The Twist and Seal Cord Protect offers heavy duty extension cord protection for home and garden use. It is uniquely designed to protect electrical cord connections in wet conditions. The Cord Protect fits 12-16 gauge cord connections. Ideal for protecting cord connections on Edison string lights, bug zappers, water pumps, holiday light displays and any outdoor cord connections that could be impacted by rain, sprinklers, melting snow and poolside splashing.