Eaton GF20W White Self Test Standard GFCI Receptacle 20 Amp - Designed to provide a clean, aesthetic appeal, the GFCI receptacle markings are minimal to better blend with décor in today's modern buildings and homes. Its slim design allows for easy installation, leaving more room for wires in the box. It automatically self‑tests periodically to ensure GFCI protection. It incorporates lock-out functionality to protect against mis‑wired line‑load connections and GFCI circuitry damage. An automatic grounding system eliminates the need for bonding a jumper in grounded metal enclosures and provides a redundant measure of ground continuity where a jumper is used.