"Andy Dingley" wrote in message
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On May 31, 11:22 am, "Gazz" wrote:

there's loads of forums full of people claiming the usb psu will cost you
anything from 5p to 10 quid a year to run as it's on all the time,

Some of my workshop wall-warts now live in the bottom of my tool
cupboard. This both keeps the sawdust off them and their waste heat
also stops condensation in the winter. I used to have a small resistor
in there as a heating element, but now the wall-warts do it for me.

I put my networked hard drives and mail server in there to keep it warm and
out of the main building.