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          Engineering Bulletins

          Engineering bulletins are created to provide technical information addressing a specific issue related to a specific product or group of products, to interpretation of or explanation of policies or procedures, or other information somewhat outside the scope of a Standard.  

          Bulletin No.122,  icpdf  Copper-Clad Aluminum Conductor Requirements in the National Electrical Code, Approved Sept 2021

          Bulletin No. 120,  pdf Using Torque Tools for Terminating Building Wire, Approved March 2021

          Bulletin No. 121,  pdf Dissimilar Metals for Conduit and Tubing per the National Electrical Code, Approved January 2021

          Bulletin No. 119,  pdf Identification of Lighting Control Conductor Insulation, Approved April 2020

          Bulletin No. 118,  pdf  Flexible Conduits for Use in Plenums, Approved August 2020

          Bulletin No. 117, icpdfReinforced Thermosetting Resin Conduit (RTRC) and Fittings Installed on Rooftops, Approved Nov. 2019​

          Bulletin No. 116, icpdfTray Cable for use in Residential Applications, Approved Nov. 2019

          Bulletin No. 115, icpdfAllowable Locations for LFMC and LFNC in NFPA 130, Approved June 2019

          Bulletin No. 114, icpdfPVC Conduit on Rooftops, Approved June 2018

          Bulletin No. 113, icpdfAnnular Space Protection, Approved June 2018

          Bulletin No. 112,icpdfSelection and Installation of Type MC-PCS Cable, Approved Oct. 2017

          Bulletin No. 111,icpdfMagnet Wire Product Identification Numbering, Approved Dec. 2015

          Bulletin No. 110,icpdfDrain Openings in Boxes and Conduit Bodies Listed for Damp or Wet Locations, Approved Sep. 16, 2015 (Rev. March 2021)

          Bulletin No. 109,icpdfScrew Attachments to Electrical Boxes, Approved Feb. 5, 2015

          Bulletin No. 108,icpdfApplication of Flexible Conduit for Structural Joints, Approved Dec. 2014 (Rev. 4/2019)

          Bulletin No. 107,  icpdfInclusion of Alternate Metal Types for UL 360.pdfApproved June 2014 (Reaffirmed 11/19)

          Bulletin No. 106,icpdfApplications for MC Cable and NEMA WC, Approved February 2014

          Bulletin No. 105,  pdf  Fine-Stranded Cable Connections, Approved April 2012 (Rev 11/21)

          Bulletin No. 104, icpdfUse of Listed Flexible Metal Raceways.pdf​ Approved April 2012 ( Reaffirmed 11/19)

          Bulletin No. 103,icpdfPhotovoltaic Wiring Methods, Approved June 2015

          Bulletin No. 102, icpdf Building Wire and Cable Nationally Recognized Testing Laboratories, Approved January 2021

          Bulletin No. 101,icpdf Wiring Options for Protected Premises Fire Alarm Systems NFPA 72 Survivability Requirements, Approved December 2020

          Bulletin No. 100,icpdf Flexible Metal Conduit LFM Conduit NRTLs, Approve January 2021

          Bulletin No. 99, icpdfElecCable Type and DimensConsideration, Approved March 2010 (Rev 8/22/19)

          Bulletin No. 98,icpdfBuilding Wire and Cable and the LEED Rating System, Approved January 2010

          Bulletin No. 97,icpdfSteel Conduit and EMT-Proven to Meet the NEC Reg, Approved Mar. 2009 (Rev. 6/2015)

          Bulletin No. 96, icpdfUL and NEC Req for Corrosion Protectionof Galvanized Steel Conduit and Electrical Metallic Tubing, Approved August 2008 (Rev. 3/18)

          Bulletin No. 95,icpdfThermal Effects of Residential-Installed Type NM-B Cable,  Approved (Rev. 8/17).

          Bulletin No. 94,icpdfType NM-B Cable Jacket Color Coding for Conductor Size Idenification, Approved October 2006 (Rev. 10/12)

          Bulletin No. 93,  icpdfLengths Limitations for FMC and LFMC,​ Approved April 2006 (Reaffirmed 12/11, Rev. 2/14, Reaffirmed 11/19​).

          Bulletin No. 92,  icpdf Use of Type NM-B Cable for Wiring of Residential Lighting Fixtures, ​Approved December 2020

          Bulletin No. 91,  pdf  Termination of Bonding Strip on Type AC Cable, Approved August 2003 (Reaffirmed 12/11, 8/20).

          Bulletin No. 90,icpdfUse of Anti-Short Bushings for Terminating Type MC Cable,   Approved Aug 2002 (Reaffirmed 12/11/14).

          Bulletin No. 89,    icpdfNEMA Policy on the Adoption of the National Electrical Code  Approved March 1999 (Rev. 11/07)(Reaffirmed 8/18).

          Bulletin No. 88,  pdf  Phantom Voltages, Approved October 1998 (Rev. February 2003, Reaffirmed 12/11, Rev 8/20).

          Bulletin No. 84,icpdfFCC Regulations Applicable to NEMA Products, Approved August 2012.


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