UL 651 BULLETIN-2012
UL Standard for Safety Schedule 40@ 80@ Type EB and A Rigid PVC Conduit and Fittings (COMMENTS DUE: FEBRUARY 20@ 2012)

Standard No.

UL 651 BULLETIN-2012

Release Date

2012

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2014-02

Replace By

UL 651 BULLETIN-2014

Latest

UL 651-2022

Scope

"General These requirements cover Schedule 40@ Schedule 80@ Type EB and Type A extruded rigid PVC (polyvinyl chloride) electrical conduit and fittings. These requirements also cover elbows@ couplings@ adapters@ expansion joints@ and similar fittings that are constructed of rigid PVC. The designations ""Schedule 40""@ ""Schedule 80""@ ""Type EB""@ ""Type A"" refer to USA trade sizes of conduit having iron pipe-size outside diameters and specific wall thicknesses. Couplings@ adapters@ expansion joints@ and similar fittings are intended to be used with Schedule 40@ Schedule 80@ Type EB and Type A rigid PVC conduit@ elbows@ in accordance with the National Electrical Code (NEC)@ NFPA 70. Rigid PVC conduit and fittings covered in these requirements are intended for use as rigid nonmetallic raceway for wires and cables in accordance with the National Electrical Code (NEC)@ NFPA 70. Conduit bodies (pull boxes) and covers@ flush-device boxes and covers@ and outlet boxes and covers that are constructed of rigid PVC or another nonmetallic material and are for use with the rigid PVC conduit and fittings covered in these requirements are covered separately in the Standard for Nonmetallic Outlet Boxes@ Flush-Device Boxes@ and Covers@ UL 514C. Rigid PVC conduit and fittings covered in these requirements are intended to be joined to each other and to rigid PVC boxes@ conduit bodies@ and fittings in the field by means of a cement that is or contains a solvent for polyvinyl chloride. Unless the wording of a requirement that applies to rigid PVC conduit and fittings specifically limits the requirement to Schedule 40@ Schedule 80@ Type EB or to Type A@ each such requirement in this standard applies to all types. Reinforced thermosetting resin conduit and associated fittings are covered separately in the Standard for Aboveground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings@ UL 2515 and the Standard for Belowground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings@ UL 2420."

UL 651 BULLETIN-2012 history

• 1970 UL 651-2022 Schedule 40 and 80 rigid PVC conduit and Fittings
• 2019 UL 651 BULLETIN-2019 UL Standard for Safety Schedule 40@ 80@ Type EB and A Rigid PVC Conduit and Fittings (COMMENTS DUE: August 26@ 2019)
• 2018 UL 651 BULLETIN-2018 UL Standard for Safety Schedule 40@ 80@ Type EB and A Rigid PVC Conduit and Fittings (COMMENTS DUE: May 11@ 2018)
• 2014 UL 651 CRD-2014 UL Standard for Safety Schedule 40@ 80@ Type EB and A Rigid PVC Conduit and Fittings - Section/Paragraph Reference: Paragraphs 1.1.1@ 1.2.5@ 5.1.1@ 5.4. 5.4.1@ 5.4.1.1@ 5.4.1.2@ 5.4.1.3@ 5.4.2@ 5.4.3 and 9.2.4; Sections 7.4 and 7.5; Table 7.4; Figure 7.6
• 2014 UL 651 BULLETIN-2014 UL Standard for Safety Schedule 40@ 80@ Type EB and A Rigid PVC Conduit and Fittings (COMMENTS DUE: MARCH 31@ 2014)
• 2012 UL 651 BULLETIN-2012 UL Standard for Safety Schedule 40@ 80@ Type EB and A Rigid PVC Conduit and Fittings (COMMENTS DUE: FEBRUARY 20@ 2012)
• 2011 UL 651 BULLETIN-2011 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (COMMENTS DUE: JULY 11@ 2011)
• 2011 UL 651-2011 Schedule 40, 80, Type EB and A rigid PVC conduit and fittings
• 2009 UL 651 BULLETIN-2009 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (COMMENTS DUE: NOVEMBER 12@ 2009)
• 2008 UL 651 BULLETIN-2008 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (COMMENTS DUE: JANUARY 31@ 2008)
• 2007 UL 651 BULLETIN-2007 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (COMMENTS DUE: APRIL 23@ 2007)
• 2006 UL 651 BULLETINS-2006 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (10/06/2006 (2p); 07/28/2006 (4p); 05/12/2006 (4p))
• 2005 UL 651 BULLETIN-2005 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings
• 2005 UL 651-2005 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (Seventh Edition; Reprint with revisions through and including March 11@ 2010)
• 2004 UL 651 BULLETINS-2004 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit and Fittings (06/25/2004 (4p); 03/19/2004 (36p))
• 2003 UL 651 BULLETINS-2003 12/19/2003 (4p); 4/4/2003 (8p)
• 1995 UL 651-1995 UL Standard for Safety Schedule 40 and 80 Rigid PVC Conduit (Sixth Edition; Reprint with Revisions Through and Including June 02@ 2005)
• 1989 UL 651-1989 Schedule 40 and 80 rigid PVC conduit