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    NFPA 70 AMD 3-2014 National Electrical Code.pdf

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    NFPA 70 AMD 3-2014 National Electrical Code.pdf

    1、 Tentative Interim Amendment NFPA 70National Electrical Code2014 Edition Reference: Table 820.154(a) TIA 14-3 (SC 14-3-8/TIA Log #1120) Pursuant to Section 5 of the NFPA Regulations Governing the Development of NFPA Standards, the National Fire Protection Association has issued the following Tentati

    2、ve Interim Amendment to NFPA 70, National Electrical Code, 2014 edition. The TIA was processed by Code Making Panel 16 and the National Electrical Code Correlating Committee, and was issued by the Standards Council on March 3, 2014, with an effective date of March 23, 2014. A Tentative Interim Amend

    3、ment is tentative because it has not been processed through the entire standards-making procedures. It is interim because it is effective only between editions of the standard. A TIA automatically becomes a public input of the proponent for the next edition of the standard; as such, it then is subje

    4、ct to all of the procedures of the standards-making process. 1. Revise Table 820.154(a) as follows: Table 820.154(a) Applications of Listed Coaxial Cables in Buildings Applications Cable Type CATVP CATVR CATV CATVX In Specifically Fabricated Ducts as Described in 300.22(B) In fabricated ducts as des

    5、cribed in 300.22(B) Y* N N N In metal raceway that complies with 300.22(B) Y* Y* Y* Y* In Other Spaces Used for Environmental Air as Described in 300.22(C) In other spaces used for environmental air (plenums) as described in 300.22(C) Y* N N N In metal raceway that complies with 300.22(C) Y* Y* Y* Y

    6、* In plenum communications raceways Y* N N N In plenum cable routing assemblies NOT PERMITTED Supported by open metal cable trays Y* N N N Supported by solid bottom metal cable trays with solid metal covers Y* Y* Y* Y*In Risers In vertical runs Y* Y* N N In metal raceways Y* Y* Y* Y* In fireproof sh

    7、afts Y* Y* Y* Y* In plenum communications raceways Y* Y* N N In plenum cable routing assemblies Y* Y* N N In riser communications raceways Y* Y* N N In riser cable routing assemblies Y* Y* N N In one-and two- family dwellings Y* Y* Y* Y* Within Buildings in Other Than Air-Handling Spaces and Risers

    8、General Y* Y* Y* Y* In one- and two-family dwellings Y* Y* Y* Y* In multifamily dwellings Y* Y* Y* Y* In nonconcealed spaces Y* Y* Y* Y* Supported by cable trays Y* Y* Y* N In distributing frames and cross-connect arrays Y* Y* Y* N In any raceway recognized in Chapter 3 Y* Y* Y* Y* In plenum communi

    9、cations raceways Y* Y* Y* N In plenum cable routing assemblies Y* Y* Y* N In riser communications raceways Y* Y* Y* N In riser cable routing assemblies Y* Y* Y* N In general-purpose communications raceways Y* Y* Y* N In general-purpose cable routing assemblies Y* Y* Y* N Note: An N in the table indi

    10、cates that the cable type shall not be permitted to be installed in the application. A Y* indicates that the cable shall be permitted to be installed in the application, subject to the limitations described in 820.113. Informational Note 1: Part V of Article 820 covers installation methods within bu

    11、ildings. This table covers the applications of listed coaxial cables in buildings. The definition of point of entrance is in 820.2. Coaxial entrance cables that have not emerged from the rigid metal conduit (RMC) or intermediate metal conduit (IMC) are not considered to be in the building. Informati

    12、onal Note No. 2: For information on the restrictions to the installation of communications cables in fabricated ducts see 820.113(B). Informational Note No. 3: Cable routing assemblies are not addressed in NFPA-90A 2012, Standard for the Installation of Air Conditioning and Ventilation Systems. Issue Date: March 3, 2014 Effective Date: March 23, 2014 (Note: For further information on NFPA Codes and Standards, please see www.nfpa.org/codelist) Copyright 2014 All Rights Reserved NATIONAL FIRE PROTECTION ASSOCIATION


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