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⚡ Stay Shock-Savvy: Detect Voltage Like a Pro, Anywhere, Anytime!
The Southwire 40116N is a compact, non-contact AC voltage detector designed for professionals who demand quick, safe voltage detection from 100 to 600VAC. Featuring a dual alert system with visual and audible signals, a built-in LED flashlight for low-light conditions, and an auto power-off function to conserve battery life, this UL-listed tool meets CAT IV 600V safety standards. Perfect for electricians and engineers, it ensures reliable, hands-free voltage testing on outlets, wiring, and circuit breakers, making it an essential addition to any modern tool kit.











| ASIN | B01M24N714 |
| Best Sellers Rank | #185,266 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #433 in Voltage Testers |
| Brand | Southwire |
| Brand Name | Southwire |
| Color | Brown |
| Colour | Brown |
| Customer Reviews | 4.7 out of 5 stars 2,010 Reviews |
| Global Trade Identification Number | 00032886963025 |
| Included Components | Southwire 40116N Non-Contact AC Voltage Detector |
| Item Dimensions | 25 x 25 x 25 millimeters |
| Item Type Name | Southwire 40116N Non-Contact AC Voltage Detector |
| Item Weight | 0.16 Pounds |
| Item dimensions L x W x H | 25 x 25 x 25 millimeters |
| Item weight | 0.16 Pounds |
| Manufacturer | Southwire |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 100 Volts (AC) |
| Model | 40116N |
| Part Number | 59992040 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | UL |
| Style | Southwire 40116N Non-Contact AC Voltage Detector |
| Style Name | Southwire 40116N Non-Contact AC Voltage Detector |
| UPC | 032886963025 032886963032 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 104 Degrees Fahrenheit |
B**N
Works Great! Makes Life Much Easier!
After years of using multimeters to determine if a circuit is live, I finally decide to buy a non-contact voltage tester. Boy, am I happy that I did. The dangerous part of working on 110 V circuits is to try to get to the black (line voltage, hot wires) behind a light switch or plug, along with neutral (white). In my case, the yahoos who owned the house in the past did something beyond goofy, going into stupid territory. They spray painted the wires all white when they painted the walls. Now, imagine trying to probe the wires and not being sure what's what because they are all the same color! Even if it's different colors, there's always the risk of an electrical shock when you remove the wire nuts securing the connections. You're also holding the probes, plus the multimeter itself. If something slips, your instinct is to catch it, which means you might brush against a live wire. Having a NCVD makes life a lot easier. As always, test on a live circuit prior to each and every use, to make sure the tester still works.
D**.
Lo lleva a todos lados
Lo compré para el trabajo de mi esposo y me dice que lo lleva a todos lados. Él es ingeniero de Servicio y le da un buen uso, siempre lo carga y dice que es de los mejores.
F**Y
Good and economical
Economical safety tool. Works good and easy to use. Device has to be quite close to live circuits to consistently detect them. Solid build.
M**N
Excelente relación precio-servicio
Excelente sensibilidad para detectar voltaje y muy facil de usar, en adición la lampara que posee es de gran utilidad. excelente producto, presenta un apariencia muy ruda y ya teniendola en las manos, efectivamente esta muy bien construida.
R**P
Excellent
Seems to do the job..no issues..changed a two and a 3 pole smart switch. Definitely helped to have it..!!!
Trustpilot
3 weeks ago
2 months ago