IEC 60695-6-2:20 18总结了评估烟雾遮蔽的常用测试方法。它简要总结了常用的静态和动态测试方法，无论是国际标准还是国家或行业标准。它包括对它们与电工产品及其材料以及火灾场景的相关性的特别观察，并给出了它们的使用建议。 本基本安全出版物主要供技术委员会根据IEC指南104和ISO/IEC指南51中规定的原则编写标准时使用。它不适合制造商或认证机构使用。 根据IEC指南104和ISO/IEC指南51，它具有基本安全出版物的地位。 本标准应与IEC 60695-6-1. 本标准取消并取代2011年发布的IEC 60695-6-2。这第二版构成技术修订。 与上一版相比，此版本包括以下重大技术变更: a)更新导言； b)更新的规范性参考文献； c)4.1中的新案文； d）删除对IEC 60695-6-30和-31的引用（撤回） e)关于ISO 5659-2的更新； (f)？删除对BS 6853和CEI 20-37-3（已取代）的引用； g)删除对ISO/TR 5924的引用(撤回)； h)关于EN 50399的更新文本； i)？关于ISO 5660-1的更新文本； j）？增加新的第7.5款 k)删除附件B； l）？删除附件E； m)附加参考书目。 关键词:火灾隐患、烟雾遮挡

IEC 60695-6-2:2018 provides a summary of commonly used test methods for the assessment of smoke obscuration. It presents a brief summary of static and dynamic test methods in common use, either as international standards or national or industry standards. It includes special observations on their relevance to electrotechnical products and their materials and to fire scenarios, and gives recommendations on their use.
This basic safety publication is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and ISO/IEC Guide 51. It is not intended for use by manufacturers or certification bodies.
It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51.
This standard is to be used in conjunction with IEC 60695-6-1.
This standard cancels and replaces IEC 60695-6-2 published in 2011. This second edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) updated introduction;
b) updated normative references;
c) new text in 4.1;
d) deletion of references to IEC 60695-6-30 and -31 (withdrawn)
e) updates with respect to ISO 5659-2;
f)？ deletion of references to BS 6853 and CEI 20-37-3 (superseded);
g) deletion of references to ISO/TR 5924 (withdrawn);
h) updated text with respect to EN 50399;
i)？ updated text with respect to ISO 5660-1;
j)？ addition of new Subclause 7.5
k) deletion of Annex B;
l)？ deletion of Annex E;
m) additional bibliographic references.
Key words: Fire Hazard, Smoke Obscuration