This ELEGRP G20AA-series Class A GFCI adapter connects between a grounded NEMA 5-15 receptacle and the equipment plug. It is rated 15A, 125V, 60Hz, 1875W and automatically self-tests every five seconds.Auto-reset operation: the adapter restores power after initial connection or a power interruption. Use an auto-reset device only where automatic restoration of power is appropriate for the connected equipment.GFCI requirements depend on the circuit, location, equipment and local code. Ask a qualified electrician to confirm the protection required for the installation; do not assume this adapter is either always required or always unnecessary. NEMA 5-15P grounded plug and NEMA 5-15R receptacle UL and cUL listed UL 50E Type 3R enclosure Lighted power indicator Follow the ELEGRP instructions for testing and use.