20 AMP Self-Test GFCI Outlet Tamper-Resistant Receptacle Provide electric shock protection and prevent the risks of electrical fire caused by ground fault. Suitable for home and commercial use. Back and side wire capable and comes with installation instructions, wall plate and screws are included. Automatic Self Testing The GFCI regularly conducts an automatic internal test to confirm that it can respond to a ground fault,giving users the peace of mind that the electrocution and shortage prevention feature is functioning up to par. Weather Resistant /Tamper Resistant /LED Indicator/Easy To Install/Safe ETL Certification Package include:4×GFCI Outlet （Plate and Screws are Included).
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