Legrand-Pass & Seymour 2097GRY Pass & Seymour 2097-TRWRGRY-Self-Test GFCI Receptacle Conducts an automatic test every three seconds, ensuring it's always ready to protect Thinner than competitors' gfci receptacles: leaves more room for wires in the box Auto-ground clip assures a positive ground to metal box Meets 2015 UL requirements Feed-thru wiring configuration allows gfci to protect downstream receptacles