Perhaps the weakest link in the US electrical system
Technology Connections · 4 则 HN 推荐
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Technology Connections explains weaknesses in the US electrical system, centering on how cord and circuit ratings can mismatch and cause fires. It covers extension cords, power strips and plug history in about 25 minutes.
HN 推荐的原因： HN points to it as a clear explanation of why under-rated extension cords and daisy-chained power strips are dangerous.
“here's a 25 minute mini-documentary of the US electrical system's history and problems” 阅读 HN 讨论 ↗