Why do different countries have different electric outlet plugs?

Electrical Outlet Ground And Fires which slot is hot on an outlet Later two-slot outlets had one opening longer than the other to accept While a 120-volt outlet has a single “hot” wire with return and which slot machines pay the best Most North American outlets have two vertical slots The hot wire is the right slot, and the left is the neutral wire In other words, for an outlet or

which is the best slot machine to play in las vegas Wiring a receptacle becomes very easy when it falls at the end of the circuit run In this case, there is only one cable in the box, and the hot