Tower Manufacturing 30439005 Auto-Reset&nbsp;15&nbsp;AMP Grounded 3-Prong GFCI Single Outlet Adapter, Yellow RELIABLE PROTECTION - Protect users, tools, and equipment from electric shock with this durable GFCI adapter. INDOOR SAFETY - Add safety to interior outlets with this indoor-grade adapter. DURABLE 3-PRONG CONNECTIONS  The adapter features a NEMA 5-15P three-prong grounded plug and NEMA 5-15R receptacle. DEPENDABLE PERFORMANCE - Independently-tested and UL- and CUL-listed for safe operation. LIGHTED POWER INDICATOR  Easily see that power is available with the "power on" indicator light.