Ultimate Protector for Your Electric Cords and Cables: Wrap our handy cover around your cord connectors to protect them from rain, snow and ice! Theyre water resistant to protect against electrical shorts and blowouts! Safety first! PROTECTIVE COVER CAN FIT UP TO 12 GAUGE CORDS - The protector encasement has a length of 8.25 inches and a diameter of 2.75 inches. The wire entry points can accommodate up to 12-gauge cords while the large plug compartment can comfortably fit average domestic electrical outlet plugs including 3-prong plugs. The opening is only 0.4-inch, ensuring that the fit will be tight no matter the size of the cord.