IEC 60838-1:20 6+A1:2017+A2:2020适用于用于内置的各种类型的灯座（与附件A中列出的通用光源、投影灯、泛光灯和带帽的路灯一起使用）以及用于确定灯座中灯具安全使用的测试方法。本第五版取消并取代了2004年出版的第四版、修正案1:20 08和修正案2:20 11。本版构成技术修订版。与上一版本相比，本版本的重大技术变化包括引入了单触点和双触点点火电压、钢制测试帽和黄铜测试帽的新要求或修订要求，以及附录E列出了要求产品重新测试的修订要求/条款。该合并版本由第五版（2016年）、修正案1（2017年）和修正案2（2020年）组成。因此，除了本出版物之外，没有必要下令进行修订。

IEC 60838-1:2016+A1:2017+A2:2020 applies to lampholders of miscellaneous types intended for building-in (to be used with general purpose light sources, projection lamps, floodlighting lamps and street-lighting lamps with caps as listed in Annex A) and the methods of test to be used in determining the safe use of lamps in lampholders. This fifth edition cancels and replaces the fourth edition published in 2004, Amendment 1:2008 and Amendment 2:2011. This edition constitutes a technical revision. The significant technical changes in this edition with respect to the previous edition include the introduction of new or revised requirements for single and dual contact ignition voltages, steel test caps and brass test caps and an Annex E listing amended requirements/clauses which require products to be retested. This consolidated version consists of the fifth edition (2016), its amendment 1 (2017) and its amendment 2 (2020). Therefore, no need to order amendments in addition to this publication.