One outlet. Endless possibilities. The Crock-Pot Hook Up Connectable Entertaining System is designed to be fully customizable and work the way you need it to. You can build your own system or create a spread at parties and gatherings with everyone connecting their own individual Crock-Pot® Hook Up® unit. Up to 6 units can plug together using one outlet. Score each unit or get one of the sets for 40% off at the Crockpot site. Prices start at $35.99 (Reg $59.99) Your discount will apply automatically at check-out. Shipping is free on orders over $49.