Sven -- Pardon me for not elaborating. The 5280 cord caps have a nylon-capped thumbscrew diagaonally through the U-ground pin. If the ground pin is down [the little face] it's likely a bit hidden and may be more tamper proof.
They are useful where a janitor unplugs a server [having a "fat" OC48 fiber circuit to the rest of the planet] to power his floor waxer. {That really happened.}
Then there was the owl-shift security guard who would unplug a refrigerator-full of frozen food to power his boom box. He wouldn't repower the refrigerator when he left at shift end. {That really happened #2.}
[This message has been edited by Bjarney (edited 10-30-2002).]
