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Item #:
223162761
Southwire Tester NCVD Advanced Dual - Visual & Audible AC Voltage Detection - IP67 Waterproof - Silent Mode & Dual Flashlights - CAT IV 1000V Safety
90% of respondents would recommend this to a friend
Item #:
223162761
€ 27
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The Southwire Tools & Equipment 40150N is an advanced dual range non-contact AC voltage detector with a convenient work light.
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What Stands Out
Advanced Detection
Equipped with visual and audible AC voltage detection, ensuring users can easily identify power sources in various environments without compromising safety.
IP67 Waterproof
Designed to withstand harsh conditions with an IP67 waterproof rating, making it ideal for outdoor and industrial use without risking damage from moisture.
Silent Mode
Includes a silent mode for discreet operation, perfect for situations where noise must be minimized while still providing reliable voltage detection.
Product Details
| Power Source | AAA |
| Minimum Operating Voltage | 12 volts |
| Measurement Type | Voltmeter |
| Style Name | 12-1000V AC |
| Color | Multi |
| Item Weight | 2.4 ounces (68.04 grams) |
| Item Dimensions | 1 x 1 x 1 inches (2.5 x 2.5 x 2.5 cm) |
| Brand Name | Southwire |
| Model | 40150N |
| Unit Count | 1 Count |
| UPC | 032886963445 |
| Number of Items | 1 |
| Manufacturer | Southwire |
| Global Trade Identification Number | 00032886963445 |
| Included Components | Tools & Accessories |
| Item Type Name | TESTER, NCVT ADV DUAL 40150N |
| Part Number | 40150N |
| Brand | Southwire |
| Style | 12-1000V AC |
Who Should Buy?
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Electricians
Ideal for professionals needing reliable AC voltage detection with visual and audible alerts in various environments.
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HVAC Technicians
Great for HVAC repairs, allowing quick identification of live wires ensuring safety during maintenance tasks.
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Home DIYers
Perfect for homeowners conducting electrical work, combining ease of use with essential safety features to prevent accidents.
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Infrequent Users
Not suitable for those who rarely work with electrical systems, as specialized tools may not be necessary.
Product Description
Southwire Tester NCVD Advanced Dual - Visual & Audible AC Voltage Detection - IP67 Waterproof - Silent Mode & Dual Flashlights - CAT IV 1000V Safety
About This Item
Introducing the Southwire 40150N Advanced AC Non Contact Voltage Tester Pen – the perfect tool for all your electrical testing needs. Whether you are a professional electrician or a DIY enthusiast, this voltage tester pen is a must-have in your toolbox. The Southwire 40150N is designed to detect AC voltage in a non-contact manner, ensuring your safety while working with electrical systems. With a wide dual range of 12-1000VAC and 100-1000VAC, this tester pen can accurately detect voltage levels, allowing you to quickly and easily identify live wires. Equipped with a built-in LED flashlight, this voltage tester pen provides added convenience, especially in low-light conditions.
The flashlight illuminates the area you are working on, making it easier to spot voltage sources and navigate through dark spaces. Not only is the Southwire 40150N functional, but it is also rugged and durable. It has been drop-tested to withstand a 6' fall, ensuring that it can handle the rigors of everyday use. Additionally, it is IP67 waterproof, making it suitable for use in various environments, including outdoor and wet conditions. The advanced features of this voltage tester pen make it stand out from the rest.
Its non-contact technology eliminates the need for direct contact with live wires, providing you with added safety and peace of mind. The Southwire 40150N also features a voltage indicator that lights up and emits an audible alert when voltage is detected, simplifying the testing process. This Southwire voltage tester pen is not just a tool; it is a reliable companion for professionals and DIY enthusiasts alike. Its compact and ergonomic design ensures comfortable handling, while its practical features make it an indispensable tool for any electrical project. Don't compromise on safety or functionality – choose the Southwire 40150N Advanced AC Non Contact Voltage Tester Pen.
Experience the convenience and reliability of this top-of-the-line voltage tester pen and make your electrical testing tasks a breeze.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the voltage range of the Southwire 40150N Non Contact Voltage Tester Pen?
Answer: The Southwire 40150N voltage tester has a dual voltage range of 12-1000VAC, allowing it to detect both low and high voltage sources. This broad range makes it suitable for various electrical tasks, from testing household circuits to larger commercial systems. Its ability to provide accurate readings across such a spectrum ensures safety and reliability, making it an ideal tool for electricians and DIY enthusiasts alike. -
Question:
How does the non-contact feature of the Southwire 40150N work?
Answer: The non-contact feature of the Southwire 40150N utilizes advanced sensing technology to detect voltage without needing direct contact with wires or electrical components. This ensures user safety by minimizing the risk of electric shock during testing. Simply hold the tip of the tester near the suspected source of voltage, and the device will alert you with visual and auditory signals, making it perfect for quick checks in tight spaces. -
Question:
Does the Southwire 40150N have a built-in flashlight?
Answer: Yes, the Southwire 40150N comes with a built-in LED flashlight. This feature enhances visibility when working in poorly lit conditions, such as basements or attics, allowing technicians to easily find the wires needing testing. The flashlight adds great convenience during installations or troubleshooting, ensuring that you can work safely and efficiently in any environment. -
Question:
Is the Southwire 40150N suitable for outdoor use?
Answer: Yes, the Southwire 40150N is designed to be used both indoors and outdoors. Its durable construction ensures that it can withstand various environmental factors while remaining reliable. Whether you're testing outdoor electrical installations or ensuring garden lighting is functioning properly, this voltage tester is equipped to handle a range of conditions, making it a versatile tool for any electrician. -
Question:
How do I change the voltage range on the Southwire 40150N?
Answer: The Southwire 40150N includes an easy-to-use switch that allows you to change between dual ranges of 12-1000VAC and 100-1000VAC. Users can select the appropriate range based on the electrical system they are testing to ensure greater precision and safety. It’s particularly useful in scenarios where a quick adjustment is needed without the hassle of complex set-up procedures. -
Question:
Can the Southwire 40150N detect DC voltage?
Answer: No, the Southwire 40150N is designed specifically for AC voltage detection. It provides reliable readings for alternating current systems, which are commonly used in residential and commercial settings. For users needing to test DC voltage, alternative testers designed for that purpose would be necessary, ensuring that the correct tool is used for accurate readings. -
Question:
What safety features does the Southwire 40150N include?
Answer: The Southwire 40150N incorporates multiple safety features, including non-contact voltage detection, which minimizes the risk of electric shock. Additionally, it includes a voltage alert indicator that lights up and beeps when voltage is present. These features make it an essential tool for safely checking electrical systems, ensuring both professionals and DIY users can work confidently. -
Question:
Where can I buy the Southwire 40150N Advanced AC Non Contact Voltage Tester Pen?
Answer: You can buy the Southwire 40150N Advanced AC Non Contact Voltage Tester Pen on Ubuy. Ubuy offers a convenient shopping experience with an extensive selection of electronic tools and gear tailored to fit various needs. Their platform ensures you can easily find and purchase this tester from the comfort of your home, with reliable service and straightforward checkout. -
Question:
Can the Southwire 40150N be used by beginners?
Answer: Absolutely! The Southwire 40150N is user-friendly and designed for both professionals and beginners. Its simple operation, combined with clear indication signals for voltage presence, makes it an excellent choice for those new to electrical work. Beginners can quickly learn to use it for household projects, such as testing outlets or light fixtures, gaining confidence in their skills. -
Question:
What maintenance does the Southwire 40150N require?
Answer: Maintaining the Southwire 40150N is straightforward. Regularly inspect the tester for any damage, and keep the tip clean to ensure accurate readings. Avoid exposing it to extreme conditions or unnecessary moisture, and store it in a dry place after use. Proper care can extend the lifespan of the device, allowing you to rely on it for various electrical testing tasks.
Southwire Voltage Testers Editorial Review
The Southwire Tester NCVD Advanced Dual is a highly regarded non-contact voltage tester among both professional electricians and DIY enthusiasts. With a robust design and a reputation for reliability and sensitivity, this tester stands out in a crowded market that includes competitors like Klein, Fluke, and Milwaukee. Users frequently praise its ability to accurately detect both low and high voltage, making it a valuable tool for safely troubleshooting electrical systems. The inclusion of dual LED flashlights enhances its functionality, allowing users to illuminate dark areas while working, which is especially useful in complicated electrical cabinets or attics. Moreover, the tool’s IP67 waterproof rating ensures durability in various environments, an essential feature for those who work in challenging conditions. Despite the overwhelmingly positive feedback, there are a few minor drawbacks noted by users. Some have experienced issues with the battery compartment cap, particularly if it is overtightened or dropped, while a few users mentioned that maintaining battery contact could be a challenge. Additionally, there is a minor inconvenience where the tester's low voltage feature requires the button to be held down, which some found cumbersome. Overall, the Southwire Tester NCVD Advanced Dual is heralded as a premium tool for anyone involved in electrical work, boasting ease of use, superior functionality, and durability that makes it well worth the investment. **
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Pros
- Highly durable and reliable Construction
- Sensitive and accurate voltage detection
- Dual flashlights provide excellent illumination for work
- IP67 waterproof rating for added durability
- Compact size with easily accessible AAA batteries
Cons
- Battery cap may crack with over-tightening or dropping
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23 July 2026 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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€ 27
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Features & Benefits
- Audible and visual indication of AC voltage on two ranges: 12 to 1000V and 100 to 1000V
- Bi-color LED verifies tester is on and range selected
- Rugged IP67 WATERPROOF and dust tight housing
- Built-in forward and rear facing flashlight for user convenience
- CAT IV rating at 1000V and is UL Listed
- Pocket clip for easy access and storage
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