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Your washing machine probably has a ground fault. simulate this circuit – Schematic created using CircuitLab Based on reversing the plugs you can get these two situations: - Top schematic: ...

In Spain, they have a split-phase power system (similar to the US) in many older houses. That means, both jacks at an outlet are 115V live with a phase shift of 180° between the two. This gives you ...

there is an improvement in sound if all the electrical components - amps etc - are the same polarity If there was any improvement, the corresponding equipment can be considered severely broken - ...

Jakob, the big problem about that master/slave extension cord is not its plug. It's its sockets. They accept the Danish Type K earthed plug which means you can put earthed devices into them. The ...

I'm guessing you live in Denmark. You probably had somewhat similar rules as in Sweden pre-1994. The rules then was that a round non schuko should be used in a room where there are no possibilities to ...

Figure 1. Schuko Type F socket. Source: International Config. From a mechanical point of view the double earth contact in the socket balances the forces applied during insertion and removal. Without ...

The problem is the timer has a single pole relay contacts and you have a Schuko. The Schuko plug can be plugged into mains socket in either orientation so there is no guarantee which wire is live and ...