of Current NEC. • https://www.nfpa.org/catalog/services/Login/login2.asp?npg= http%3A%. 2F%2Fwww%2Enfpa%2Eorg%2Fonlinepreview%2Fonline% 5Fpreview. %5F...
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20.1.2.3 Scenery and stage properties not separated from the audience by proscenium opening protection shall be of noncombustible materials, limited-combustible
NFPA 72 National Fire Alarm Code® 1999 Edition
Substantiation: This TIA will result in changes to Subparagraph 7.2.3.1.2, addition of a new Subparagraph 7.2.3.1.3 and changes to Table C.1(a) of NFPA 69-2014
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Online Version of Current NEC • https://www.nfpa.org/catalog/services/Login/login2.asp?npg=http%3A% 2F%2Fwww%2Enfpa%2Eorg%2Fonlinepreview%2Fonline%5Fpreview %5Fdocument%2Easp%3Fid%3D7011SB • Read only access. • Sign in using your NFPA membership account, or • Register with NFPA for free access.
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NEC 2014 • Possible ROP Code Panel Actions: • • • • • •
Accept Reject Accept in Part Accept in Principal Accept in Principal in Part Hold
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Code Panel Evaluation of Proposals • Is it complete, clear & concise • Is it in legislative format clearly showing the suggested change • Is the substantiation valid (injury/death data, fact-finding research) • Is the correct code section/paragraph identified • Does it improve clarity and usability • Does it comply with the NFPA Regulations Governing Committee projects Confidential
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Proposals Considered by Panel 18 for NEC 2014
Panel 18 addressed 139 proposals 43 directly related to lighting 32 of the lighting related proposals were rejected
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New Article 393 Low-Voltage Suspended Ceiling Power Distribution Systems This new article covers the installation of low voltage suspended ceiling power distribution systems. Listed System or field assembly of listed parts Class-2 power supply and Chapter 9 power limits. 30 V (AC) or 60 V (DC) maximum Indoor dry locations only 20 A maximum input to power supply Secondary conductors min 18 AWG An exception allows for 24 AWG secondary wiring when enclosed & not subject to movement. Minimum16 AWG feed bus Disconnect & Back feed protection required Confidential
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Emerge Alliance
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Emerge Alliance • Class-2 ceiling grid distribution system by Armstrong World Industries
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New Article 393 Low-Voltage Suspended Ceiling Power Distribution Systems Restrictions: General & critical patient care areas in hospitals as defined in Article 517 Outdoor or Damp/Wet locations. Hazardous locations Part of a fire rated construction unless specifically listed as part of that assembly In concealed locations Where subject to physical damage or corrosive fumes or vapors (storage battery rooms)
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Article 411
Substantial rewrite of Article 411: • “Lighting Equipment Connected to Class-2 Power Sources” will be added to the scope. • Article 411 will be correlated to article 725 to better address class 2 DC voltages above 30V (which are being used more frequently with LED systems). • Class-2 products will not be required to be listed as systems but may be a field assembly of listed products
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Low Voltage Lighting – Article 411 Article 411
Low voltage systems rated 30 V, 25 A maximum.
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Class-2 systems LED & low voltage lighting
Landscape & openconductor (cable systems).
UP to 60 V DC
Listed to UL2108 as systems.
Listed as UL2108 systems or to other standards as separate products.
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Low Voltage Lighting – Article 411
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Combustible Material Around Junction Boxes
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UL1598 Current Requirement
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410.23 This change will modify 410.23 to correlate with UL1598. “Covering of Combustible Material at Outlet Boxes. Any combustible wall or ceiling finish exposed between the edge of a luminaire canopy or pan and an outlet box, having a surface area of 1160 mm2 (180 in2) or more, shall be covered with noncombustible material.
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Luminaire Canopies
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Proposal 18-68
• A proposal to add a sentence to 410.20 and require volume marking of canopies was accepted in principle. The panel rewrote the proposed text to allow the marking to be optional: “Only canopies marked with an internal volume shall be included in the total box volume calculation”. • THIS PROPOSAL WAS WITHDRAWN & 2011 CODE LANGUAGE WILL CARRY THROUGH
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Metal Roof Decking
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Luminaires Installed Below Metal Roof Decking
• A proposal to require luminaires be spaced a minimum of 1 ½” below metal-corrugated sheet roof decking to prevent damage to the luminaires from roof fasteners was accepted in part • An informational note already covered in 300.4(E) was rejected. • If Adopted, this will be item (F) added to 410.10.
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Luminaires Installed Below Metal Roof Decking
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Track Lighting Feeder & Load Calculation
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Track Lighting Feeder & Load Calculation
410.151(B) Connected Load. The connected load on lighting track shall not exceed the rating of the track. Lighting track shall be supplied by a branch circuit having a rating not more than that of the track. The load calculation in 220.43(B) shall not be required to limit the length of track on a single branch circuit, and shall not be required to limit the number of luminaires on a single track. •The addition was an informational note (non-normative), moving it into 220.43(B) makes it mandatory.
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Retrofit Kits 410.6 Listing Required. All luminaires and lampholders and retrofit kits shall be listed. •Classification is a form of Listing. •A definition of retrofit kit is being added to Article 100, since retrofit kits are not unique to luminaires, the definition is not restricted to lighting products: Retrofit Kit. A general term for a complete subassembly of parts and devices for field conversion of utilization equipment.
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Ballast Disconnects Section 410.130(G)(1) Exception No. 4 • During the proposal stage, the panel rejected multiple proposals to eliminate 410.130 Exception No. 4. This exception eliminates ballast disconnect requirements in industrial establishments where only qualified persons are allowed to service the luminaires following written procedures. • During the comment phase, this rejection was reversed. 9/2 vote
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AFCI Immunity • Two proposals that if adopted would require luminaires, power supplies and lamps that comply with FCC Part 15 or Part 18 limits for nonconsumer equipment to be labeled “Not for use in dwellings”. • The submitters claimed that empirical field data shows lighting equipment cause nuisance tripping of Arc-Fault Circuit-Interrupters. • These proposals were rejected by the Panel 18 due to inconsistencies in the statement of problem and substantiation. • UL1699, the standard for AFCIs needs improvement to assure immunity to lighting equipment as well as many other common devices.
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Next Steps
• The ROP & ROC can be downloaded from NFPA at http://www.nfpa.org on or after 7/13/2012. •
