The Type I plug was developed by the US government but blocked in Congress during the FDR administration by the Republicans and southern Democrats on the basis that it was a change from the multiple different outlets being used at the time. The 3 core plug didn’t become standard until 1965.
The Type I plug was developed by the US government but blocked in Congress during the FDR administration by the Republicans and southern Democrats on the basis that it was a change from the multiple different outlets being used at the time. The 3 core plug didn’t become standard until 1965.