I've lost my power source in the wall!

Hint 1 of 11:

Your hamster is trapped in the mouse hole.  You'll have to get him back.

Hint 2 of 11:

With force if necessary.

Hint 3 of 11:

The force of suction, perhaps?

Hint 4 of 11:

Wouldn't it be nice if there were a vacuum down here?

Hint 5 of 11:

You must have seen something that suggested there should be a vacuum in
every house.

Hint 6 of 11:

It was the advertisement in the lobby of Bernard's time.

Hint 7 of 11:

Wasn't someone in the past looking for suggestions?

Hint 8 of 11:

There's a suggestion box in the Constitutional Convention.