The US electrical system is not 120V
Technology Connections · 4 則 HN 推薦
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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.
HN 推薦的原因： HN commenters point to it to correct misconceptions about US voltage and to explain 240V availability in American homes.
“There's a lot of misconceptions about US electricity. This video does a nice job at pointing out the good and the bad.” 閱讀 HN 討論 ↗