2014 NEC Code Change Course Outline

 

In column 3 type of change is denoted by: R for Revision, N  for New, and D for Deletion..

 

Test.Question

Article/Section

Type

Topic Description

Test 1

 

 

 

1.1

Code Wide

N

Four new Articles

1.2

Article 393

N

Circuit type above suspended ceiling

1.3

Article 646

N

Modular Data Centers

1.4

Article 728

N

Listing and non  interchangeability required

1.5

Article 750

N

Energy Management System cannot shutdown fire pumps

1.6

110.16

R

Warning for arc flash protection on panelboards

1.7

310.15(B)(3)(c)

R

Cables on roof tops exposed to the sun

1.8

310.15(B)(3)(c)

R

XHHW-2 exempt from roof top derating

1.9

310.15(B)(3)(a)

R

Conductors not simultaneously energized may not require derating

1.10

310.15(H)(2)

R

Parallel conductors in wireways shall be grouped

Test 2

 

 

 

2.1

210.5(C)(2)

N

Identification of DC conductors in systems over 50 volts

2.2

210.8(A)(7)

R

GFCI protection for receptacles near dwelling unit sinks

2.3

210.8(A)(9)

N

Receptacles within 6 ft. of shower require GFCI protection

2.4

210.8(A)(10)

N

Receptacles in dwelling unit laundry areas require GFCI protection

2.5

210.8(B)(8)

R

All non dwelling garage receptacles require GFCI protection

2.6

210.8(D)

N

Kitchen dishwasher outlets require GFCI protection

2.7

210.12

N

AFCI circuit interrupters shall be readily accessible

2.8

210.12(A)

R

AFCI protect requirements expanded to kitchens and laundry areas.

2.9

210.12(A)(1) through (6) R 6 methods given for protecting AFCI circuit.

2.10

210.12(A)(2)

N

Use of listed branch/feeder type AFCI

Test 3

 

 

 

3.1

210.12(A)(3)

N

Use of listed supplemental arc protection circuit breaker with branch circuit  type AFCI with No. 12 AWG conductor

3.2

210.12(A)(4)

N

Use of combination type AFCI with No. 14 AWG conductor

3.3

210.12(A)(5)

R

Use of branch-circuit type AFCI device with metal raceways

3.4

210.12(A)(6)

N

Use of listed branch circuit type AFCI with NM conduit or type MC cable encased in 2 inches of concrete.

3.5

210.12(B) Ex

N

Exception for required AFCI protection for extensions to existing installations

3.6

210.12(C)

N

AFCI required for 15 and 20 ampere Dormitory Outlets.

3.7

210.13

N

GFP protection for large installations modified.

3.8

210.17

N

Electric vehicle branch circuit is required to be an individual branch circuit

3.9

210.52(E)(3)

R

Maximum height distance for required receptacle at balcony, deck, or porch is 6 ft.

3.10

210.52(G) N For dwelling unit garages receptacle required for each car space

Test 4

 

 

 

4.1

210.64

N

Receptacle required within 50 ft. of nondwelling unit services.

4.2

220.12

N

Exception for calculating building lighting load when energy code is complied to

4.3

230.30

N

List of wiring methods for underground service conductor is addressed

4.4

230.44

R/N

Labeling of cable trays for service entrance conductors

4.5

230.82(3)

N

Meter disconnect on supply side of service rules

4.6

240.21(B)(1)(1)(1)b exception

R

Feeder taps for specific equipment is addressed

4.7

250.8

 R

Method of connecting grounding conductors defined

4.8

250.21(C)

N

Burial depth of grounding electrode conductor addressed

4.9

250.64(B)

N

Use of cable trays for service entrance conductors

4.10

250.64(D)(1)

R

Size of copper bus bar used to connect multiple grounding electrode conductors addressed

Test 5

 

 

 

5.1

250.66(A) and (B)

R

Sole connection to grounding electrodes maximum size

5.2

250.66(A)

N

Sole connection to concrete encased electrodes maximum size and copper material

5.3

250.68(C)

N

Use of above ground metal frame of a building or structure as an grounding electrode conductor

5.4

250.68(C)(3)

N

Concrete encased rebar as grounding electrode and accessibility

5.5

250.102(C))

N

New Table for sizing supply side bonding conductors

5.6

250.122

R

Only wire type grounding conductors are required to be increased in size proportionately when ungrounded conductors are increased in size

5.7

210.130(C)(4)

N

Equipment grounding conductor extensions for existing installations

5.8

250.166

N

Sizing DC grounding electrode conductors

5.9

250.167

R

Ground fault detection systems for ungrounded DC systems

5.10

250.194

N

Grounding of substation metal fences

Test 6

 

 

 

6.1

250.194

N

Grounding of substation metal fences

6.2

250.194

N

Grounding of substation metal fences

6.3

250.194

N

Grounding of substation metal fences

6.4

250.194

N Grounding of substation metal fences

6.5

285.13

N

Type 4 type surge protectors

6.6

300.6(A)

N

Corrosion protection for field cut threads

6.7

300.22(C)(1)

R

Cable ties and other nonmetallic accessories used in spaces for environmental shall be listed for low smoke and heat release properties

6.8

300.38

N

Inside of raceways in wet location is a wet location for over 1000 volts

6.9

310.15(B)(7)

N

Use of 83 percent demand factor for dwelling unit services

6.10

314.15 N Weep holes permitted

Test 7

     

7.1

314.15

R

Listing required for all outlet box hoods used in wet locations

7.2

314.23(B)

R

Types of structural mounting of enclosures

7.3

314.25

R

Use of proper hardware for mounting covers, canopies, and receptacles

7.4

314.27(A)(1)

R

Marking of boxes for maximum weight of luminaire that can be used when mounted on a vertical surface

7.5

314.27(a)(2)

R

Marking of boxes for maximum weight of luminaire that can be used when mounted on the ceiling

7.6

330.30

N

Securing and supporting of type MC cable for vertical installations

7.7

330.30

N

Securing and supporting of type MC cable when used where flexibility is required

7.8

334.40(B)

R

Use of nonmetallic sheathed-cable interconnectors in concealed spaces.

7.9

348.30(A), 350.30(A)

356.30(A)

R

Support for FMC, LFMC, and LFNC when used with luminaires in an accessible ceiling

7.10

350.42

N

Caution about not using PVC fittings with LFMC

Test 8

     

8.1

356.12

D

LFNC is no longer limited to 600 volts and below

8.2

376.22(B)

R

Ampacity adjustment factors only apply to metallic wireway if there over 30 current carrying conductors at any one cross section

8.3

376.56

N

Power distribution blocks on line side of service shall be listed

8.4

392.18(H)

N

Exception for marking cable trays for over 600 volt conductors where not accessible

8.5

400.4

R

Permission given to use cables not in Table 400.4 if approved by the AHJ.

8.6

400.5(A)

R

Use 90 degree column in Table 310.15(B)(2)(a) for derating 105 degree C. cables

8.7

400.6(A)

N

Flexible cords and cables are required to be marked with their maximum operating temperature

8.8

400.7(A)(11)

N

Permission given to install flexible cords between existing receptacle outlet and inlet for listed assemblies

8.9

404.2(C)

N

Grounded conductor required at switch locations with two exceptions

8.10

404.2(C)

N

Grounded conductor required at switch locations with two exceptions

Test 9

 

 

 

9.1

404.8(C)

D

General use multipole snap switches not permitted to be used on more than one single circuit unless listed for this application

9.2

406.3(E)

N

Controlled Receptacle Marking requirements

9.3

406.4

N

AFCI and GFCI type receptacles are required to be readily accessible

9.4

406.4(D)

N

Replacement AFCI and GFCI type receptacles are required to be readily accessible

9.5

406.5(E)

R

Receptacles cannot be installed in face up position on counter tops and similar surfaces

9.6

406.5(F)

N

Receptacles cannot be installed in face up position in seating areas

9.7

406.9(B(1)

R

Receptacles in wet locations are required to have extra duty covers that are listed

9.8

406.12 exception

R

Exception for requiring tamper proof receptacles extended to guest rooms, guest suites, and child care facilities

9.9

406.12 exception

R

Exception for requiring tamper proof receptacles extended to guest rooms, guest suites, and child care facilities

9.10

408 and 408.1

R

Article 408 does not apply to equipment operating over 1000 volts except where specifically referenced elsewhere in the Code

Test 10

     

10.1

408.3(E)(2)

N

Arrangement of Direct Current DC buses shall be field marked to indicate polarity, grounding system, and nominal voltage

10.2

408.4(B)

 

R

Switchgear shall be marked to indicate the device or equipment where the power originates

10.3

408.55(C)

N

Where a raceway or cable enters a panelboard from the back the distance from the wall to the cover shall be as given in Table 312.6(A)

10.4

408.55(C)

N

The distance between the center of a rear entry and the nearest termination for entering conductors shall be not less than the distance given in Table 312.6(B)

10.5

409.20

R

All heating loads replaces resistive heating loads

10.6

410.6

R

Retrofit kits are required to be listed

10.7

410.10(F)

N

Luminaires are required to be mounted 1 1/2 inches below roof decking.

10.8

410.130

N

Electric discharge fluorescent fixtures mounted in industrial locations are required to have a disconnect installed at time ballast is replace.  Exception for places where serviced by qualified persons has been deleted.

10.9

422.5

N

All GFCI devices are required to be readily accessible

10.10

422.23

N

GFCI protection required for tire inflation and vacuum machines in public places.

Test 11

 

 

 

11.1

Code wide

N

600 volt threshold changed to 100 volts

11.2

Art 100

N

If tools are required to access then object is not readily accessible

11.3

Art 100

N

Definition of Switchgear

11.4

110.16

R

Flash warning marking can be applied at factory and not just in the field

11.5

110.24(A)

N

Informational Note added to state that Fault Current is related to short-circuit current ratings of equipemnt

11.6

110.25

N

Provisions for locking shall remain in place after lock is removed

11.7

110.26(C)(3)

R

Egress door panic hardware is required to be listed

11.8

110.26(e)(2)(a)&(b)

N

Out of door service equipment shall be installed in dedicated space

11.9

110.27(A)(4)

R

Height for guarding live parts for 301 to 600 volts raised from 8 ft. to 8 ft. 6 inches

11.10

110.27(A)(4)

R

Height for guarding live parts for 301 to 600 volts raised from 8 ft. to 8 ft. 6 inches

Test 12

     

12.1

Art 100

N

Retrofit kit defined 

12.2

Art 100

N

Separately Derived System defined

12.3

Art 100

N

Separately Derived System defined

12.4

Art 100

N

Separately Derived System defined

12.5

Art 100

R

Definition of substation revised and moved

12.6

Art 100

N

Informational Note added to definition of switchgear

12.7

110.21(B)

N

New section for markings for danger, warning, and caution

12.8

NFPA 70E

N

Electrical worker safety addressed

12.9

422.49

R

GFCI protection required for high pressure spray washers

12.10

422.51(B)

R

GFCI protection required for hard wired vending machines

Test 13

 

 

 

13.1

424.19

R

Fixed electric space heating equipment can be supplied by more than on branch circuit or feeder

13.2

424.66(A)&(B)

R

Working space required for above ceiling resistance heating elements

13.3

430.22(G)

N

Small motors can be supplied by No. 18 AWG and No. 16 AWG conductors

13.4

430.52(C)(5)

R

Power electronic devices can be used to provide short-circuit and ground-fault protection for motors

13.5

430.53(D)

R

10 ft. and 25 ft. motor taps are to begin at the point of the tap

13.6

430.233

R

Insulated mats or platforms required for worker to stand on when working on motors where they may be exposed to voltages 50 volts or over to ground

13.7

445.11

R

Marking required to indicate if generator has neutral bonded to generator frame

13.8

445.18

R

Plug connection added as acceptable disconnecting means for a portable generator

13.9

445.20

N

For 15-KW and smaller generators GFCI protection required for 125-volt 15- and 20- ampere receptacles

13.10

450.10

N

Grounding connections cannot be made over transformer vent screen openings

Test 14

     

14.1

450.11(B)

N

Transformers can be reverse wired in accordance with the manufacturer's instructions

14.2

490.48

N

Substation requirements relocated to section 490.48

14.3

Art 504

R

Requirements for Intrinsically Safe Systems has been reorganized and rewritten to follow product standards

14.4

514.3(B)

N

New figure added to show classified locations for dispenser mounted on above ground storage tank

14.5

514.3(B)

N

New figure added to show classified locations for dispenser mounted on above ground storage tank

14.6

516

R

Printing processes using flammable or combustible materials added to spray applications, dipping and coating processes

14.7

517.2

N

New definition added for support space

14.8

517.16

R

Isolated grounding type receptacles are not prohibited in patient care areas

14.9

517.18(A)

N

Critical branch receptacles marking required at patient bed locations

14.10

517.18(B)

N

Each patient bed location is required to have eight receptacles

Test 15

 

 

 

15.1

547.19

N

Number of receptacles required a critical care bed locations increased to 14

15.2

517.19(C)

N

Number of receptacles required for operating rooms increased to 36

15.3

517.30(B)

N

Hospital essential electrical system made up of life safety, critical, and equipment branches

15.4

517.30(G)

N

Essential electrical system overcurrent devices required to be selectively coordinated

15.5

520.2

N

Three new definitions added to television and motion picture studio Studio Article

15.6

547.2

R

Definition of equipotential plane added to Article for Agricultural Buildings

15.7

547.5

R

Aluminum insulated underground grounding conductors now allowed for agricultural buildings

15.8

550.15(H)

R

Conductors used for under chassis wiring for mobile homes shall be listed for wet locations

15.9

551.4(C)

R

Requirements given for labels used on recreational vehicles

15.10

551.71

R 

RV Park pedestals with 50 ampere receptacle shall also have a 30 ampere receptacle

Test 16

     

16.1

555.15(B)&(C)

R

Aluminum insulated equipment grounding conductors added as permissible for marinas and boatyards

16.2

590.4(D)(2)

R

Receptacles in wet locations for temporary installations are required to be protected by extra duty listed covers

16.3

590.4(I)

R

Flexible cords and cables used for temporary power shall be secured to boxes with fittings listed for use

16.4

590.4(J)

N

Flexible cords and cables used for branch circuits and feeders for temporary power shall not be laid on the floor

16.5

600.4

R

Signs, outline lighting, skeleton tubing systems and retrofit kits shall be marked to indicate that field wiring installation instructions are required

16.6

600.6(A)(1)

N

Disconnecting means for pole mounted signs shall be at where the circuit supplying the sing enters the pole

16.7

600.7(A)(1)

R

Metal equipment of signs and skeleton tubing shall be grounded by connection to the equipment grounding conductor

16.8

610.31

N

Runway conductor disconnecting means for overhead cranes and hoists can be selected from a list

16.9

610.31 Exception

N

Conditions provided where disconnecting means for runway conductors can be located out of view of the conductors

16.10

620.21

N

Cords and cables used for cord and plug connected equipment for elevators do not have to be in a raceway if part of a listed cord and plug connected equipment

Test 17

 

 

 

17.1

630.13

R

Disconnecting means for welders shall be marked to indicate the the equipment that is disconnected

17.2

645.14

R

Information technology grounding requirements have been divided into two sections, equipment and systems

17.3

645.14

R

Information technology grounding requirements have been divided into two sections, equipment and systems

17.4

645.27

N

Critical operation IT overcurrent devices shall be selectively coordinated

17.5

680.2

N

Definition of storable swimming, wading, or immersion pools, or storable/portable spas and hot tubs

17.6

680.12

R

Required distance for fountain disconnecting means

17.7

680.21(C)

R

GFCI protection required for pool pump motors

17.8

680.22(A)(1)

R

Receptacle required within 6 to 20 ft. of pools.

17.9

680.22(A)(2)

R

GFCI protection required for pool pump motor(s)

17.10

680.22(B)(6)

N

Listed low-voltage luminaires not requiring grounding permitted within 5 ft, of pool edge

Test 18

     

18.1

680.25(A)(1)

R

Flexible metal conduit permitted between the service and a remote panelboard that supplies a pool pump motor if an insulated equipment grounding conductor is included

18.2

680.26(C)

R

conductive surface required for equipotential grounding under prescribed conditions

18.3

680.42(B)

R

Equipotential bonding for outdoor spas and hot tubs

18.4

680.57

R

GFCI protection required for electric signs installed within 10 ft. or in a fountain

18.5

690.2

N

DC to DC converter for PV systems defined

18.6

690.2

N

Direct Current Combiner for PV systems defined

18.7

690.7(F)

N

Disconnecting means for energy storage devices used in PV systems

18.8

690.12

N

Rapid shutdown for PV systems required

18.9

Article 690

N

A group of PV system changes

18.10

Article 694

N

Scope changed.  Wind electric systems no longer limited to 100 KW and under

Test 19

 

 

 

19.1

700.8

N

Surge protection shall be installed on or in all emergency switchboards and panelboards

19.2

700.19

N

Emergency lighting and power circuits cannot be served by multiwire branch circuits

19.3

700.24

N

Individual luminaires that provide both normal and emergency lighting shall be listed

19.4

700.27

N

Emergency systems overcurrent devices shall be selectively coordinated with all supply side overcurrent protective devices

19.5

702.7(C)

N

Power inlets used for portable generators shall be marked to indicate the bonding of the neutral

19.6

702.12

R

No disconnecting means required for portable generators rated 15 KW or less using a cord and plug connection

19.7

725.2

N

Power limited tray cable defined

19.8

725.3

N

Class2 and Class 3 circuit cables not allowed in same cable tray with steam, water, and gas piping

19.9

810.6

N

Surge protectors antenna lead are required to be listed

19.10

830.24

N

Nonmetallic cable ties and other nonmetallic supports shall be listed for low smoke and heat release properties

Test 20

     

20.1

725.154 and Table 725.154

N

New Table providing approved use of cables

20.2

725.179(F)

N

Circuit Integrity Cables (CI) shall be identified with protective system number and hourly rating

20.3

760.24

R

New section for CI fire alarm cables requires cables to be supported every 24 inches

20.4

800.2

N

Definition of innerduct

20.5

Article 100

R

Definition of Adjustable Speed Drive moved to Article 100

20.6

Article 100

R

Definition of Control Circuit moved to Art 100 from 430.2.  "motor" removed from definition

20.7

Article 100

R

Selective coordination defined

20.8

Article 100

R

Definition of effective ground path moved from 250.2 to Article 100

20.9

Chapter 9 Table 4

R

Article 362 ENT dimensions and Annex C, Table C.2 have been revised

20.10

Annex D Example D7

N

New example using the 83 percent demand factor for dwelling unit services added