Halogen lamps with protection unit

Halogen lamps with protection unit

The bathroom has 4 lamps. The protection block burned, changed to a new one. The lamp where the unit is standing lights up immediately, the other three smoothly. It should be?

Why does the lamp not turn on?

Why does the lamp not turn on?

Question to the electrician: what to do if the lamp does not turn on? There is no voltage, but the wires to the shield are in order. In the shield is an RCD bipolar.

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