【Grounded Protection】This three-prong to two-prong adapter plug fits snugly into the wall outlet without falling out even when plugging a heavy cord into the adapter. 【Wall Outlet Converter】The 2 prong to 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.
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