UL 60079-11 (ND)-2007
National Differences For UL 60079-11 Electrical Apparatus for Explosive Gas Atmospheres - Part 11: Intrinsic Safety ’i’ (Second Edition)

Standard No.

UL 60079-11 (ND)-2007

Release Date

2007

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2009-10

Replace By

UL 60079-11 BULLETIN-2007

Latest

UL 60079-11 BULLETIN-2018

Scope

This part of IEC 60079 specifies the construction and testing of intrinsically safe apparatus@ intended for use in potentially explosive atmospheres and for associated apparatus@ which is intended for connection to intrinsically safe circuits which enter such atmospheres. It also contains details of the test apparatus previously published as IEC 60079-3. This standard supplements IEC 60079-0:1998@ the requirements of which apply to intrinsically safe apparatus and to associated apparatus except as indicated in the following list. If associated apparatus is protected by a type of protection listed in IEC 60079-0 then the requirements of that method of protection together with the relevant parts of IEC 60079-0 also apply to the associated apparatus. The list of exclusions which follows is directly applicable to associated apparatus intended for use in situations where there is no potentially explosive atmosphere and in other circumstances should be used in combination with the requirements of the other methods of protection.This standard is applicable to electrical apparatus in which the electrical circuits themselves are incapable of causing an explosion in the surrounding explosive atmospheres. This standard is also applicable to electrical apparatus or parts of electrical apparatus located outside the potentially explosive atmosphere or protected by another type of protection listed in IEC 60079-0@ where the intrinsic safety of the electrical circuits in the potentially explosive atmosphere may depend upon the design and construction of such electrical apparatus or parts of such electrical apparatus. The electrical circuits exposed to the potentially explosive atmosphere are evaluated for use in such an atmosphere by applying this standard.

UL 60079-11 (ND)-2007 history

• 2018 UL 60079-11 BULLETIN-2018 "UL Standard for Safety Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: JUNE 4@ 2018)"
• 1970 UL 60079-11-2018 UL Standard for Safety Explosive Atmospheres �C Part 11: Equipment Protection by Intrinsic Safety "i"
• 2017 UL 60079-11 BULLETIN-2017 "UL Standard for Safety Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: JUNE 23@ 2017)"
• 2014 UL 60079-11 BULLETIN-2014 "UL Standard for Safety Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: FEBRUARY 24@ 2014)"
• 2013 UL 60079-11 BULLETIN-2013 "UL Standard for Safety Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: SEPTEMBER 16@ 2013)"
• 2013 UL 60079-11 (ND)-2013 National Differences For UL 60079-11 Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety ’i’ (Sixth Edition; Reprint with Revisions Through and Including September 06@ 2013)
• 2013 UL 60079-11-2013 UL Standard for Safety Explosive Atmospheres �C Part 11: Equipment Protection by Intrinsic Safety "i" (Sixth Edition; Reprint with Revisions Through and Including March 28@ 2014)
• 2012 UL 60079-11 BULLETIN-2012 "UL Standard for Safety Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: AUGUST 27@ 2012)"
• 2010 UL 60079-11 BULLETIN-2010 "UL Standard for Safety Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: January 03@ 2011)"
• 2009 UL 60079-11 (ND)-2009 National Differences For UL 60079-11 Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety ’i’ (Fifth Edition)
• 2007 UL 60079-11 BULLETIN-2007 "UL Standard for Safety for Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"" (COMMENTS DUE: August 06@ 2007)"
• 2007 UL 60079-11 (ND)-2007 National Differences For UL 60079-11 Electrical Apparatus for Explosive Gas Atmospheres - Part 11: Intrinsic Safety ’i’ (Second Edition)
• 2007 UL 60079-11-2007 Electrical apparatus for explosive gas atmospheres - Part 11: Intrinsic safety "i"
• 2006 UL 60079-11 BULLETIN-2006 "UL Standard for Safety Explosive Atmospheres – Part 11: Equipment Protection by Intrinsic Safety ""i"""
• 2003 UL 60079-11 BULLETINS-2003 4/18/2003 (6p); 1/23/2003 (6p)
• 2002 UL 60079-11-2002 "UL Standard for Safety Electrical Apparatus for Explosive Gas Atmospheres Part 11: Intrinsic Safety ""i"" (First Edition)"