Could you mount a simple batten holder along side the fan and wire it across the motor terminals? Not as neat as a small fitted indicator admittedly but more visible
The angle of the concrete where you want to fix battens looks similar to the angle on a fencing cant rail, ifit matches you wouldnt need to try to cut timber to suit. try a local builders/timber merchant to get a sample and if it fits use longer bolts to fix the concrete sections together and...
As a simple solution could you get a single extension lead just to extend the bed cable and fasten the "join" to the bed and get a 4 way extension for the other stuff. I am sure we could help if we were near you.
With ftth the light in the fibre is converted to electrical signals via the box in your house, the ONT optical network termination. Which is powered from your electricity.
The green cabinets require power if they are converting the signal and therefore you have fttc ( fibre to the cabinet).
The...
My beard trimmer lasts weeks after charging and I maybe use it once every three weeks. It gets charged in the bedroom. And considering they are usually less than £20 these days ( keep an eye on lidl/aldi as they do them, often for about £15) corded is not worth it.
Edit, you might be able to get...
I have a couple of the style in the Wickes link bought for next to nothing at car boots sales. Perhaps the op should have a lookout at their local sales and find a few different styles. We all prefer different things so one man's meat etc..
the ones i tend to pick up and use the most recently...