RepRap Power Supply Safety Cover
Description
If you own one of these power supplies you may want to protect others from electrical shock from the exposed power connections.
Instructions
All you need to is print this up and find two screws that will attach to the power unit. Caution make sure they are not more that 5 or 6 mm in length.
License
RepRap Power Supply Safety Cover by Yllonnoce is licensed under the Attribution - Creative Commons license.

Excellent thanks for posting the thread size.