Master/Slave mains sockets
Andy Dingley wrote:
If you build your own, start with a current transformer. The rest is
easy.
That was as far as my thoughts had reached!
And thanks to all other respondents. So much in life seems to be about
accurately describing what you are searching for.
I might 'enhance' the cheapest off-the-shelf item - perhaps the Intelliplug.
Cheers
Richard
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