indoor GFCI protection | Sections 680.43(A)(2), 680.71 |
| E4103.2 | Switching devices | Sections 680.22(C), 680.43(C), 680.72 |
| E4103.3 | Disconnecting means | Section 680.12 |
| E4103.4 | Luminaires and ceiling fans | Section 680.22(B) |
| E4103.4.1 | Outdoor location | Section 680.22(B) |
| E4103.4.2 | Indoor location | Section 680.22(B)(2) |
| E4103.4.3 | Existing lighting outlets and luminaires | 680.22(B)(3) |
| E4103.4.4 | Indoor spas and hot tubs | Section 680.43(B) |
| E4103.4.5 | GFCI protection | Section 680.22(B)(4) |
| E4103.5 | Overhead conductor clearances | Section 680.8 |
| Table E4103.5 | Overhead conductor clearances | Table 680.8 |
| Figure E4103.5 | Overhead conductor clearances | Figure 680.8 |
| E4103.6 | Underground wiring | Section 680.10 |
| Table E4103.6 | Minimum burial depths | Section 680.10 |
| SECTION E4104 | BONDING | |
| E4104.1 | Bonded Parts | Sections 680.26(B), 680.42(B) and 680.43(D)(4) |
| E4104.2 | Parts not required to be bonded | Sections 680.42(B) and 680.43(D)(4) Exception |
| E4104.3 | Methods of bonding | Sections 680.26(B)(4), 680.26(C), 680.42(B) and 680.43(E) |
| SECTION E4105 | GROUNDING | |
| E4105.1 | Equipment to be grounded | Section 680.26 |
| E4105.2 | Luminaires | Section 680.23(F)(1), (2) |
| E4105.3 | Nonmetallic conduit | Section 680.23(B)(1), 680.23(B)(2)(b) |
| E4105.4 | Flexible cords | Section 680.23(B)(3) |
| E4105.5 | Motors | Section 680.21(A)(1) |
| E4105.6 | Panelboards | Section 680.25(B), (B)(1) |
| E4105.7 | Cord-connected equipment | |

