For one thing, AU 2-prong plugs have a much more physically secure connection than equivalent US plugs. The angled prongs mean there’s no rotational axis about

For one thing, AU 2-prong plugs have a much more physically secure connection than equivalent US plugs. The angled prongs mean there’s no rotational axis about which the plug can fall out. Of course it also means the prongs can’t really fold away for storage.