How To Earth A Wall Socket. 8:50 spend time, save money, diy 8 676 просмотров. .wall socket with a voltmeter (250v+ ac), looking for 220v between outsides, 110v between outside and center(both) zero between center and earth.
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But yeah i think perhaps the wall socket itself hasn't got too much of a clear cut rating. I just set up my computer in a new room but the room dosen't have any wall sockets with ground/earth. Ive found the usa adapter is two vertical pins with a cylindrical earth. My computer zaps me with strong zaps which can get quite annoying.