9/28/13 Significant Changes in the 2014 NEC® 1 MICHAEL J. JOHNSTON EXECUTIVE DIRECTOR STANDARDS AND SAFETY – NECA NEC CORRELATING COMMITTEE - NFPA 9/28/13 Copyright NECA 2013 General Information 2 This presentation reviews various significant changes for the 2014 NEC. 3745 Proposals 1625 Comments Courtesy of NFPA 9/28/13 Copyright NECA 2013 NJATC Textbook 3 Presentation includes material from the NJATC 2014 NEC Significant Changes Textbook. Authors ¡ ¡ Michael Johnston – NECA Joe Sheehan - NJATC Courtesy of NJATC Copyright NECA 2013 9/28/13 1 9/28/13 2014 NEC – New Articles 4 Article 393, Low Voltage Suspended Ceiling Power Distribution Systems [ROP 18-10a] Article 646, Modular Data Centers [ROP 12-147] Article 728, Fire Resistive Cable Systems [ROP 3-170] Article 750, Energy Management Systems [ROP 13-180] 9/28/13 Copyright NECA 2013 Code-Wide Changes 5 Requirements for DC systems and wiring incorporated throughout the NEC Raising the 600 Volts threshold to 1000 Volts in multiple articles throughout the NEC Incorporation of the word switchgear and revise the definition More specific requirements for markings 9/28/13 Copyright NECA 2013 Introduction 6 ARTICLE 90 Copyright NECA 2013 9/28/13 2 9/28/13 90.8(B) Number of Circuits in Enclosures 7 Proposal 1-19 Revision removes the words “in one circuit” Clarifies that a short circuit or ground fault condition is not limited to any one circuit within raceways or enclosures addressed by this section 9/28/13 Copyright NECA 2013 Copyright NECA 2013 8 9/28/13 General 9 CHAPTER 1 Copyright NECA 2013 9/28/13 3 9/28/13 Article 100 Coordination (Selective) 10 Proposal 10-5, Comment 10-2 The word “choice” is replaced by the words “selection and installation” to clarify it is selection and installation of overcurrent protection that achieves selective coordination. Selective coordination is across the “full range” of available overcurrents. 9/28/13 Copyright NECA 2013 9/28/ Copyright NECA 2013 13 11 Article 100 Control Circuit 12 Proposal 11-8 Revision and relocation of the definition of the term “motor control circuit” The word “motor” is removed from the definition making the term “control circuit” a new definition that applies to all control circuits, not just motor control circuits. Copyright NECA 2013 9/28/13 4 9/28/13 9/28/13 13 Copyright NECA 2013 Article 100 Device 14 Proposal 1-31a Revision adds the words “other than a conductor” to the definition Clarifies that a device typically carries current but it is not a conductor as defined and referenced elsewhere in the NEC Courtesy Pass and Seymour Legrand 9/28/13 Copyright NECA 2013 Article 100 Premises Wiring System 15 Proposal 1-61 New informational note was added to the existing definition Provides examples of a premises wiring system for additional clarification such as batteries, photovoltaic systems, interconnected power sources, stand-alone generators, and so forth Copyright NECA 2013 9/28/13 5 9/28/13 Copyright NECA 2013 16 9/28/13 Article 100 Retrofit Kit 17 Proposal 18-9, Comment 18-4 New definition of the term “Retrofit Kit.” A general term for a complete subassembly of parts and devices for field conversion of utilization equipment. 9/28/13 Copyright NECA 2013 Courtesy of Independence LED Lighting, LLC Copyright NECA 2013 18 9/28/13 6 9/28/13 Article 100 Switchgear 19 Proposal 9-7, 9-104a, Comment 9-7, 9-104a Revision of definition of the term metal-enclosed switchgear removes the word “power” Addresses all types of switchgear and new informational note includes a list of switchgear types to which the revised definition applies 9/28/13 Copyright NECA 2013 Copyright NECA 2013 20 9/28/13 110.16 Arc-Flash Hazard Warning 21 Proposal 1-105, Comments 1-47, 1-52, 1-53, 1-56 Revision adds the words “or factory” to the rule Clarifies that the marking could be applied in the field or at the factory by a manufacturer Reference to 110.21(B) has been added to this section Copyright NECA 2013 9/28/13 7 9/28/13 Copyright NECA 2013 22 9/28/13 Section 110.21(B) Field Marking 23 Proposal 1-114, Comments 1-59, 1-60, 1-61 New subdivision (B) adds requirements for warning, caution, or danger, markings, labels, or signs required by the NEC Markings, signs, or labels should meet the requirements in ANSI Z535.4 9/28/13 Copyright NECA 2013 Section 110.24 Available Fault Current 24 Proposals 1-121, 1-124, Comment 1-64, 1-66 New informational note added Clarifies that the available fault current markings required by 110.24 are for equipment rating purposes only and not for arc-flash hazard analysis as required by NFPA 70E Copyright NECA 2013 9/28/13 8 9/28/13 © 2013 NJATC Copyright NECA 2013 25 9/28/13 110.25 Lockable Disconnecting Means 26 Proposal 1-130, Comment 1-76 New section provides consistent requirements for Code rules and exceptions that require a lockable disconnecting means. Code-wide proposals to remove text from all sections that provide the specific requirements for lockable disconnecting means. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 27 9/28/13 9 9/28/13 Section 110.26(C)(3) Personnel Doors 28 Proposal 1-143a Revision reduces the ampere value “1200” to “800” amperes. Clarifies the requirements for panic hardware are required for large equipment with an 800-ampere rating or greater 9/28/13 Copyright NECA 2013 Section 110.26(C)(3) Personnel Doors 29 Proposal 1-145 Section revised to include only the term “panic hardware” Revision to this section removes the terms “simple pressure plates” and other devices that are normally latched but are released under simple pressure Change results in consistency with applicable Building Codes that only use the term “panic hardware” 9/28/13 Copyright NECA 2013 Copyright NECA 2013 30 9/28/13 10 9/28/13 110.26(E)(2)(a) and (b) 31 Proposals 1-154, 1-155 This section has been restructured into a list format and new list item (b) has been added and is titled “Dedicated Equipment Space.” The requirements for dedicated space for equipment installed outside are similar to the dedicated space requirements for equipment located indoors. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 32 9/28/13 Section 110.33(A)(3) Personnel Doors 33 Proposal 1-169a Section revised to include only the term “panic hardware.” Revision to this section removes the terms “simple pressure plates” and other devices that are normally latched but are released under simple pressure. Building Codes use the term “panic hardware.” Copyright NECA 2013 9/28/13 11 9/28/13 34 Copyright NECA 2013 9/28/13 Wiring and Protection 35 CHAPTER 2 9/28/13 Copyright NECA 2013 200.4(B) Multiple Circuits 36 Proposal 5-29 New subdivision (B) titled “Multiple Circuits” has been added to this section. Requires grouping the common neutral conductor with its associated ungrounded conductors when contained in the same enclosure. The new exception relaxes the requirement where the grouping is obvious. Copyright NECA 2013 9/28/13 12 9/28/13 © 2013 NJATC 37 Copyright NECA 2013 9/28/13 Section 210.8(A)(9) Bathtubs or Shower Stalls 38 Proposal 2-46 New list item (9) added to Section 210.8. (9) Bathtubs or Shower Stalls - where receptacles are installed within 1.8 m (6 ft) of the inside edge of the bathtub or shower stall. 9/28/13 Copyright NECA 2013 Courtesy Pass and Seymour Legrand Copyright NECA 2013 39 9/28/13 13 9/28/13 Section 210.8(A)(10) Laundry Areas 40 Proposal 2-47, Comment 2-23 New list item (10) added to Section 210.8(A). (10) Laundry Areas now required to have GFCI protection for 125-volt, single phase, 15- and 20ampere receptacles. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 41 9/28/13 210.8(D) Kitchen Dishwasher Branch Circuit 42 Proposal 2-58, Comment 2-29 A new subdivision (D) titled “Kitchen Dishwasher Branch Circuit” has been added to 210.8. Outlets supplying dishwashers are required to be GFCI protected. Copyright NECA 2013 9/28/13 14 9/28/13 Copyright NECA 2013 43 9/28/13 210.12 AFCI Protection 44 Proposal 2-116, Comment 2-59 AFCI protective devices are required to be installed in a readily accessible location Courtesy Eaton Corporation Courtesy Pass and Seymour Legrand 9/28/13 Copyright NECA 2013 Section 210.12(A) Kitchen and Laundry 45 Proposals 2-80 and 2-82a, Comments 2-48 – 2-50 Change adds laundry areas and kitchen branch circuits and outlets to the AFCI protection requirements Continues the progression toward “whole-house” protection originally sought by CPSC in the 1999 NEC development cycle Copyright NECA 2013 9/28/13 15 9/28/13 Copyright NECA 2013 9/28/13 46 Section 210.12(A)(4) AFCI Protection 47 Proposal 2-92, Comment 2-52 Revision recognizes use of circuit breakers or outlet devices at the first outlet in the circuit Specific conditions must be met to apply for outlet AFCI devices Courtesy Pass and Seymour Legrand 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 48 9/28/13 16 9/28/13 Section 210.13 GFPE 49 Proposal 2-125 New Section 210.13 Ground-Fault Protection of Equipment Branch circuit disconnect rated 1000 amperes or more and installed on solidly grounded wye electrical systems of more than 150 volts to ground, but not exceeding 600 volts phase-to- phase, shall be provided with GFPE in accordance with 230.95 9/28/13 Copyright NECA 2013 Copyright NECA 2013 50 9/28/13 Section 210.17 EV Branch Circuit 51 Proposal 2-128 New section 210.17 added to Article 210 210.17 Electric Vehicle Branch Circuit. Outlet(s) installed for the purpose of charging electric vehicles shall be supplied by a separate branch circuit. This circuit shall have no other outlets Informational Note. See 625.2 for the definition of "Electrical Vehicle" Copyright NECA 2013 9/28/13 17 9/28/13 Courtesy Pass and Seymour Legrand Copyright NECA 2013 52 9/28/13 Section 210.64 Electrical Service Areas 53 Proposal 2-191 New Section 210.64 added to Article 210 and exception for one- and two-family dwelling units At least one 125-volt, single-phase, 15- or 20-ampere receptacle outlet within 15 m (50 ft) of the electrical service equipment 9/28/13 Copyright NECA 2013 Copyright NECA 2013 54 9/28/13 18 9/28/13 Section 230.44 Cable Trays 55 Proposal 4-133 Revision adds spacing intervals for labels. Revised to include spacing interval for service conductor warning labels (not to exceed 10 feet). 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 56 9/28/13 Section 240.87 Arc Energy Reduction 57 Proposal 10-53a, Comment 10-24 This section is now titled “Arc Energy Reduction” Applies to circuit breakers with a trip rating of 1200 amperes or greater Includes new list items (4), and (5) recognizing other methods of arc energy reduction by a specific system/equipment other approved means. Copyright NECA 2013 9/28/13 19 9/28/13 Courtesy of GE Arc Vault™ Protection System photography courtesy of GE’s Industrial Solutions business 58 Copyright NECA 2013 9/28/13 Section 250.21(C) Marking 59 Proposal 5-66 Revision to current marking requirements in subdivision (C). Revision adds specific words for the Caution Sign as follows: Caution Ungrounded System Operating - ____ Volts Between Conductors 9/28/13 Copyright NECA 2013 250.30(A)(1) Exception No. 2 (new) 60 Proposal 5-85 A supply-side bonding jumper is not required between enclosures where a system bonding jumper installed at both locations and a parallel path is not created for the system grounded conductor current. The new exception is necessary after requirements for supply-side bonding jumper(s) were added in the 2011 NEC. Copyright NECA 2013 9/28/13 20 9/28/13 250.30(A)(2) Exception (new) 61 Proposal 5-88, 5-87 A supply-side bonding jumper is not required between enclosures where a system bonding jumper installed at both locations and a parallel path is not created for the system grounded conductor current. The new exception is necessary after requirements for supply-side bonding jumper(s) were added in the 2011 NEC. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 62 9/28/13 250.30(A)(5) and (6) Exceptions 63 Proposal 5-90, 5-91 The words “is located within equipment listed and identified as Suitable for Use as Service Equipment” have been incorporated into the same exception appearing in two locations within this section. The revision clarifies that the separately derived system source must be an integral component of the equipment and not located in a separate enclosure. Copyright NECA 2013 9/28/13 21 9/28/13 Courtesy of Schneider Electric Copyright NECA 2013 64 9/28/13 250.32(B)(1) Exception No. 2 65 Proposal 5-244c The new exception applies if two system bonding jumpers are installed in accordance with 250.30(A) (1) Exception No. 2. A system bonding jumper is permitted to be installed at both locations if doing so does not create a parallel path for system grounded conductor current. 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 66 9/28/13 22 9/28/13 250.64(B) Protection for GEC 67 A new last sentence has been added to 250.64(B). The requirements in 300.5 for underground installations do not apply to buried grounding electrode conductors or bonding jumpers of the grounding electrode system. Chapter 3 wiring methods that contain grounding electrode conductors must comply with 300.5. 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 68 9/28/13 Section 250.102(C) – New Table 69 Proposal 5-42, Comment 5-56 New table provides minimum sizes for other than grounding electrode conductors bonding jumpers for the grounding electrode system Provides minimum sizing of line-side bonding jumpers, grounded conductors, main bonding jumpers, system bonding jumpers. Copyright NECA 2013 9/28/13 23 9/28/13 Copyright NECA 2013 70 9/28/13 Section 250.166 Grounding Electrode Conductor 71 Proposal 5-222 Revised to clarify maximum sizes required for GEC of DC systems. The maximum size required for grounding electrode conductors installed for DC systems to comply with 250.166 and not required to larger than 3/0 copper or 250 kcmil aluminum. (maximum in Table 250.66) 9/28/13 Copyright NECA 2013 Copyright NECA 2013 72 9/28/13 24 9/28/13 Section 250.167 DC Ground Fault Detection 73 Proposal 5-233 New requirements for ground fault detection on DC systems. Requirements address grounded systems, ungrounded systems, and marking rules for each. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 Courtesy of PDE Total74 Energy Solutions 9/28/13 250.186 Ground Fault Current Path 75 Proposal 5-234 For grounded systems, a grounded conductor must be installed and routed with the ungrounded conductors to each service disconnecting means. For ungrounded systems, a supply-side bonding jumper must be installed and routed with the ungrounded conductors to each service disconnecting means. Copyright NECA 2013 9/28/13 25 9/28/13 Copyright NECA 2013 Courtesy of Schneider Electric 76 9/28/13 Section 250.194 Grounding and Bonding of Fences and Other Metal Structures 77 Proposal 5-241 New section added to Article 250, Part X. Includes new rules for bonding and grounding fences and other metal structures around substations. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 78 9/28/13 26 9/28/13 Wiring Methods and Materials 79 CHAPTER 3 9/28/13 Copyright NECA 2013 Section 300.6(A)(1) Protected from Corrosion Solely by Enamel 80 Proposal 3-51 New informational note added to list item (1) New IN clarifies that field-cut threads are those not cut in the factory where the product is manufactured and listed 9/28/13 Copyright NECA 2013 81 Copyright NECA 2013 9/28/13 27 9/28/13 310.15(B)(3)(c) and Table 310.15(B)(3)(c) 82 Proposal 6-31, Comment 6-29 Revised to remove the term “circular raceways” and add the term “cables” Where conductors or cables installed in raceways or cables are exposed to direct sunlight on or above rooftops, the adjustments shown in Table 310.15(B) (3)(c) apply 9/28/13 Copyright NECA 2013 Copyright NECA 2013 83 9/28/13 310.15(B)(3)(c) Exception 84 Proposal 6-41, Comment 6-37 Ambient temperature correction factors in Table 310.15(B)(2)(a) or Table 310.15(B)(2)(b) do not apply to XHHW-2 insulated conductors in raceways and cables on or above rooftops and exposed to direct sunlight Performance testing by both General Cable and Underwriters Laboratories Copyright NECA 2013 9/28/13 28 9/28/13 © 2013 NJATC Copyright NECA 2013 85 9/28/13 Section and Table 310.15(B)(7) 86 Proposal 6-49a Deletion of Table 310.15(B)(7) and revision to Section 310.15(B)(7) Revision deletes the table and replaces it with a provision allowing a .83 reduction in ampacity for dwelling services and feeder conductors. The reduction is the same as what was permitted by former Table 310.15(B)(7) but presented in a user friendly format 9/28/13 Copyright NECA 2013 Copyright NECA 2013 87 9/28/13 29 9/28/13 Section 314.25 Covers and Canopies 88 Proposal 9-55 Revision clarifies that drywall screws are not permitted for used on box covers or other equipment fastened to the box. Cover and canopy screws need to be suitable for this purpose. Similar revisions included in Article 404 and 406. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 89 9/28/13 Section 330.30(D) Unsupported Cable 90 Proposal 7-31 New list item (3) added to this section New list item (3) permits MC cable to be installed unsupported in lengths not exceeding 3 feet for vibration reasons or flexibility Copyright NECA 2013 9/28/13 30 9/28/13 91 9/28/13 Copyright NECA 2013 Section 348.30(A) Exc. No. 4 92 Proposal 8-54 Revision to the exception for clarification Revision clarifies that flexible metal conduit fittings are permitted as a support means for the purpose of applying the exception 9/28/13 Copyright NECA 2013 Copyright NECA 2013 93 9/28/13 31 9/28/13 Section 376.22(B) Adjustment Factors 94 Proposal 8-137 Revision addresses the maximum of 30 current- carrying conductors Revision clarifies that the 30 conductor maximum before application of correction factors applies at any cross section of the wireway 9/28/13 Copyright NECA 2013 © 2013 NJATC 95 Copyright NECA 2013 9/28/13 Section 392.18(H) Marking 96 Proposal 8-179 New exception added to this section New exception relaxes the marking requirement (DANGER HIGH VOLTAGE KEEP AWAY) for industrial establishments with conditions of maintenance and supervision and qualified persons service the installation Copyright NECA 2013 9/28/13 32 9/28/13 Copyright NECA 2013 97 9/28/13 Article 393 Low Voltage Suspended Ceiling Power Distribution Systems 98 Proposal 18-10a New Article in Chapter 3 New article for low voltage DC equipment (lighting and power) connected to a ceiling grid built for this purpose. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 99 9/28/13 33 9/28/13 Equipment for General Use 100 CHAPTER 4 9/28/13 Copyright NECA 2013 Section 404.2(C) Switches – Lighting Loads 101 Proposal 9-89 As revised this section now relaxes the requirement where multiple switches controlling the same lighting load are installed in in the same area The grounded circuit conductor must be installed to only one of those switch box locations by the new exception Door jam switches in closets exempted 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 102 9/28/13 34 9/28/13 Section 406.3(E) Controlled Receptacle Marking 103 Proposal 18-15 New marking symbol required for receptacles controlled by an automatic control device or by an automatic energy management system. Change includes new Figure 406.3(E): 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 104 9/28/13 406.4(D) AFCI and GFCI Replacements 105 Proposal 18-18 Replacement AFCI and GFCI devices at outlets are required to be readily accessible. Courtesy Pass and Seymour Legrand Copyright NECA 2013 9/28/13 35 9/28/13 Section 406.5(E) Receptacles Installed in Countertops and Similar Work Surfaces 106 Proposal 18-32 Revision addresses receptacles installed in the face- up position in surfaces. Revision expands the restriction of receptacles installed in the face up position to all occupancies, not just dwellings. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 107 9/28/13 406.9(B)(1) Receptacle Outlet Hood Covers 108 Proposals 18-37, 18-38 The words “other than one- and two-family dwellings” have been removed from this section. Listed and identified “extra duty” receptacle covers (hoods) are required for all 15- and 20-ampere, 125and 250-volt receptacles installed in a wet location. Copyright NECA 2013 9/28/13 36 9/28/13 Copyright NECA 2013 109 9/28/13 Section 408.3(E) Phase Arrangement 110 Proposal 9-110 Section revised and in list format and adds DC system rules Revision places bus arrangements in a list format and incorporates a requirement for field-marking the bus arrangements for DC systems 9/28/13 Copyright NECA 2013 Copyright NECA 2013 111 9/28/13 37 9/28/13 408.55(C) Rear Wire-Bending Space 112 Proposals 9-130, 9-131 The section has been restructured into three subdivisions and expanded to address rear wirebending space in enclosures. Subdivision (C) includes new requirements for rear wire-bending spaces. 9/28/13 Copyright NECA 2013 Courtesy of Schneider Electric Copyright NECA 2013 113 9/28/13 Section 410.6 Listing Required 114 Proposal 18-59 Revision adds new listing requirements. Revision expands the listing requirement to retrofit kits for lampholders and luminaires. Similar revision to 600.3 covering electric signs and outline lighting systems. Copyright NECA 2013 9/28/13 38 9/28/13 Copyright NECA 2013 115 9/28/13 Section 410.10(F) Luminaires Installed in or Under Roof Decking 116 Proposal 18-66 New installation restrictions for luminaires New rule addresses protection for luminaires and restricts them from being installed within 1-1/2 inches of the lowest metal deck surface, similar to the rule in 300.4(E) 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 117 9/28/13 39 9/28/13 Section 422.23 Tire Inflation and Automotive Vacuum Machines 118 Proposal 17-31 Tire inflation equipment or vacuum machines for public use must be protected by ground-fault circuitinterrupter (GFCI) protection for personnel. The GFCI protection (circuit breaker or outlet device) is required to be readily accessible. 9/28/13 Copyright NECA 2013 119 Copyright NECA 2013 9/28/13 424.66(B) Limited Access 120 Proposal 17-75, Comment 17-19 A new subdivision (B) titled “Limited Access” has been added to 424.66. The width and depth of working space in 110.26 is required in front of duct heater enclosures containing equipment that requires servicing while energized. Copyright NECA 2013 9/28/13 40 9/28/13 © 2013 NJATC 121 Copyright NECA 2013 9/28/13 Section 445.11 Marking 122 Proposal 13-10, 13-11 Revision requires a marking when the neutral of a generator is bonded to the generator frame. Revision requires specific information to be included on the generator (more than 15 KW) nameplate. Power factor, impedances, insulation system class, and time ratings. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 123 9/28/13 41 9/28/13 Section 445.20 GFCI Protection for Receptacles on Portable Generators 124 Proposal 13-19 New GFCI requirements for portable generator receptacles All 125-volt, single-phase, 15- 20-, and 30-ampere receptacle outlets, that are a part of a 15 kW or smaller, portable generator, must have ground-fault circuit interrupter protection for personnel integral to the generator or receptacle 9/28/13 Copyright NECA 2013 Copyright NECA 2013 125 9/28/13 Section 450.10(A) Grounding 126 Proposal 9-144 New provision incorporates specific requirements for installing an equipment grounding terminal bar in transformer enclosures but not on the vent screen portion. An exception addresses transformers with pigtail leads used as the connection means. Copyright NECA 2013 9/28/13 42 9/28/13 Copyright NECA 2013 127 9/28/13 Section 480.8(C) Accessibility 128 Proposal 13-38 New rules requiring accessibility New section requires terminals and transparent battery containers required to be readily accessible 9/28/13 Copyright NECA 2013 129 Copyright NECA 2013 9/28/13 43 9/28/13 Special Occupancies 130 CHAPTER 5 9/28/13 Copyright NECA 2013 Figures 514.3(a) and 514.3(b) 131 Proposal 14-237 Note 2 following Table 514.3(B)(1) now refers to Figures 514.3(a) and (b). The existing Figure 514.3 would be replaced with Figures 8.3.2(a) and 8.2.3(b) from NFPA 30A. The revision results in consistency between NEC Article 514 and NFPA 30A. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 132 9/28/13 44 9/28/13 517.18(B) Patient Bed Location Receptacles 133 Proposal 15-36 This revision increases the minimum number of receptacles required from four to eight Aligns with NFPA 99 relative to the increases in quantity of receptacles and normal care patient bed locations 9/28/13 Copyright NECA 2013 134 Copyright NECA 2013 9/28/13 517.19(B) Patient Bed Location Receptacles 135 Proposal 15-39 The revision in subdivision (B) changes the required minimum number of receptacles from six to fourteen. List item (2) was revised by removing the term “emergency system” and replacing it with the term “critical branch.” It aligns with changes in NFPA 99-2012. Copyright NECA 2013 9/28/13 45 9/28/13 Copyright NECA 2013 136 9/28/13 517.19(C) Operating Room Receptacles 137 l Proposal 15-41 l The minimum number of receptacles required in an operating room is thirty-six of which at least twelve of the thirty-six receptacles must be connected to either the normal system branch or the critical system branch. l The grounding terminal of these receptacles must be connected to the reference grounding point by means of an insulated copper equipment grounding conductor. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 138 9/28/13 46 9/28/13 Special Equipment 139 CHAPTER 6 9/28/13 Copyright NECA 2013 Article 625 Electric Vehicle Charging and Supply Equipment Systems 140 Proposal 12-52 Has been renumbered and reorganized to provide a logical sequence and arrangement Clarification of cord-and-plug connected supply equipment in 625.44 Allowance of automatic load management systems to ensure service or source capacities are not exceeded as in 625.12. 9/28/13 Copyright NECA 2013 Level 2 DC Fast Charge L2 Courtesy of Eaton Corporation Copyright NECA 2013 141 9/28/13 47 9/28/13 625.41 Rating 142 Former 625.14 has been revised and relocated to 625.41 based on approved TIA 11-3 (SC 11-10-5/TIA 1038). A new last sentence that includes provisions for automatic load management systems has been added to 625.41. The maximum EVSE load on a service and feeder shall be the maximum load permitted by the automatic load management system. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 143 Courtesy of EVSE LLC 9/28/13 625.44 EVSE Connections 144 Proposal 12-52, Comment 12-31, TIA 1037 Subdivision (A) covers cord-connected 125-volt electric vehicle supply equipment and (B) covers all others. The revision clarifies that Level 2 EVSE is permitted to be direct wired or cord- and plug-connected in accordance with 625.17(B)(1) through (4). Copyright NECA 2013 9/28/13 48 9/28/13 Courtesy of Leviton Mfg. Co. Copyright NECA 2013 145 9/28/13 690.12 Rapid Shutdown of PV Systems on Buildings 146 Proposal 4-253, Comment 4-153 PV system circuits installed on or in buildings must include a rapid shutdown function that controls specific conductors in accordance with 690.12(A) through (D). Controlled conductors shall be limited to no more than 30 volts and 240VA within 10 seconds of rapid shutdown. Voltage and power measured between any two conductors and between any conductor and ground. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 147 9/28/13 49 9/28/13 Article 690 Part X Electric Vehicle Charging 148 Proposal 4-331 A new Part X has been added to Article 690 and covers electric vehicle charging by PV systems. Part X includes general requirements and rules for the charging equipment. 9/28/13 Copyright NECA 2013 Copyright NECA 2013 149 9/28/13 Article 694 Wind Electric Systems 150 Proposal 4-345, 4-346 Article 694 now applies to all wind electric systems. Very few changes were necessary to adjust Article 694 to apply to all wind electric systems. In concert with this 2014 change, UL has developed new product standards (UL/ANSI 6141 and UL/ ANSI 6142) applicable to wind electric systems. Copyright NECA 2013 9/28/13 50 9/28/13 Copyright NECA 2013 151 9/28/13 Special Conditions 152 CHAPTER 7 9/28/13 Copyright NECA 2013 700.8 Surge Protection 153 Proposal 13-98, Comment 13-69 Voltage surge protective devices (SPD’s) are required to be installed for all switchboards and panelboards of emergency systems. These surge protection devices and products must be listed. Copyright NECA 2013 9/28/13 51 9/28/13 154 Copyright NECA 2013 Courtesy of Eaton Cooper Bussmann 9/28/13 700.12(F)(2)(3) Exception 155 Proposal 13-116 The exception permitting unit equipment supplied by three or more normal circuits no longer permits multiwire branch circuits to serve the area. Prohibiting multiwire branch circuits in these specific instances provides additional safety during loss of normal lighting. 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 156 9/28/13 52 9/28/13 700.19 Multiwire Branch Circuits 157 Proposal 13-118 This new section titled “Multiwire Branch Circuits”, restricts branch circuits for emergency power or lighting from being part of a multiwire branch circuit. It reduces the possibility of loss of power to one or more emergency circuit due to the simultaneous disconnecting means provisions contained in 210.4(B). 9/28/13 Copyright NECA 2013 © 2013 NJATC Copyright NECA 2013 158 9/28/13 Article 728 Fire Resistive Cable Systems 159 Proposal 3-170, Comments 3-79, 3-83a, 3-83b New Article 728 Fire Restive Cable Systems provides the necessary information required for the proper installation of fire-rated cables. Precise installation requirements for fire resistive cables are critical component of egress and safety during a fire. Copyright NECA 2013 9/28/13 53 9/28/13 Copyright NECA 2013 Courtesy of VITALink MC Cable by RSCC Wire and Cable, LLC 160 9/28/13 Article 750 Energy Management Systems 161 Proposal 13-180 New article is titled “Energy Management Systems” and includes definitions, requirements for alternate power sources, load management provisions, and field marking requirements. Energy codes typically include performance requirements for managing and conserving energy in buildings or structures. 9/28/13 Copyright NECA 2013 Courtesy of Schneider Electric Copyright NECA 2013 162 9/28/13 54 9/28/13 Annex J ADA Standards for Accessible Design 163 Proposal 1-191a New Annex J added to the NEC (informative annex) Annex J addresses usability and provides information about ADA electrical device mounting heights and so forth 9/28/13 Copyright NECA 2013 Copyright NECA 2013 164 9/28/13 Summary 165 Significant changes have been accepted for the 2014 NEC Obtain copies of the 2014 NEC and Reports on Proposals (ROP) and Report on Comments (ROC) from NFPA. Significant Changes to the 2014 NEC textbook available at NJATC. Copyright NECA 2013 9/28/13 55 9/28/13 Significant Changes in the 2014 NEC® 166 MICHAEL J. JOHNSTON EXECUTIVE DIRECTOR STANDARDS AND SAFETY – NECA NEC CORRELATING COMMITTEE - NFPA Copyright NECA 2013 9/28/13 56