lanxiao0493 发表于 2010-8-13 09:45

各位：UL498标准已经更新！

收到UL的邮件，UL498标准已经更新，更新日期：APRIL 6, 2010 − UL 498

reborn 发表于 2010-8-13 10:03

那请问更新的标准和原来差多少呢？？新标准现在有没有，可以分享一下吗

lanxiao0493 发表于 2010-8-13 10:09

标准我已经下载了，可发现每一页都有我和公司的名字，不敢上传

lanxiao0493 发表于 2010-8-13 10:28

8.2 Flammability
8.2.1 A polymeric material used for electrical insulation or enclosure of live parts shall have a flame class
rating of HB, V-2, V-1, V-0, VTM-2, VTM-1, or VTM-0 in accordance with the requirements of the Standard
for Tests for Flammability of Plastic Materials for Parts in Devices and Appliances, UL 94. The flame class
rating of the material shall be judged at the minimum thickness employed at the walls and barriers in the
device which are critical to the functioning of the insulation or enclosure of the device.
Exception No. 1: Insulating materials employed in a self-contained receptacle shall instead comply with
40.1.
Exception No. 2: A polymeric material that complies with either the 12 mm or 20 mm (3/4-inch) flame
flammability test described in UL 746C, need not have a flammability class rating.
8.2.1 revised April 6, 2010

wwwabcd 发表于 2010-8-13 10:29

请问在插座方面有什么大的变化?

lampholder 发表于 2012-6-27 19:30

請教一下，UL498標準量規哪里可以買到？
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