Amazon.com: LYOOWNG (3 Pack) 3-Prong to 2-Prong Adapter Grounding Converter Polarized 3 Pin to 2 Pin Power for Wall Outlets Plugs, Grey : Tools & Home Improvement
Amazon.com: 3 Prong to 2 Prong Adapter,YOELVN 3-2 Prong Grounding Outlet Converter, Portable Fireproof 200℃ Resistant Wall Outlet Plug Adapter,Three Prong Adapter Plug for Household,2 Pack,Ivory White : Tools & Home Improvement
Safety Adapter U.S. (Type B Wall Outlets)
AC WORKS NEMA 10-30P to NEMA 14-30R 30-Amp 3-wire To 4-wire Grounding Single To Single Orange Basic Elbow Adapter in the Adapters & Splitters department at Lowes.com
Ge 2pk Grounding Adapter Polarized : Target
Ethernet grounding adapter kit-cat6ground
GE Polarized Grounding Outlet Extender, 2 Pack, Turn 2-Prong into 3, Easy to Install, Indoor, UL Listed, Gray, 54302 - Power Strips And Multi Outlets - Amazon.com
TENINYU Grounded Adapter 3-Prong to 2-Prong Outlet Converter - 3 Pin to 2 Pin Plug Socket Adapter Extension for Electrical Cord, Household, Workshops, Industrial, Machinery (2 Pack) - - Amazon.com