An important part of safety procedure is the initial inspection. The significance of the changes between iec 600791, edition 7. Please agree to the use of cookies in order to proceed with. September 9, 2012 download iec 6007910electrical apparatus for explosive gas atmospherespart 10classification of hazardous areas pdf edit delete tags autopost. Installation, inspection and maintenance of electrical. Equipment protection by flameproof encl osures d this national standard is the identical implementation of ie c 600791. It is the fifth edition of isa6007911 and the fifth edition of ul 6007911. The equipment marking is to be in accordance with iec 60079 or the relevant standards to which it is constructed. Exmc302rm february 2006 minutes of buxton meeting 6, 7 october 2005.
The process of creating and modifying standards is slow because of the lengthy but. Summary of issues enclosure volume does not form a part of the assessment procedure for whether a barrier gland is required, whereas our investigation has confirmed that there is a clear correlation between. Explosive atmospheres are identified by the national electrical code, ansinfpa 70 as hazardous classified locations and include the following specified locations. Motors and drives in potentially explosive atmospheres. This document is a modification of the iec document and includes us deviations. En 6007910 iec 6007910 and selection, en 6007914 iec 6007914 etc. Survey of electrical equipment installed in 120 hazardous. Date isa6007911 ul 6007911 7 general notes this is the common isa and ul standard for explosive atmospheres part 11. Iec 6007914 reminds the users to carry out the inspection. Din en 60079102 201510 explosive atmospheres part 102. It is the intention of the isa sp12 committee to develop an ansi standard that is harmonized with iec 600790 to the fullest extent possible. The most common equipment protected by increased safety are transformers, motors, luminaires, cells, batteries, terminals and wires. It specifies requirements for pressurized enclosures containing a limited release of a flammable substance. Classification of areas, combustible dust atmospheres the selection and construction of electrical installations is defined by standard iecen 6007914.
This part of iec 60079 does not specify the methods that may be required to ensure adequate air quality for personnel with regard to toxicity and temperature within the room. Currently en 6007914 does not refer to categories so the protection code of the apparatus is used as listed in the standard or the category can be equated as being suitable for a specific zone as detailed in the directive. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays modern world. This part of iec 60079 supplements and modifies the general requirements of iec 600790, except as indicated in table 1. Classification of areas, explosive gas atmospheres iec en 60079 102. Oct 24, 2016 at the start of 2016 the british standards institution adopted the current iec standard for hazardous area classification for gases and vapours as bs en 60079 101. Normally, all ex equipment is to be marked with protection type, test institute and certificate number, maker, type, gas group and temperature class if applicable. Shockiec 60068242, basic environmental testing procedures. This standard supplements and modifies the general requirements of iec 60079 0. In this section, we explore the benefits of choosing iec and iso international standards. Classification of areas, combustible dust atmospheres the selection and construction of electrical installations is defined by standard iec en 60079 14. Iec 60064, tungsten filament lamps for domestic and similar general lighting purposes. Ul 600790 standard for explosive atmospheres part 0.
Vibration sinusoidal iec 60068227, environmental testing. Iec 6007914 should be immediately amended with the reinstatement of the assessment procedure used in iec 6007914. Increased safety ex e en 600797 atexxo manufacturing. En 60079 10 iec 60079 10 and selection, en 60079 14 iec 60079 14 etc. Those covering hazardous areas are created by a specific committee tc31 and its numerous subcommittees and form part of the iec 60079 series. Electrical equipment and ex components of type of protection increased safety e are either.
This standard supplements and modifies the general requirements of iec 600790. Legally binding document step out from the old to the newjawaharlal nehru. Classification of areas explosive dust atmospheres iec 60079102. For those categories of power transformers and reactors which have their own iec standards, this part is applicable only to the extent in which it is specifically called up by crossreference in the other standard. Please agree to the use of cookies in order to proceed with using our. This part of iec 60079 is concerned with the classification of areas where flammable gas or vapour or mist hazards see notes 1, 2 and 3 may arise and may then be used as a basis to support the proper selection and installation of equipment for use in a hazardous area. The world of iec 6007914 iec 6007914 is one of the most important international standard,specifying the requirements for. Hazardous area classification in the uk in 2016 where are.
Using and referencing iec and iso standards to support. With this in mind, the iec and iso invite policy makers to engage in dialogue with their national member bodies in. What parts of the specification are relevant and how can this be. Standards and certification for hazardous area instrumentation. This part of iec 60079 contains the specific requirements for the construction and testing of electrical apparatus with pressurized enclosures, of type of protection p, intended for use in explosive gas atmospheres. Equipment protection by increased safetye number of amendments. Headquartered in geneva, switzerland, iec standards reach over 150 countries. This part of iec 60079 document specifies the general requirements for construction, testing and marking of ex equipment and ex components intended for use in explosive atmospheres. Ex protection concepts electrical electrical symbol typical iec epl typical zones iec standard basic concept of protection increased safety e gb 1,2 iec 60079. Iec certification scheme for explosive atmospheres for rules and. It is intended to be applied where there may be an ignition hazard due to the presence of flammable gas or. The international electrotechnical commission iec is a worldwide organization for standardization comprising. Where a requirement of this standard conflicts with a.
Currently en 60079 14 does not refer to categories so the protection code of the apparatus is used as listed in the standard or the category can be equated as being suitable for a specific zone as detailed in the directive. Din en 60079101 201610 explosive atmospheres part 101. Or download the pdf of the directive or of the official. It is not appropriate for electronic components or sparking devices such as switches. Iec 60079 19 this is an international standard for the overhaul and repair of ex equipment, as is detailed above this standard has been developed from a code of practice for the overhaul of electrical equipment for use in explosive atmospheres the standard has 12 sections and 3 appendices. This part of iec 60079 supplements and modifies the general requirements of iec 60079 0, except as indicated in table 1. Performance requirements iec 6006826, environmental testing. Iec 6007919 this is an international standard for the overhaul and repair of ex equipment, as is detailed above this standard has been developed from a code of practice for the overhaul of electrical equipment for use in explosive atmospheres the standard has 12. This standard applies to electrical equipment where the rated voltage does not exceed 15 kv r.
Equipment protection by intrinsic safety i see other formats. The standard atmospheric conditions relating to the explosion characteristics of the atmosphere under which it may be assumed that ex equipment can be operated are. Eniec 6007910 classification of hazardous areas gas. Therefore iec 60079 14 should be immediately amended with the reinstatement of the assessment procedure used in iec 60079 14. Into the world of iec 6007914 expert electrical technologies. Classification of areas explosive gas atmospheres iec 60079101. Figure 17 example of cylindrical joint for shaft of rotating electrical machine. Using and referencing iec and iso standards to support public.
We use cookies to make our website more userfriendly and to continually improve it. Hazardous area classification in the uk in 2016 where. Zone hazardous location 33 introduction a major safety concern in industrial plants is the occurrence of fires and explosions. Of course, iec and iso international standards are not the only standards they have to choose from.
At the start of 2016 the british standards institution adopted the current iec standard for hazardous area classification for gases and vapours as bs en 60079101. Users should therefore print this publication using a colour printer. No other aspect of industrial safety receives more attention in the form of codes, standards, technical papers, and engineering design. Lighting and electrical equipment for use in hazardous. Bs en 600790 sets out the general electrical safety requirements for the construction, testing and marking of electrical equipment and components that are used in explosive atmospheres. Equipment protection by increased safety e bs en 600797. Classification of areas, explosive gas atmospheres iecen 60079102.
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