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Attaching a ground wire to a prong that plugs into an outlet adapter

The outlet shown in the image below doesn't have a ground wire connecting to its receptacle. A friend of mine is helping me setup a ups that requires ground wire, however what he did was run a ground ...
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Can a switchover to backup power be seamless for a whole house?

We're contemplating a backup generator for the house. Most of them have transfer switches that kick in quickly, and automatically, but naturally the generator has to start, spin up, and stabilize ...