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2014 NEC Changes&
NC Amendments
Instructors: David Burtt, Don Hursey, Jeff Simpson
Class Schedule:
8:00 AM – 9:15 AM NC Amendments.
9:15 AM – 9:30 AM Break.
9:30 AM – 10:30 AM NC Amendments.
10:30 AM – 10:45 AM Break.
10:45 AM – 11:50 AM 2014 NEC Changes.
Full class handouts: www.jadelearning.com/class
Copyright Jade Learning 2016
2014 NEC Adoption in NC
• Effective April 1, 2016.
• With state specific amendments.
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NC Amendments
3http://www.ncdoi.com/osfm/engineering_and_codes.aspxCopyright Jade Learning 2016
2014 NC Amendments
2014 NC Electrical Code
110.26(E)(2)(b) Dedicated Equipment Space Outdoors.
The space equal to the width and depth of the equipment, and extending from grade to a height of 1.8 m (6 ft) above the equipment, shall be dedicated to the electrical installation. No piping or other equipment foreign to the electrical installation shall be located in this zone.
• Retaining language from 2011 NEC for 110.26 (E)(2).
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NC Amendments2014 NC Electrical Code
210.8(A)(3) GFCI Protection Outdoors:
Exception No. 1 to (3): Receptacles that are not readily accessible and are supplied by a branch circuit dedicated to electric snow-melting, deicing, or pipeline and vessel heating equipment shall be permitted to be installed in accordance with 426.28 or 427.22, as applicable.
Exception No. 2 to (3): A single outlet receptacle supplied by dedicated branch circuit which is located and identified for specific use by a sewage lift pump.
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EFFECTIVE NOW
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2014 NC Amendments
2014 NC Electrical Code
210.8(A)(7) GFCI Protection. Sinks. Located in areas other than kitchens where receptacles are installed within 6 ft. of the outside edge of the sink.
• Retaining language from 2011 NEC for 210.8(A)(7).
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2014 NC Amendments
2014 NC Electrical Code
210.8(D) Kitchen Dishwasher Branch Circuit.
GFCI protection shall be provided for outlets that supply dishwashers installed in dwelling unit locations.
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2014 NC Amendments2014 NC Electrical Code
210.12 Arc-Fault Circuit-Interrupter Protection shall be provided as required in 210.12(A) (B), and (C). The AFCI shall be installed in an readily accessible location (see next slide).
(A) Dwelling Units. All 120-volt, single-phase, 15- and 20-ampere branch circuits supplying outlets or devices installed in dwelling unit
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kitchens, family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways, laundry areas, or similar rooms or areas shall be protected by any of the means described in 210.12(A)(1) through (6)...
AFCI protection not required for kitchen or laundry circuits in NC.
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Accessible Vs Readily Accessible
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Accessible
Readily Accessible
NC Amendments
2014 NC Electrical Code
210.52(I) Dwelling Unit Foyers:
Foyers that are not part of a hallway in accordance with 210.52(H) and that have an area that is greater than 60 ft.² shall have at least one receptacle. located in each wall space 900 m (3 ft) or more in width in a straight dimension and unbroken by corners, doorways, floor-to-ceiling windows and similar openings.
Effective now
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NC Amendments2014 NC Electrical Code
250.50 Grounding Electrode System:
All grounding electrodes as described in 250.52(A)(1) through (A)(7) that are present availableat each building or structure served shall be bonded together to form the grounding electrode system.
Where none of these grounding electrodes exist, one or more of the grounding electrodes specified in 250.52(A)(4) through (A)(8) shall be installed and used.
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EFFECTIVE NOW
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NC Amendments2014 NC Electrical Code
250.53(A)(2) Supplemental Electrode Required:
A single rod, pipe, or plate electrode shall be supplemented by an additional electrode of a type specified in 250.52(A)(2) through (A)(8).
Exception No. 1: If a single rod, pipe, or plate grounding electrode has a resistance to earth of 25 ohms or less, the supplemental electrode shall not be required.
Exception No. 2: The supplemental grounding electrode shall not be required at a temporary electrical service installation (saw service pole) at a construction site for one and two-family residences, provided the temporary electrical service does not exceed 150 volts to ground or 100 amperes.
EFFECTIVE NOW
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2014 NC Amendments
2014 NC Electrical Code
Section 310.15(B)(7) and Table 310.15(B)(7).
Replace the 2014 NEC text from this code section with the 2011 NEC text and Table 310.15(B)(7).
(KEEP THE TABLE)
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NC Amendments
2014 NC Electrical Code
334.15(C) In Unfinished Basements and Crawl Spaces:
Where cable is run at angles with joists in unfinished basements and crawl spaces it shall be permissible to secure cables not smaller than two 6 AWG or three 8 AWG conductors directly to the lower edges of the joists. Smaller cables shall be run either through bored holes in joists or on running boards.
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EFFECTIVE NOW
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1. Where the conductors enter the switch box through a raceway.
2. Where the switch box is accessible for additional cable without removing finish materials.
3. Where the switch has an integral enclosure, such as those used for doorjamb switches.
4. Where a switch does not serve a habitable room or bathroom, such as in an attic.
2014 NC Electrical Code404.2(C) Switches Controlling Lighting Loads:Grounded conductor required at switch location except:
5. Where there is more than one switch location, such as for 3-way or 4-way switches, and the entire floor area of the room is visible from a single or combined switch locations.
6. Where the lighting in the area is controlled by automatic means, such as a ceiling mounted occupancy sensor.
7. Where a switch controls a receptacle load.
8. Where installed in residential one- and two- family dwellings.
NC Amendments
NC Amendments
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2014 NC Electric Code
Grounded conductor NOT required for switches that serve lighting loads:
• Applies only to residential one-and two-family dwellings in NC.
• Applies to any switch: Single, 3-way, 4-way.
EFFECTIVE NOW
Grounded conductor NOT
required
White wire re-identified
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2014 NC Amendments
2014 NC Electrical Code
406.4(D) Replacements. Replacement of receptacles shall comply with 406.4(D)(1) through (D)(6), as applicable.
AFCI type and GFCI type receptacles shall be installed in an readily accessible location.
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NC Amendments2014 NC Electrical Code
406.4(D)(4) Arc-Fault Circuit-Interrupter Protection:
Where a receptacle outlet is supplied by a branch circuit that requires AFCI protection as specified elsewhere in this Code, a replacement receptacle at this outlet shall be one of the following:
(1) A listed outlet branch circuit type AFCI receptacle.
(2) A receptacle protected by a listed outlet branch circuit type AFCI type receptacle.
(3) A receptacle protected by a listed combination type AFCI type circuit breaker.
Exception: Non-grounding type receptacle(s).
EFFECTIVE NOW.
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2014 NC Amendments2014 NC Electrical Code
422.5 Ground-Fault Circuit-Interrupter (GFCI) Protection.
The device providing GFCI protection required in this article shall be readily accessible.
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Exception: For one- and two-family residences, the device providing
the GFCI protection required in this article shall be accessible.
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NC Amendments2012 NC Fuel Gas Code
310.1.1 Corrugated stainless steel tubing (CSST):
CSST gas piping systems shall be bonded to the electrical service grounding electrode system at the point where the gas service enters the building. The bonding jumper shall be not smaller than 6 AWG copper wire or equivalent.
CSST with an arc-resistant jacket listed by an approved agency for installation without the direct bonding, as prescribed in this section, shall be installed in accordance with Section 310.1 and the manufacturer’s installation instructions.
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EFFECTIVE NOW.
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NC Amendments
By special permission, additional services shall be permitted for either anyof the following:
(1) Multiple-occupancy buildings where there is no available space for service equipment accessible to all occupants.
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(2) A single building or other structure sufficiently large to make two or more services necessary. Buildings or other structures large enough to allow each service location to be separated by at least 50 feet, meet the criteria for “sufficiently large.”
EFFECTIVE NOW.
2014 NC Electrical Code
230.2(B) Special Occupancies:
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NC Interpretations
How?What?Why?What if?
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NC Interpretations 210.12(B)Arc-Fault Circuit-Interrupters in Bedrooms of Dwellings (AFCI)
Question: Are lights and smoke detectors, in addition to receptacles, installed in bedrooms of dwellings required to be AFCI protected?
Answer: All branch circuits supplying 15-and 20-ampere, 125 volt, single phase, outlets in dwelling unit bedrooms shall have AFCI protection that provides protection of the entire circuit.
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Includes devices
Copyright Jade Learning 2016
NC Interpretations 334.10 (Uses Permitted)
NM Cable Other Than Dwellings
Question:
I have a two story office building permitted to be all wood construction. However, the first floor was designed using all masonry construction just for architectural aesthetic purposes. The inspector is not going to allow Type NM cable now because of the use of concrete and masonry for the first floor. If a building is permitted to be of Types III, IV, or V construction, does it matter what material is used as long as either method is allowed for the entire building?
Answer:
Section 334.10 permits type NM cable to be used in construction where that construction is permitted to be either Type III, IV, or V. Use of masonry on the first floor just as preference does not change that status.
*(See next slide for types of construction.)
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NC Interpretations 334.10
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602.2 Types I and II construction: Building elements are noncombustible.602.3 Type III construction: Exterior walls are noncombustible, interior elements are any material permitted by code.602.4 Type IV construction(Heavy Timber, HT): Exterior walls are noncombustible, interior elements are solid or laminated wood without concealed spaces.602.5 Type V construction:Structural elements, exterior and interior walls are of any materials permitted by code.
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Important 2014 NEC Code Changes
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CODE WIDE: VOLTAGE
Voltage Level: Over 1000 Volts
240, OCPD’s. Over 1000 Volts.
250, Grounding and Bonding.
300, General Requirements for Wiring
Methods and Materials.
430, Motors, Motor Circuits, and
Controllers.
490, Equipment Over 1000 Volts.
690, Solar Photovoltaic (PV) Systems.
692, Fuel Cell Systems.
694, Wind Electric Systems. Copyright Jade Learning 2016 27
100 Definitions. Retrofit Kit.
New term: Retrofit kit
Complete subassembly of parts and
devices for field conversion of
utilization equipment.
TransformersSignsSwitchgear
Panelboards
Motor control buckets
Circuit breakers
Luminaires
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110.16 Arc-Flash Hazard Warning
Required when equipment requires
examination, adjustment, servicing,
or maintenance while energized.
• Switchgear added.
• Label can be field or factory
applied.
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New informational note:
Required markings are for selecting
proper equipment ratings, NOT PPE.
NFPA 70E = safety requirements.
110.24(A) AVAILABLE FAULT CURRENT
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110.25 Lockable Disconnecting Means.
Capable of being locked in open position.
The locking means must remain in place
with or without the lock installed.
Exception: Cord-and plug locking
provisions.
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110.26(C)(3) Spaces about Electrical Equip.
Equipment rated 1200 800 amperes and
more.
Listed panic hardware required for
entry/egress doors within 25’ of workspace.
Panic bars, pressure plates, or other devices
that are normally latched but open under
simple pressure.
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200.4 Neutral Conductors.Must group grounded and ungrounded conductors of the same circuit in any
enclosure.
Exceptions: obvious grouping or pass through a box or conduit body without a
loop, splice or termination.
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210.8(A)(9) GFCI Protection. Bathtubs or Shower Stalls
Bathtub or shower stalls: GFCI
protection required for
receptacles within 6 ft. of
outside edge.
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210.8(A)(10) GFCI Protection. Laundry Areas.
GFCI protection: Required
for 125-volt, single-phase,
15- and 20-ampere
receptacles in dwelling unit
laundry areas.
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210.8(B) GFCI Protection. Other Than Dwelling Units. Exception No. 1. Rooftops.
Outlets on rooftops are
considered readily
accessible from the rooftop.
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210.8(B) GFCI Protection. Other Than Dwelling Units. Garages.
All 15- and 20 amp single-
phase 125 V receptacles in
garages, service bays.
Not required in exhibition halls
or showrooms.
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210.12 AFCI Protection.
The arc-fault circuit interrupter shall be installed in a readily accessible location.
• Kitchen added (Not in NC)
• Laundry added (Not in NC)
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210.12(A)(1)-(6) AFCI Protection.
3 New Methods:
(1)Listed branch/feeder AFCI circuit breaker and OBC type AFCI receptacle
(2)Listed supplemental AFCI circuit breaker with a listed OBC type AFCI receptacle (conditions)
(3)Listed OBC type AFCI device as first outlet with a listed circuit breaker (conditions)
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210.12(B) Exception. AFCI Protection.
• Modifications must be AFCI protected
• New Exception: No AFCI required if circuits not extended more than 6 ft., and no additional outlets or devices are added.
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210.12(C) AFCI Protection. Dormitory Units.
AFCI required in Dorms: 120 V, single-phase, 15- and 20 amp branch circuit outlets.
• Bedrooms
• Living rooms
• Hallways
• Closets
• Similar rooms
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210.17 Electric Vehicle Charging Circuit.
• Any outlets installed for charging electric vehicles require a separate branch circuit.
• No other outlets on circuit.
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210.19(A)(1)Conductors – Minimum Ampacity and Size.
Double Derating is ok
More Than 3 Conductors in Raceway or Cable
Temperature above 86° F
Never Triple Derate
More Than 3 Conductors in Raceway or Cable
Temperature above 86° F
Continuous Load
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• Step 2: 7 current-carrying conductors. What is the adjustment? 70%.
100 amps ÷ .70 = 143 amps (1/0 AWG THWN cu.)
210.19(A)(1)Conductors – Minimum Ampacity and Size.Example: What size THWN cu. conductor is required to supply a 100-amp continuous load when there are 7 current-carrying conductors in conduit:
Step 1: 100 A continuous load = 100 x 125% = 125 A. (1 AWG THWN) cu.
• Step 3: Select the larger of the two conductors.
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210.52(E)(1) Outdoor Dwelling Unit. Receptacles.
• Outlet required at front and back of one-family dwellings
• Readily accessible while standing at grade level from grade
• Not more than 6.5 ft. above grade level
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210.52(E)(3) Balconies, Decks, Porches.
• Balcony, deck, or porch must be attached to dwelling and accessible from inside.
• Receptacle outlet no longer required to be “within the perimeter”.
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210.52(G) Basements, Garages, Accessory Buildings.
• At least one receptacle outlet
for each car space.
• Branch circuit shall not
supply outlets outside of the
garage.
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210.52(G) Basements, Garages, Accessory Buildings.
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210.64 Electrical Service Areas.
• 125 V, single-phase, 15- or 20-
amp receptacle outlet.
• Within 50 ft. of electrical service
equipment.
• N/A for 1 & 2 family dwellings.
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220.12 Lighting Load for Specified Occupancies.
Lighting load can be calculated using energy code IF:
1. Power monitoring system
2. Set with alarm values
3. Demand factors in 220.42 not
applied.
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Hub
230.28 Service Masts as Supports.• Hubs used for service masts must be identified for use with service
masts service-entrance equipment.
• Overhead service conductors cannot be attached to the service mast
between the weatherhead and a coupling in the conduit that is above the
last point of support to the building.
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230.82 Equipment Connected to the Supply Side of Service Disconnect.• Voltage: 1000 volts
• Labeling requirement:
METER DISCONNECT
NOT SERVICE EQUIPMENT
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250.64(B) Grounding Electrode Conductor Installation. Securing and Protection.
• Table 300.5 does not apply to buried
grounding electrode conductors and
grounding electrode bonding jumpers.
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250.66(A)&(B) Connections to a Rod, Pipe, or Plate and Concrete-Encased Electrode(s).
• Grounding electrode conductor to more
than one driven ground rod –not larger
than No. 6 AWG copper.
• Grounding electrode conductor to more
than one concrete-encased electrode – not
larger than No. 4 AWG copper.
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250.68(C) Grounding Electrode Connections.
(3) A concrete-encased electrode of either the conductor type, or rebar installed in accordance with 250.52(A)(3) extended from its location within the concrete to an accessible location above the concrete shall be permitted.
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Table 250.102(C) Grounded Conductor...
• Grounded Conductor
• Main Bonding Jumper
• System Bonding Jumper
• Supply-Side Bonding
Jumper
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250.122(B) Size of Equipment Grounding Conductors. Increased in Size.
Increase equipment grounding
conductor in size ONLY if
ungrounded conductors are
increased in size beyond what is
needed for sufficient ampacity.
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250.130(C) Nongrounding Receptacle Replacement or Branch Circuit Extensions.
Ok to use an equipment
grounding conductor that is part
of another branch circuit
originating in the same enclosure.
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300.11(B)(1) Securing and Supporting.
• The raceway is used to support boxes or conduit bodies in accordance with 314.23 or to support luminaires in accordance with 410.36(E).
• The raceway contains power supply conductors for electrically controlled equipment and is used to support Class 2 circuit conductors or cables that are solely for the purpose of connection to the equipment control circuits.
• The raceway or means of support is identified for the purpose as a means of support.
A raceway can be used as a means of support if:
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300.22(C)(1) Other Spaces Used For Environmental Air (Plenums).
• Metallic raceways/wiring methods.
• MI Cable – without nonmetallic covering.
• Cable ties/cable accessories: listed as low smoke and heat release properties.
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Table 310.15(B)(3)(a) Adjustment Factors.
Table now applies to:
• Spare conductors.
• Conductors that cannot be energized simultaneously excluded from adjustment requirements.
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310.15(B)(3)(c) Ex. and Table. Rooftops.
• Table applies to circular raceways raceways or cables.
• Table 310.15(B)(3)(c) does NOT apply to XHHW-2 conductors.
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314.15 Damp or Wet Locations.
Now ok to drill drainage openings not larger than ¼ inch.
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314.25 Covers and Canopies.
No drywall screws for covers.
Must use proper machine screws matching thread gauge of box or screws required in the manufacturer’s instructions.
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314.27(C) Boxes at Ceiling-Suspended (Paddle) Fan Outlets.
• Outlet boxes supporting ceiling fans to be listed for the purpose.
• 2 family dwellings added.
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330.30(D)(3) Securing and Supporting.
Where flexibility is needed:
Interlocked armor type MC cable be unsupported up to 3 ft. from the last point where it is securely fastened.
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334.10 Installation. Uses Permitted.Type NM, NMC, NMS cables can be used as follows: (Except as prohibited in 334.12)
1. One- and two-family dwellings and their attached/detached garages, and their storage buildings.
2. Multi-family dwellings permitted to be of Types III, IV, and V construction. Except as prohibited in 334.12
3. Other structures permitted to be of Types III, IV, and V construction. Cables shall be concealed within walls, floors, or ceilings that provide a thermal barrier that has at least a 15-minute finish rating as identified in listings of fire-rated assemblies. Except as prohibited in 334.12.
4. Cable trays in structures permitted to be Types III, IV, or V where the cables are identified for the use.
5. Types I and II construction where installed within raceways permitted to be installed in Types I and II construction.
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376.22(B) Number of Conductors and Ampacity.
Ampacity adjustment now only required in a
metal wireway if the number of current-
carrying conductors exceeds 30 at any cross
section.
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376.56(B)(5) Power Distribution Blocks.
Conductors shall be arranged so the power distribution block terminals are unobstructed following installation.
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392.20(A)&(B) Multiconductor Cables.
Cables rated 2,000 V
Cables rated 600 V
All cables operate at 480 V.No separation required
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Conductors that operate at over 600 volts must be separated from conductors operating at 600 volts or less if installed in the same cable tray.
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Article 393. Low Voltage Suspended Ceiling Power Dist. Systems.New Article
Ceiling grid rails as bus –
distribute low voltage power
through ceiling.
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400.7(A)(11) Flexible Cords and Cables. Uses Permitted.
• Must be a listed assembly, specific for the application.
• The wiring interconnecting the inlet to the single receptacle outlet shall be a Chapter 3 wiring method.
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404.2(C) Switches Controlling Lighting Loads.
1. Where the conductors enter the switch box through a raceway.
2. Where the switch box is accessible for additional cable without removing finish materials.
3. Where the switch has an integral enclosure, such as those used for doorjamb switches.
4. Where a switch does not serve a habitable room or bathroom, such as in an attic.
5. Where there is more than one switch location, such as for 3-way or 4-way switches, and the entire floor area of the room is visible from a single or combined switch locations.
6. Where the lighting in the area is controlled by automatic means, such as a ceiling mounted occupancy sensor.
7. Where a switch controls a receptacle load.
Grounded conductor required at switch location except:
8. In NC, a grounded conductor is not
required for switches controlling lighting loads in one- and two- family
dwellings.
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406.3(E) Receptacle Rating and Type.
Nonlocking, 125 V, 15-20- amperes, controlled by an automatic control device – must be marked with new symbol.
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406.9(B)(1) 15 and 20 Ampere Receptacles in a Wet Location.
Wet locations:
Outlet box hood to be listed and “extra duty”
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406.12 Tamper-Resistant Receptacles.Exceptions now apply to dwelling units, guest rooms and guest suites of hotels and motels, and child care facilities:
1. Receptacles more than 5 ½ ft. above the floor.
2. Receptacles that are part of a luminaire or appliance.
3. A single or duplex receptacle for two appliances located within dedicated space and not easily moved.
4. Nongrounding receptacles used for replacements.
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408.4(B) Field Identification Required.
Switchboards, switchgear, panelboards supplied by feeders (other than 1 or 2 family dwellings).
Must be marked to indicate eachdevice or equipment where the power originates.
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404.10(B) Mounting of Snap Switches.
• Use screws provided with switch or,
• Machine screws with 32 TPI (threads per inch).
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410.10(F) Luminaires Installed Under Roof Decking.
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Luminaires under metal-corrugated roof decking require 1.5 inches between the roof and top of the luminaire.
410.23 Covering of Combustible Material at Outlet Boxes.
Exposed combustible surfaces of 180 sq. in.
or more must be covered with
noncombustible material.
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410.130(G) Disconnecting Means.
Exceptions:
1. Luminaires in hazardous locations.
2. Emergency lighting & exit signs.
3. Cord and plug connected luminaires where the plug and receptacle are accessible.
4. In industrial establishments where conditions of maintenance and supervision ensure that only qualified persons service the installation.
5. If there is more than one luminaire in a space, and there is a way to disconnect the luminaires so that the space cannot be left in total darkness, then each luminaire is not required to have a disconnecting means.
Fluorescent luminaires that use double ended lamps.
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422.5 GFCI Protection.
The device providing the GFCI
protection for appliances must be
readily accessible.
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422.19, 422.20 Space for Conductors.
• Capacity of fan canopy and outlet box
can be added.
• Cover required for outlet box.
• Any exposed combustible ceiling between
fan canopy and outlet box covered with
noncombustible material.
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422.23 Tire Inflation and Automotive Vacuum Machines.
• GFCI protection required for
tire inflation and auto vacuum
machines for public use.
• Not voltage specific.
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422.51 Vending Machines.
• GFCI protection required
• Directly wired
• Cord-and-plug connected
• Not voltage specific
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424.66(A)&(B) Duct Heaters. Installation.• Duct heaters above a ceiling
• Equipment to be accessible by ceiling tiles or access panels.
• Work space to be 30 in. wide or the width of the equipment, whichever is greater.
• Access panels/doors on equipment must open at least 90°.
• Depth of working space in front of the equipment is to comply with the requirements of Table 110.26(A)(1).
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445.11 Generators. Marking.
To be marked by the
manufacturer to specify
whether or not the
generator neutral is bonded
to the generator frame.
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445.18 Disconnecting Means Required for Generators.• Disconnecting means
• Lockable in OFF position
• Not required if:
The driving means for the generator can be readily shut down, is rendered incapable of restarting, and is lockable in the OFF position in accordance with 110.25.
The generator is not arranged to operate in parallel with another generator or other source of voltage.
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Cannot be installed on or over any vented portion of the enclosure
450.10(A) Grounding. Dry-Type Transformer Enclosures.
A terminal bar for equipment grounding conductors and SSBJ’s at terminal bar mounted inside the transformer enclosure.
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450.11(B) Source Marking.
A transformer can be supplied
at the marked secondary
voltage (BACKFED) if installed
in accordance with the
manufacturer’s instructions.
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590.4(D)(1) Receptacles in Wet Locations.Temporary installations will now also require “extra duty” covers for 15-and 20-ampere 125- and 250- volt receptacles in wet locations.
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590.4(I) Termination(s) at Devices.
Fittings need to be listed for the
purpose of connecting flexible
cords and cables to boxes.
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590.4(J) General. Support.
Temporary wiring:
• Must be supported in place.
• Protected from physical damage.
• Shall not be installed on floor or ground.
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590.4(J) General. Support.
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600.6(A)(1) Disconnects. At Point of Entry.
A sign disconnect is required at
the point the feeder circuit or
branch circuit(s) enters the sign
enclosure.
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680.21(C) Motors. GFCI Protection.
All 15 and 20-amp single-phase, 120 through 240 volt branch circuits that supply pool pump motors are required to be GFCI protected.
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680.22(A)(1) Receptacles. Required.
Dwellings All locations
At least one, GFCI protected, 125 V,
15- or 20- amp receptacle
Location:
At least 6 ft. from pool
Not more than 20 ft.
Not more than 6 ½ ft. above
grade/deck level.
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680.42(B) Outdoor Installations. Bonding.
• It must be self-contained and listed for aboveground use.
• It cannot be identified for indoor use only.
• It must be installed according to the manufacturer’s instructions.
• The top rim of the tub must be a minimum of 28 inches above any surface that extends up to 30 inches horizontally from the spa or hot tub.
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No bonding grid required for hot tub if all conditions apply:
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690.5(A) Ground-Fault Protection.
Ground-fault protection devices must detect a ground fault in the
PV array, interrupt the flow of fault current, provide indication of
the fault, and be listed.
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690.12 Rapid Shutdown of PV Systems on Buildings.• Rapid shutdown required.
• Must reduce voltage on PV conductors more
than 5 ft. (inside building) or more than 10
ft. from array.
• Voltage reduced to 30 volts or less within
10 seconds.
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• If the building has a utility service, a permanent plaque must be posted:
PHOTOVOLTAIC SYSTEM EQUIPPED WITH RAPID SHUTDOWN.
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690.15(C) Direct-Current Combiner Disconnects.
Combiner: A device used in the PV source and
PV output circuits to combine two or more DC
circuit inputs and provide one DC circuit output.
DC Disconnects for outputs of DC combiners on
roofs.
• Must be load break rated.
• In combiner or within 6 ft. of the combiner
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700.12(F) Emergency Systems. Unit Equip.
The exception has been changed to allow a separate branch circuit to the emergency lighting only if the normal branch circuits that supply lighting to the area are NOT part of a multwire branch circuit.
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700.19 Emergency Systems. Multiwire Branch Circuits.
The branch circuit serving
emergency lighting and
power circuits shall not be
part of a multiwire branch
circuit.
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702.7(C) Optional Standby Systems. Power Inlet.
• Sign required.
• Identifies type of generator that can be connected to the power inlet.
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