Perfect for the home, office or on holiday!
External harddrives, laptops, camera battery charger, power supplies and lots of other things use a "C7" or "infinity" plug to connect the external transformer / charger to the wall.
The C7 plug doesn't have an earth and comes either polarised or unpolarised. Laptops, metal things and other electronics with large current draws have a C5 connector which has an earth. This instructable is for the C7 unpolarised plug, but would work with a C5 or polarised C7.
This instructable is also written for the UK plug as I'm in the UK. You could adapt it for other plugs though.
This is a very quick and easy to do instructable and I think it will come in very handy.
Step 1: Disassemble Plug & Prepare Wire
Step 2: Final Step
Wire up the wires in this formation, if there is a collar on the wall plug, remove it.
You will need to secure part of the C7 plug under the white plastic fastener for a secure fit.
Tighten all the screws and you're done!