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Replacing your general plug of power tool with this GFCI Plug, to protect you and your appliances from electric shock. when leakage of electricity takes place, the GFCI plug can break the circuit automatically within 0.03 second. Auto-reset when leakage is eliminated. How to test?(DO NOT USE IF TEST FAILS!) (1) Power on, plug into the receptacle (2) Press RESET button, red indicator light ON (3) Press TEST button, red indicator light OFF (4) Press RESET button for use. 1 2 3 4 To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.







