Why does the difavtomat knock out when connecting the ground of the chandelier?
A strange situation is happening. In a new building, I connect a chandelier. The chandelier has 3 wires: phase, zero, earth (bulbs light all at once). When connecting only the phase and zero to the terminal from the ceiling, everything works fine. If, in addition, I connect the green-yellow wires of the earth (from the chandelier and from the ceiling), it immediately knocks out a difavtomat in the kitchen + general. And it knocks out when the light switch is off.
Question: why can this happen? Is it possible to leave only phase and zero, and not connect the earth?
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To understand what the reason is, you need to have a phase indicator and a multimeter with which you can ring the wires. For example, when connecting zero and ground, the difavtomat should turn off. Perhaps there are 2 phases and zero connected via a double switch.