How US Homes Get 120V and 240V Power

Technology Connections · Explainer · 24 min · 2020 · YouTube title: The US electrical system is not 120V

Why it's here

HN commenters point to it to correct misconceptions about US voltage and to explain 240V availability in American homes.

What it covers

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.