Talk:Electrical equipment in hazardous areas

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Unsigned, undated comment

I am an Electrical Engineer working in the Chemical Industry. The article below is drawn up from my experience in the Chemical Refinery business and is not copy written in any way. I have completed several lectures on this subject and am willing to expand this article.

Anonymous comment 2008 September

Dear all Ineed to know what minimum concentration of gas specifics ( e.g G IIA) and how much area covers the Zone 1. How do you calcualte Zone 0-1-2 that what is flammabale gas present for longer period? —Preceding unsigned comment added by 210.56.14.203 (talk) 05:40, 1 September 2008 (UTC)[reply]

VFD notification

This article was nominated for Articles for deletion on 26 August 2005. The result of the discussion was to keep the article but to request that it be cleaned up. A record of the discussion can be found here. Tomer ^TALK 07:22, September 1, 2005 (UTC)

IP Code

Hi thanks for these information. What does the I and the P from IP means? What are the current IP values used (I know only IP64)?

See http://wiki.riteme.site/wiki/IP_Code

Ineed to know what minimum concentration of gas specifics ( e.g G IIA) and how much area covers the Zone 1 I work in a Gas Plant where different equipment are installed —Preceding unsigned comment added by 210.56.14.203 (talk) 05:32, 1 September 2008 (UTC)[reply]

Rewrite needed

I've started with a first stab at rewriting the introduction. This needs a history section, starting with coal mines. Origins of national standards? We need references. All the trainspotting minutia should be put into tables and referenced. General copyediting to generalize the text. this needs description of approved wiring methods such as [mineral insulated]] cable. A bit of discussion of the physics of electrically-initiated explosions would make the rest of the article clearer and less of a dump from a manufactuer's catalog appendix. More Wikilinks and removal of redundant text to linked articles as needed. And so on. I have a little bit of knowledge in the area, so I'll press on to the limits of my ignorance. --Wtshymanski (talk) 03:02, 26 August 2009 (UTC)[reply]

Expanding on ANSI requirements

I am an electrical engineer in the Chemical Industry working for 35 years at one of the larges chemical companies on the world. I am a listed expert within our corporation and limited involvement in the National Standards developing bodies. I offer my contribution to expand the ANSI requirement and help with understanding the current state of art. —Preceding unsigned comment added by 64.91.219.103 (talk) 18:14, 17 April 2010 (UTC)[reply]

Agreed. Most of the article focuses on IEC/EN, and more information on OSHA and NFPA will be helpful. Dagordon01 (talk) 15: 21, 16 November 2011 (UTC)

Expand this topic? It would be helpful if there was some discussion on which countries follow the EU/ATEX approach and which follow NFPA. China? Indonesia, etc

Suggest merge

HAZLOC is a stub and could be entirely covered by this article. --Wtshymanski (talk) 21:40, 14 October 2013 (UTC)[reply]

Agree, but having had a glance at HAZLOC unfortunately the classification systems differ, so HAZLOC will need to be kept in its own section to avoid confusion.

Gravuritas (talk) 06:53, 15 October 2013 (UTC)[reply]

Changes in Canadian Code

Canada is moving away from the Class 1 Div II nomenclature as of CEC 2015. 09:42, 1 September 2016 (PDT) — Preceding unsigned comment added by 69.196.67.250 (talk)

Differences between NEC (US) and IEC (Rest-of-World) definitions & terminology.

Users of this page should be aware that individual contributors may show unintentional bias, related to their operational background being either US-influenced or European-influenced. This page demonstrates no preference for either protection scheme, other than to advise any end-user or designer to be aware of the requirements of the "Authority Having Jurisdiction" in the intended location. For example, Singapore and Australia/New Zealand mandate that the approval scheme for electrical equipment in hazardous areas within their jurisdictions shall be based on IECEx. — Preceding unsigned comment added by Moneill377 (talk • contribs) 15:44, 10 April 2017 (UTC)[reply]