The Thomas & Betts 1‑Gang Deep Clear Cover (Code Keeper® Weatherproof While‑in‑Use Cover) is an extra‑duty enclosure built to protect electrical receptacles (single, duplex, GFCI, or switches) in harsh or wet environments. It accepts GFCI, duplex, switch and up to 1-3/8" round devices. Nonconductive, noncorrosive, and impact resistant. Won't rust or fade. Scratch resistant. For use in wet/damp locations. Keyhole mounts, loosen the existing device screws and slide the cover over. Comes with adapter plates and pre-adhered gaskets. Wasp guard included to keep out unwanted pests. Lockable for security. UL Listed.