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Jack Shih mark this message contains misinformation
originally written by Jack Shih
https://www.google.com.tw/amp/s/tw.news.yahoo.com/amphtml/從110v到220v-年省10億度-台電擬推四孔插座-072228464.html

...改版方式就是在現有110V三孔插座,再增設一條線路,讓兩條火線相反產生正弦波,提供220V電壓。同時配合牆壁改四孔插座或使用轉接線,就可讓110V與220V電器插頭分別使用,不須特別更換電器使用。

台電說,目前仍只是學術討論階段,預計年底前利用815停電事故調查小組會議上,向經濟部提出。初期將研商以新蓋大樓為先行試辦對象,舊大樓則可利用重新裝修機會再更換配線。

References

https://www.google.com.tw/amp/s/tw.news.yahoo.com/amphtml/從110v到220v-年省10億度-台電擬推四孔插座-072228464.html

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