北美的家庭的120-240伏的入户电压是怎么回事(Introduce of 120/240 single split phase power supply)

Описание к видео 北美的家庭的120-240伏的入户电压是怎么回事(Introduce of 120/240 single split phase power supply)

Explained what is the 120/240V supply for North American single deswellings. Also talked about what is bonding and grounding for residential power supply system.

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