许多电器插头插脚上的孔，虽然曾经通过“卡扣”机制用于固定旧式插座中的插头，但如今主要服务于制造目的。这些孔允许工人在塑料模制过程中定位金属插脚，并用作安全锁。尽管美国保险商试验所（UL）修订了标准，以确保插座无需这些孔也能固定插头，但许多制造商出于生产便利性继续保留它们。 AI
排序理由 该集群讨论了一个常见物品的设计特征及其历史/当前用途，信息来源于一篇源文章。它不代表新发布、重大行业事件或研究。
AI 生成摘要 · Google Gemini · 来自 2 个来源。 我们如何撰写摘要 →
为什么电器插头插脚上有孔：制造便利性而非插座抓力
本文如何被排名
- Signal score
- 0 / 100
- Composite score across the factors below. Higher = stronger signal that this story matters right now.
- Newsworthiness bucket
- Commentary
- 该集群讨论了一个常见物品的设计特征及其历史/当前用途，信息来源于一篇源文章。它不代表新发布、重大行业事件或研究。
- Source corroboration
- 2 independent sources
- Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
- Topics
- other
- Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
- AI-industry relevance
- Low
- Off-topic or adjacent — cluster remains reachable but doesn't surface in AI-industry rankings.
- Story freshness
- 3 days old
- Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.
完整方法见我们的编辑标准。
报道来源 [2]
-
大多数电器插头插脚上有孔的原因
If you've ever looked at the end of a plug, you've probably wondered why some have holes, and some don't - and no, it's not actually a big conspiracy theory.
-
大多数电器插头插脚上有孔的原因 如果你仔细看过插头末端，你可能想知道为什么有些有孔，有些没有
The reason most electrical plug prongs have holes in them If you've ever looked at the end of a plug, you've probably wondered why some have holes, and some don't - and no, it's not actually a big conspiracy theory. https://www. engadget.com/2300248/reason-mo st-electrical-plug-p…