I've built two of these:
http://www.oakleysound.com/psu.htm
Best bit about it is you use a low voltage mains adaptor to take the voltage down from mains, reducing the risk considerably. Easy build and I've been using mine for months now with no issues.
http://www.oakleysound.com/psu.htm
Best bit about it is you use a low voltage mains adaptor to take the voltage down from mains, reducing the risk considerably. Easy build and I've been using mine for months now with no issues.