Add Shelly 1 into UK Bathroom pull cord fitting? - Third party integrations - Home Assistant Community
What's in a Pull Cord Switch : 5 Steps - Instructables
Pull Cord Switches | Light Pull Cords | Screwfix
How to fix my bathroom pull cord? The spring is broken but the ceiling fixture has no obvious point of entry (in my previous home there were obvious screws) : r/HomeMaintenance