Replacement parts for the Wolgang Puck grills are difficult to find and I just received an e-mail back from an earlier inquiry to the the company advising that parts are available here:

http://www.wpcookware.com/categories.asp?cat=23

Your cord does not seem to be available on-line so would recommend you either call their Customer Service at 1-800-275-8273 or make an inquiry via their webform:

http://www.wpcookware.com/contact.asp

Sorry someone has not responded sooner.