LED灯泡中的UL手指测试
如题，当用UL手指来检查是否可以碰到带电部件的时候，是否需要施加一点的力？我在UL1993上面没有看到说要施加力。
小家电产品好像是需要施加0.5磅的力。 看UL目击工程师测试，是正常使用情况下的力，不止0.5磅。 给个标准明确说明力度的问题的章节参考。
备注：Figures 7.1就是UL手指。
7.4.3 The probes mentioned in 7.4.1 and 7.4.2 and illustrated in Figures 7.1 – 7.4 shall be applied to any
depth that the opening will permit; and shall be rotated or angled before, during, and after insertion
through the opening to any position that is necessary to examine the enclosure. The probes illustrated in
Figures 7.1 and 7.3 shall be applied in any possible configuration; and, if necessary, the configuration
shall be changed after insertion through the opening.
7.4.4 The probes mentioned in 7.4.1 and 7.4.2 shall be used as measuring instruments to judge the
accessibility provided by an opening, and not as instruments to judge the strength of a material; they shall
be applied with the minimum force necessary to determine accessibility.
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