Not all outlet holes are the same, and there's a reason for that. The shapes (vertical slots, round holes, T-slots, etc.) correspond to specific electrical functions and safety features. Take the ...

And you can do it safely, in under an hour, and for less than $50. Credit... Supported by By Tim Heffernan Visuals by Clark Hodgin After 16 months, my home renovation is nearing a happy milestone: ...