Hazardous Location Electrical Equipment News - links to Haz-Loc info sites: Swansea Consulting, Canada

Manufacturers of Ex- equipment, and others ..

offering further technical information on zone classification of hazardous areas and related topics

A B Controls and Technology Ltd. ABTECH have a poster which explains the various requirements and certificates relating to equipment intended to be employed in hazardous areas. They have extended their range of enclosures to include high voltage connection boxes (up to 35kV / 3000 Amps), high temperature junction boxes (up to 950ºC for 3 hours) and IP68 enclosures.
Adalet
Akron Electric, Hazardous Classification - Electronic Primer
Allen-Bradley
Appleton Tech: IEC or NEC and Appleton: Hazardous Location Primer
ATEX - Explosionsschutz GmbH, Germany
A.T.X. (part of EGS Electrical Group)
BARTEC, Principles of Explosion Protection.
Bebco Industries, includes shelters suitable for Hazardous (Classified) Areas
Bently Nevada - Applications Note: Installation of Electrical Equipment in Hazardous Areas.
CMP Products - including information on ATEX and a guide to hazardous areas.
Cortem
Crouse-Hinds also CEAG (and technical info. on Intrinsically Safe Products - select 'RESOURCES').
Dron & Dickson Ex Tables pages with notes on Selection Criteria, ATEX, Certification marks and more.

Ex Industries also hosts a Hazardous Location Forum
Explosion Research Ltd. provides "A must read for 'intrinsically safe' design engineers - MINIMUM SPARK IGNITION ENERGIES --- A MATHEMATICAL MODEL".
FEEL Flameproof Electrical Enclosures Limited (UK) Series 9000 EEx-e, Series 3000C EEx-d II C T6 (FEEL UK web page.)
F.E.S. (Ex) Limited FES is flexible; client focused and can provide logical solutions on a freelance, or partnership basis to your company or your clients.

FINE EX LAMPS Inc. Full service industrial electrical manufacturer's representative agency and importer based in East Setauket, New York.
Guardian Telecom Inc. Explosion Proof Telephones.
Hawke Glands.
Hazloc Heaters - Manufacturer of Industrial Unit Heaters for Hazardous and Severe-Duty Locations, Calgary, Alberta, Canada.
Hubbell (Killark) (see old Killark faqs (frequently asked questions) at Killark 1997 faqs.)
J.B. Systems Stockists and authorised assemblers for ATX ATX EExd Explosion Proof enclosures. Finished enclosures carry an LCIE/CENELEC certificate.
K-Controls Ltd., UK with switch selection of monitoring and control equipment information and more.
Measurement Technology Ltd (MTL) - including ATEX and IS training courses.
Pepperl+Fuchs
R. Stahl, Inc. also I.S.101 and article on I:S. also Remote I/O for hazardous areas.
Raychem HTS - Heating Cables with extensive handbook TraceCalc user guide including heating cables for Division 1. (Now see Tyco Thermal Controls)
Redapt - Thread conversion specialists, including information such as a Thread Dimensions Substitution Chart.
RUFFNECK Heaters Calgary, Alberta, Canada. Useful definitions, including MIC: Minimum Igniting Current, MESG: Maximum Experimental Safe Gap etc.
SIEMENS - Excellent 160 page handbook - Principles of Intrinsically-Safe Design; also Lithuanian Siemens (process instrumentation products).
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 including notes on aircraft hangar applications
Victor Products
Wago Cage Clamps

Walsall Ltd. - Walsall are the worldwide electrical control panel manufacturers, these customised control panels in enclosures are manufactured from cast iron, cast aluminium and cast stainless steel.