The drill chucks that work with this hammer drill are of the keyless kind. You don't need to bother with a cord, since it runs on a rechargeable battery.
From OnBuy
Dewalt Dewalt DCD999T1 18V FlexVolt Advantage Brushless Combi Drill (1 x 6.0Ah Battery) DCD999T1-GB
Caulfields
DCD999T1 18V XR XRP Hammer Drill with Flexvolt Advantage, 1 X 6.0Ah Batteries