Looking at my local Home Depot's website, they do have a few different options for NEMA inlets in stock, but the options are pretty limited, and they're all lar

Looking at my local Home Depot's website, they do have a few different options for NEMA inlets in stock, but the options are pretty limited, and they're all larger connectors, not your standard 3-prong connector onto which you could shove the female end of an extension cord (which is what I really wanted for my power-strip-with-detachable-cord projects; I can't really speak to why others might want a male-to-male cable).