--- product_id: 450465854 title: "Outlet Tester with GFCI, NCV Non-Contact Voltage Tester, 2/3 Prong Receptacle Live Neutral Wire Detector, AC Electrical Outlets Tester for North American" brand: "zotek" price: "$35.52" currency: USD in_stock: true reviews_count: 8 category: "Zotek" url: https://www.desertcart.us/products/450465854-outlet-tester-with-gfci-ncv-non-contact-voltage-tester-2 store_origin: US region: United States of America --- # Accurate AC voltage detection ±1V LCD shows 8 wiring status types Built-in GFCI test for ground fault safety Outlet Tester with GFCI, NCV Non-Contact Voltage Tester, 2/3 Prong Receptacle Live Neutral Wire Detector, AC Electrical Outlets Tester for North American **Brand:** zotek **Price:** $35.52 **Availability:** ✅ In Stock ## Summary > ⚡ Diagnose with confidence, protect with precision. ## Quick Answers - **What is this?** Outlet Tester with GFCI, NCV Non-Contact Voltage Tester, 2/3 Prong Receptacle Live Neutral Wire Detector, AC Electrical Outlets Tester for North American by zotek - **How much does it cost?** $35.52 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/450465854-outlet-tester-with-gfci-ncv-non-contact-voltage-tester-2) ## Best For - zotek enthusiasts ## Why This Product - Trusted zotek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable, Portable Build:** Lightweight yet rugged—your trusted companion for every electrical inspection. - • **Integrated GFCI Safety Test:** Instantly verify ground fault circuit interrupters to prevent costly hazards. - • **Clear, Intuitive LCD Display:** Visualize 8 wiring conditions at a glance—no guesswork, just confidence. - • **Compact & User-Friendly Design:** Plug-and-play simplicity for pros and DIYers who demand efficiency on the go. - • **Precision Voltage & Leakage Detection:** Pinpoint electrical issues with ±1V accuracy for safer, smarter diagnostics. ## Overview The ZT-E4 Socket Tester is a compact, battery-powered electrical outlet tester designed for quick, accurate wiring diagnostics. Featuring precise AC voltage and leakage detection, an integrated GFCI test, and an LCD screen displaying 8 wiring statuses, it empowers electricians and homeowners to identify wiring faults and safety issues effortlessly. Durable and portable, it supports safe, efficient troubleshooting in homes and workplaces. ## Description Socket Tester, Plug Tester for Electrical outlets,ZT-E4, Leakage Detector with GFCI Test, Electrical Circuit Tester for Quick and Safe Wiring Diagnosis: desertcart.com: Tools & Home Improvement Review: Excellent Outlet Tester - This is an outlet tester that is a must have tells you if outlet is wired correctly just by plugging it in. Great for electrical inspections. tells you a lot. if outlet is wired wrong, GFCI is working, if there is a power leakage, and if there is power at the outlet. and how many volts. It is very accurate. I have three of them. First one I got was in December 2023 still going strong. A very handy tool to have. I have tested this with my KLEIN my AMPROBE and FLUKE Meters. Review: Easy to Use and Understand Readings, A Few Things Would Make the Zotek Tester Even Better - The product is a good deal for $19. It's easy to use and easy to understand test results. However, the little folded instruction sheet is in such a small font that you need a good magnifying glass to read it. The instructions say to open the back cover and insert two 1.5V AAA batteries before using. The desertcart product literature also tells you that batteries are required. The instructions and the desertcart product info neglect to mention that the two batteries already come in the product. There is NO SEPARATE BATTERY COMPARTMENT. You have to unscrew the back cover and GENTLY pull it off, as wires attach the front with the circuit board and batteries to the back cover with the wall plug. The wires are not long enough to cleanly pull the back cover out of the way of the batteries. I always read and record alkaline batteries' voltage and change them out when the voltage gets low to avoid leakage and corrosion. It's very awkward to do with this product - the wires should be longer. In trying to measure voltage for the limited distance I could remove the cover, one of my leads slipped and touched both a battery terminal and the circuit board. I thought I'd fried the circuit board. The product wouldn't turn on with the cover on again. I opened the cover and replaced the batteries. That must have rebooted the device since it's worked well after that. It's too bad for all the nifty circuit detective electronics in the Zotek device that they don't display internal AAA battery status on the lovely LCD screen; it would be even better if such an indicator displayed the AAA battery voltage. It's very awkward to have to unscrew the back cover, pry the device apart, and take the batteries out to test voltage (to avoid slippery probe accidents like the one I had). Overall, I'm very happy with my purchase. I just don't look forward to checking battery voltage. I replaced the alkaline batteries with much more expensive Energizer single-use lithium AAA batteries. They don't leak even when dead and have a 20-year shelf life. So I'll only have to open the Zotek tester when my Li AAA batteries die, but two such batteries are ~25% of the cost of the Zotek tester! ## Features - Accurate Voltage and Leakage Detection – Quickly test socket wiring with precise measurements of AC voltage and leakage voltage, ensuring accurate and reliable results every time. - GFCI Test for Enhanced Safety – Built-in GFCI testing feature helps detect faulty ground circuits to prevent electrical hazards and improve home and workplace safety. - Clear Wiring Status Indication – The LCD screen displays 8 types of wiring statuses with clear indicators for correct, incorrect, missing, or reversed wiring, helping you diagnose and troubleshoot wiring issues effectively. - User-Friendly Operation – Compact design and simple plug-and-play functionality allow both professionals and homeowners to use the device with ease, no technical expertise required. - Durable and Portable Design – The ZT-E4 is made from high-quality, durable materials and features a lightweight, portable design, perfect for electricians and DIYers. - Versatile plug tester for electrical outlets - This advanced plug tester for electrical outlets allows you to quickly and accurately detect voltage and leakage, enhancing safety with built-in GFCI tester functionality. With its digital circuit breaker finder feature, this tool is essential for diagnosing electrical outlet issues in homes and workplaces, making it perfect for electricians and DIY enthusiasts alike. - Easy-to-use electrical outlet tester and circuit breaker finder - Designed with simplicity and efficiency in mind, this electrical outlet tester and circuit breaker finder provides clear indications of wiring status, helping you troubleshoot common wiring problems effortlessly. The compact design and relay tester capabilities make it suitable for both professionals and homeowners looking to ensure electrical safety without any technical expertise. - Portable and high-precision circuit tracer and spark plug tester - Equipped with features such as circuit tracer and spark plug tester, this durable tool covers a wide range of testing needs, including locating faulty circuit breaker finder circuits. The clear LCD display shows comprehensive wiring statuses, ensuring accuracy for any GFCI tester or plug testing task. Ideal for both quick checks and thorough diagnostics, it’s a must-have for anyone working with electrical outlets. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B218ZNK6 | | Best Sellers Rank | #294,314 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #388 in Circuit Testers | | Brand Name | ZOTEK | | Color | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (124) | | Included Components | 1×circuit tester，2×1.5V，1×user manual | | Item Dimensions | 3.15 x 3.15 x 2.84 inches | | Item Weight | 110 Grams | | Manufacturer | ZOYI | | Maximum Operating Voltage | 150 Volts | | Measurement Type | outlet tester non contact voltage tester | | Minimum Operating Voltage | 120 Volts (AC) | | Model | ZT-E4 | | Power Source | Battery Powered | | Specification Met | CE, UL | | Style Name | E4 | | UPC | 735550616516 | | Upper Temperature Rating | 50 Degrees Celsius | ## Product Details - **Brand:** ZOTEK - **Color:** Black - **Item Weight:** 110 Grams - **Power Source:** Battery Powered - **Style:** E4 ## Images ![Outlet Tester with GFCI, NCV Non-Contact Voltage Tester, 2/3 Prong Receptacle Live Neutral Wire Detector, AC Electrical Outlets Tester for North American - Image 1](https://m.media-amazon.com/images/I/61wxIw8pyFL.jpg) ## Questions & Answers **Q: Can I use it in Europe? 220V - 50 cycle** A: Thank you very much for your attention. We are the manufacturer of the product. The product you inquired about: E4, which is American standard and not applicable to European standard, but our company has E2 product for European standard, but we are sorry that we have not launched it in the European Amazon market. **Q: What is meant by, "zero line", "fire-zero wire", "firewire" and "lack of land"? These are not standard terms.** A: Sorry. Those terms should be: neutral wire, live wire, the earth wire is missing. **Q: How can it identify which of the 10 circuit breakers on my main panel an outlet has?** A: To quickly find the circuit breaker corresponding to the socket: please turn off all electronic equipment in use, then press the "RCD TEST" button, and check which circuit breaker is disconnected to confirm the connection between the socket and the circuit breaker . ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Outlet Tester *by C***R on July 12, 2025* This is an outlet tester that is a must have tells you if outlet is wired correctly just by plugging it in. Great for electrical inspections. tells you a lot. if outlet is wired wrong, GFCI is working, if there is a power leakage, and if there is power at the outlet. and how many volts. It is very accurate. I have three of them. First one I got was in December 2023 still going strong. A very handy tool to have. I have tested this with my KLEIN my AMPROBE and FLUKE Meters. ### ⭐⭐⭐⭐⭐ Easy to Use and Understand Readings, A Few Things Would Make the Zotek Tester Even Better *by J***S on January 25, 2024* The product is a good deal for $19. It's easy to use and easy to understand test results. However, the little folded instruction sheet is in such a small font that you need a good magnifying glass to read it. The instructions say to open the back cover and insert two 1.5V AAA batteries before using. The Amazon product literature also tells you that batteries are required. The instructions and the Amazon product info neglect to mention that the two batteries already come in the product. There is NO SEPARATE BATTERY COMPARTMENT. You have to unscrew the back cover and GENTLY pull it off, as wires attach the front with the circuit board and batteries to the back cover with the wall plug. The wires are not long enough to cleanly pull the back cover out of the way of the batteries. I always read and record alkaline batteries' voltage and change them out when the voltage gets low to avoid leakage and corrosion. It's very awkward to do with this product - the wires should be longer. In trying to measure voltage for the limited distance I could remove the cover, one of my leads slipped and touched both a battery terminal and the circuit board. I thought I'd fried the circuit board. The product wouldn't turn on with the cover on again. I opened the cover and replaced the batteries. That must have rebooted the device since it's worked well after that. It's too bad for all the nifty circuit detective electronics in the Zotek device that they don't display internal AAA battery status on the lovely LCD screen; it would be even better if such an indicator displayed the AAA battery voltage. It's very awkward to have to unscrew the back cover, pry the device apart, and take the batteries out to test voltage (to avoid slippery probe accidents like the one I had). Overall, I'm very happy with my purchase. I just don't look forward to checking battery voltage. I replaced the alkaline batteries with much more expensive Energizer single-use lithium AAA batteries. They don't leak even when dead and have a 20-year shelf life. So I'll only have to open the Zotek tester when my Li AAA batteries die, but two such batteries are ~25% of the cost of the Zotek tester! ### ⭐⭐⭐⭐⭐ Shows important info *by M***C on October 30, 2024* Powers on and shows proper connection, what's missing and voltage between hot - neutral and neutral - ground. Helpful info for checking all proper aspects. Also does ncv test. Just be careful of the GFCI test button. ## Frequently Bought Together - Socket Tester, Plug Tester for Electrical outlets,ZT-E4, Leakage Detector with GFCI Test, Electrical Circuit Tester for Quick and Safe Wiring Diagnosis - ZOYI ZT-DB03 AC Voltage Detector - Non-Contact Voltage Tester Pen, Adjustable Sensitivity, Electricity Tester, Live Wire Tester, Electrical Tester Pen, 12-1000V - Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/450465854-outlet-tester-with-gfci-ncv-non-contact-voltage-tester-2](https://www.desertcart.us/products/450465854-outlet-tester-with-gfci-ncv-non-contact-voltage-tester-2) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*