Re: Can of worms
In a rare stroke of coincidence I recently just completed my firm's online workplace health and safety course.
And this exact situation was covered in the course.
Firstly, it was stated that if you're injured doing work related things at home then you are covered by the firms insurance, so the example given was, your router has started playing up, you start heading downstairs to turn the router on and off again, but fall going down the stairs. You are covered by the corporate insurance. If on the other hand you fall going down the stairs to collect mail from the mailman, then you're not covered.
Of course everyone is relying on a bit of honesty, as to why you were going down the stairs, but basically, if what you're doing is somewhat related to work, you're covered.
But anyway this is in Germany, so YMMV.