The US electrical system is not 120V
Technology Connections在 YouTube 播放 ↗
档案导读
Technology Connections explains that US household power is split-phase, with two 120V legs that combine to 240V for large appliances. It covers the breaker panel and how the system works.
档案英文原文 · 来自 HackerTube 开放档案，暂未收录字幕分析。