Hi.

Just go to walmart and get a 4 dollar dimmer. You should have your extension cord wired to your flexwatt so that you'd be able to plug it in and run full blast right?

Well you then plug that end into your dimmer. Then your dimmer into the wall. If that's not the case. Go to wal mart and buy one for 4 dollars haha.

It can be done other ways. Like the way I'm thinking your talking of doing. You'd have to follow the instructions with the dimmer for that.

Or just get the dimmer that's set up to have a plug plugged into it. That's my 2 pennies.