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On the bottom floor of the map five you can find those red switches used to turn on the electroshock barriers, you can find one of them in the room left of the elevator.
If you take this switch and put it in the metal detector gates on the top floor you can use it as an electroshock barrier like in the other zombie maps.
I don't know where the 2nd switch is but I think something cool may happen if you put both of them in, I'm on dial up right now so I won't be uploading a video for a while.
Have fun