On 25/04/2018 17:47, Tim+ wrote:

Extension cable reels? Two pin adapters? Looks all very dodgy to
me for a place that presumably has paying customers.

Indeed.
How customers choose to hook up equipment is down to them.
The unit only really needs power for the tablet type screen so it's an
extremely low power demand but still not acceptable for a commercial
setting. Their H&S liability.

Putting the plug in the wrong way round won't blow anything, it's
AC after all...

Good point.