【 Auto-Monitor】 This GFCI plug will automatically conducts a self-test (auto-monitor) after connect with the power within 5 seconds, and conduct self-test later in every 15 minutes to ensure the GFCI is continually working to protect people from electrocution 【Always Safe】 The GFCI plug features low power consumption and long service life. This GFCI will automatically conduct a self-test (auto-monitor) after connect with the power within 5 seconds, and conduct self-test later in every 15 minutes to ensure the GFCI is continually working to protect people from electrocution.Designed to meet UL Standard 943,ETL approved 【Water Resistant GFCI】 Manual Reset GFCI plug (Ground Fault Circuit Interrupter) durable industrial materials suit both for indoor and outdoor use 【Easy to Install】 With Grounding Wire. Provide 3 different grommets for wiring cable 18AWG, 16AWG and 14AWG.Obtained US patent product,easy to set up 【Wide Application】 Durable industrial materials suit both for indoor and outdoor use in a variety of dangerous power tools, such as saws, drills, air conditioner, lathes, lawn equipment, cutting machine, etc.For a pool pump Or power pressure washer You'll Need This GFCI plug Product Description About this item ✅【Endurable】GFCI plug features surge protection and lightning protection function withstanding 6 kilo volts. Performed 6000+ times factory tests, which is the Double testing times of UL standard. ✅【Easy to Install】Ground fault circuit interrupter with surge protection. Just respectively connect 3 pcs of wires to joint screws marked BLK (live wire), GRN (earth wire), and WHT (null wire). Then screw down and close the cover. ✅【Reliable Protection】Protect users, tools, and equipment from electric shock with this durable GFCI plug . The safety plug is designed to protect people and home appliances from electric shock: when leakage of electricity takes place, the plug breaks the circuit automatically within 25mS. ✅【Durable】Solid material and rugged design construction, built to withstand heavy use. Do not need to waste much more money to get new devices after using this replacement plug. ✅【Widely Application】Perfect for indoor or outdoor use in a variety of electrical equipment, such as power pressure washer, generators, cleaning machines, power tools, lawn equipment, cutting machines, vacuum cleaners, pumps, heaters, household electrical appliances, etc. ✅【Auto-Monitor 】. This GFCI plug replacement will automatically conducts a self-test (auto-monitor) after connect with the power within 5 seconds, and conduct self-test later in every 15 minutes to ensure the GFCI plug is continually working to protect people from electrocution.