Swansea Consulting   Toronto, Canada

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Manufacturers of Ex- equipment

offering further technical information on zone classification of hazardous areas

• Adalet
• Akron Electric, Hazardous Classification - Electronic Primer
• Allen-Bradley
• Appleton Tech: IEC or NEC and Appleton: Hazardous Location Primer
• ATEX - Explosionsschutz GmbH, Germany
• BARTEC, Principles of Explosion Protection.
• Bebco Industries Purging and Pressurization Systems, "EX" HVAC & Custom Enclosures
• Bently Nevada  - Applications Note: Installation of Electrical Equipment in Hazardous Areas.
• Cortem
• Crouse-Hinds also  CEAG (and technical info. on Intrinsically Safe Products - select 'RESOURCES').
• Electrical Products Marketing, Inc.  - Houston, Texas.  "Tech. Stuff" information page.
• Ex Industries also a Hazardous Location Forum via the main page.
• FEEL  Flameproof Electrical Enclosures Limited (UK)  Series 9000  EEx-e, Series 3000C EEx-d II C T6 (FEEL UK web page.)
• Guardian Telecom Inc., Explosion Proof Telephones.
• Hawke Glands.
• Killark also Killark faqs (frequently asked questions) and (Killark 1997 faqs.)
• Measurement Technology Ltd (MTL) - including ATEX and IS training courses.
• Pepperl+Fuchs Canada, Inc. also P+F General Technical References
• R. Stahl, Inc.  also I.S  1 with article on I:S. 1 and Remote I/O for hazardous areas.
• Raychem HTS - Heating Cables with excellent 62 page (pdf) design guide for heating cables in Division 1. (Now see Tyco Thermal Controls )
• Redapt
• RUFFNECK Heaters Calgary, Alberta, Canada. Useful definitions, including MIC: Minimum Igniting Current, MESG: Maximum Experimental Safe Gap etc.
• Setra - Application note - transducers and electrical equipment in areas defined as hazardous.
• SourceIEC, Texas, for IEC Hazardous Location products including Cable Glands, Lighting Enclosures and Accessories suitable for Zone 1 & 2 locations, and Non EX products like IEC Motor Control products, Switchgear, Cable Tray and Accessories.
• thuba AG a service centre for explosion protection and emergency lighting systems.
• Tyco Thermal Controls including Heat Tracing products and services such as: Raychem, Pyrotenax, Tracer, Isopad and Thorin & Thorin.
• Vantage Technology
• Victor Products
• Wago Cage Clamps
• Western Electric also Western Electric - IEC definitions
• Wirac Automation Limited U.K. with information on the European Machinery Directive (EMD) and some notes on Hazardous Area Installations.

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