Specifies requirements for the design, construction and testing of rooms and enclosures of electrical equipment in which the entry of flammable gas or vapour is prevented by maintaining the air (or other non-flammable gas) within the room or enclosure at a specified pressure above that of the external atmosphere. Requirements for the use of pressurized rooms and enclosures in Class II, combustible dust areas are also included.RECONFIRMATION NOTICETechnical Committee EL-014 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 8 April 2013.The following are represented on Technical Committee EL-014:Australian Chamber of Commerce and IndustryAustralian Industry GroupAustralian Institute of PetroleumAustralian Petroleum Production and Exploration AssociationAustralian Pipeline Industry AssociationAviation and Marine Engineers AssociationBureau of Steel Manufacturers of AustraliaDepartment of Natural Resources and Mines, QLDDepartment of Trade and Investment, Regional Infrastructure and Services, NSWElectrical Compliance Testing AssociationElectrical Contractors Association of New ZealandEngineers AustraliaInstitute of Electrical InspectorsInstitution of Professional Engineers New ZealandMinistry of Business, Innovation and Employment (New Zealand)New Zealand Employers and Manufacturers Association (Central)WorkCover New South WalesTo view or download a copy of the reconfirmation notice please go to the reconfirmation link near the top of this page.