How to connect a difavtomat for a boiler?

How to connect a difavtomat for a boiler?

I want to put a case with a difavtomat and connect a moisture-proof socket for the boiler from it, but I don’t know where to connect the phase, where to zero, where to earth.

Statics on a desktop computer?

Statics on a desktop computer?

The computer is connected to the outlet through a power strip. If you turn on the filter and move your finger along the upper metal part, a small discharge is felt.

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