Normative Signs: The Poetry of "Ought"

I guess if it’s worth doing, it’s worth overdoing. But surely this is overkill. Or it should be. How much warning should anyone need to stay away from high voltage? This is the door of an electrical substation in my neighbourhood. Any one of those warnings ought to be enough. It’s electricity, OK? Stay the hell out!

See also: “Danger, Danger: High Voltage!” by Electric Six.