Katzco 3-Prong To 2-Prong Grounding Adapter - 2 Piece For Wall Outlet Plugs - Converters For Outlets, Electrical, Household, Workshops, Industrial, Machinery, And Appliances - UL Listed FAST AND EASY- These grounding wall outlet adapters are incredibly fast and easy to use. Simply find the outlet of your choice and plug the adapter into the outlet. 2 PACK  Grounding Adapters come in a pack of 2 separate plugs for the best value you can get. Get 2 for the price of only 1! CONVERT 2 PRONG OUTLETS- These adapters convert your ordinary 2 prong outlet into a three prong outlet so you can plug appliances and other things that require more power SURGE PROTECTION- These grounding adapters allow you to plug in appliances that require more power without any worry and prevent electrical shorts and power surges. UL LISTED- 125v/15A/ Electrical Rating. 1875W Max wattage. Safe to use and safe on all types of outlets.