When I read on the Homematic page, is it true that I would have to loop light switches back into the fuse box to be able to control e.g. ceiling lights (manually and via the app)?

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The light switches could be radio switches that control the actuator. Nothing would have to be looped with cables. But the consumer (light) must be connected to the switch actuator. ATTENTION: May only be carried out by a qualified electrician.

Link light switch: [HomeMatic HM-PB-2-WM55-2](https://www.galaxus.ch/de/s4/product/homematic-hm-pb-2-wm55-2-lichtschalter-steckdose-5826523?tagIds=423-1044&supplier=406802)

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Question about Homematic IP Wireless switching actuator for top-hat rail mounting 4-fold

When I read on the Homematic page, is it true that I would have to loop light switches back into the fuse box to be able to control e.g. ceiling lights (manually and via the app)?