爆炸性气体环境.第14部分:电气装置设计、选择和安装

[中文适用范围]： IEC 60079 系列的这一部分包含爆炸性环境中或与之相关的电气装置的设计、选择、安装和初始检查的具体要求。如果设备需要满足其他环境条件@例如@防水和耐腐蚀@可能需要额外的保护要求。本标准的要求仅适用于在 IEC 60079-0 定义的标准大气条件下使用设备。对于其他条件@可能需要采取额外的预防措施@并且设备应针对这些其他条件进行认证。例如，大多数易燃材料和许多通常被认为不易燃的材料可能在富氧条件下剧烈燃烧。注 1：IEC 60079-0 中定义的标准大气条件涉及大气的爆炸特性，而不是设备的工作范围，即温度：℃20 至 60℃。压力：80 kPa (0@8 bar) 至 110 kPa (1@1 bar)；以及具有正常氧含量@通常为 21 % v/v 的空气。这些要求是对非危险区域安装要求的补充。注 2：对于高达 1 000 V 交流或 1 500 V 直流的电压，本标准的要求基于 IEC 60364 系列@中的安装要求，但也可适用其他相关国家要求。本标准适用于所有电气设备，包括固定@便携式@可运输和个人@以及永久或临时装置。本标准不适用于易受沼气影响的矿井中的C电气装置；注3：本标准适用于可形成除沼气以外的爆炸性气体环境的矿井中的电气装置以及矿井地面装置中的电气装置。 ?C 固有爆炸性环境以及爆炸物或自燃物质产生的粉尘（例如爆炸物制造和加工）； ?用于医疗目的的C室； ?C 存在易燃烟雾危险区域的电气装置。注 4：附件 M 中提供了关于粉尘或飞沫与易燃气体或蒸气的混合混合物造成的危害要求的附加指导。本标准没有考虑与易燃气体、液体和粉尘相关的毒性风险。通常远低于爆炸下限的浓度。在人员可能接触潜在有毒浓度的易燃材料的地方，应采取适当的预防措施。此类预防措施不属于本标准的范围。 [外文原描述]： IEC 60079-14:2013 contains the specific requirements for the design, selection, erection and initial inspection of electrical installations in, or associated with, explosive atmospheres. Where the equipment is required to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional protection requirements may be necessary. The requirements of this standard apply only to the use of equipment under standard atmospheric conditions as defined in IEC 60079-0. For other conditions, additional precautions may be necessary, and the equipment should be certified for these other conditions. For example, most flammable materials and many materials which are normally regarded as non-flammable might burn vigorously under conditions of oxygen enrichment. These requirements are in addition to the requirements for installations in non-hazardous areas. This standard applies to all electrical equipment including fixed, portable, transportable and personal, and installations, permanent or temporary. No account is taken in this Standard of the toxic risks that are associated with flammable gases, liquids and dusts in concentrations that are usually very much less than the lower explosive limit. In locations where personnel may be exposed to potentially toxic concentrations of flammable material, appropriate precautions should be taken. Such precautions are outside the scope of this Standard. This fifth edition cancels and replaces the fourth edition published in 2007. This edition constitutes a technical revision. Refer to the document's Foreward for a listing of the specific revisions and additional Notes. Key words: requirements for the design, selection, erection and initial inspection of electrical installations in explosive atmospheres. The contents of the corrigendum of January 2016, the interpretation sheet 1 of February 2017 and March 2020 have been included in this copy.