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NEMA L5-30P 30A to 3X 5-15R/5-20R Generator Adapter
About this item 【RV Generator Adapter Cord】15 Amp to 30 Amp RV Generator Adapter converts the 30A locking receptacle on your generator to a 3 X 5-20 grounded receptacle that accepts a standard 5-15 or 5-20 grounded cord.