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1 janv. 1883 - Edison patents a three-wire distribution system.

Description:

It allowed two 110V conductors to connect to a neutral one to make 220V.

Ajouté au bande de temps:

Events Leading to 120V Decision in the US

ByEthan Yang
11 oct. 2018
0
0
824

Date:

1 janv. 1883
Maintenaint
~ Il y a 142 ans
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