Koersted electrical plug,3Prong Grounding Outlet Adapter,3 Prong Adapter Converter, Portable Fireproof 200℃ Resistant Heavy Duty Wall Outlet Plug for Household Appliances Industrial

【Wall Outlet Converter】The 3 prong outlet adapter can covert a grounded electric extension power cord to an AC outlet without a grounding pin slot, perfect for older houses or offices with AC wall outlets that can not accept grounded plugs. 【Polarized Plug】The 3-prong grounding adapters is polarized and better than the un-polarized plug adapters, because polarized plugs only allow you insert the plug into the outlet slots in one direction, wide blade to wide slot, narrow blade to narrow slot, which ensures neutral-to-neutral, hot-to-hot and provides a measure of safety for the appliances and house wiring to be aligned in terms of polarity. This also explains why most household appliances’ plugs are polarized. 【Grounded Protection】This three-prong to two-prong adapter plug fits snugly into the wall outlet without falling out when plugging a heavy cord into the adapter. It has a metal grounding tab/ ground terminal to fit neatly under the outlet plate screw and provide a proper groundi