If you're looking for a reliable way to test electrical circuits and devices for live voltage, a contact voltage tester is a must-have tool. With so many options available in the market, choosing the best one can be overwhelming. Before making a purchase, readers must consider several factors, including the type of tester, its accuracy, sensitivity, durability, and ease of use.
There are mainly two types of contact voltage testers: non-contact and contact testers. Non-contact testers use proximity sensing, while contact testers require direct contact with the electrical circuit. Both types have unique advantages and disadvantages, and readers must choose one based on their requirements. Additionally, readers should look for testers with a high level of accuracy, preferably with an accuracy of ±0.1 Volts. Sensitivity is also essential as it affects the tester's ability to detect weaker signal voltages accurately.
Durability is vital when choosing the best contact voltage tester. Reading reviews from previous buyers can provide insights into the tester's durability, and it's longevity, especially during extended use. Ease of use and functionality are also crucial, and readers must consider their experience level when selecting a tester that's user-friendly and provides adequate alerts and warning signals.
Are you worried about the safety of your electrical systems or appliances? Do you want to be sure of the voltage level before starting any repair work? Then a contact voltage tester is a tool you need. But with so many options available, which one should you choose? What are the factors to consider? Keep reading to find out.
10 Best Contact Voltage Tester
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The product is ideal for testing the presence of voltage in electrical systems without making contact, with both visual and audible indicators.
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2
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The product is an adjustable non-contact voltage tester with a flashlight, ideal for detecting voltage in various electrical systems.
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3
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The product is ideal for detecting and testing live/null wires, finding wire breakpoints, and measuring AC voltage levels.
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4
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The product is ideal for testing electric circuits and detecting voltage levels in the range of 100-500V.
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5
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The voltage tester is ideal for testing 80-480V AC/DC electrical systems.
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6
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It is an ideal tool for detecting electric contact voltage with dual head slot and Phillips screwdriver.
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7
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This product is ideal for testing electrical AC voltage and GFCI outlets/receptacles.
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8
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The product is ideal for detecting electric contact voltage in circuits using a screwdriver with dual heads.
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9
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The product is ideal for testing electrical circuits and detecting the presence of voltage without direct contact.
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10
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The product is ideal for non-contact voltage testing and temperature measurement with LED and audible alarms.
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1. Rangemaster Non-Contact Voltage Tester

Introducing the Non-Contact Voltage Tester, a versatile and reliable tool for detecting voltage in a wide range of applications. With its dual-range capabilities, this tool can detect voltage from as low as 12V AC to as high as 1000V AC, making it suitable for both low-voltage and standard voltage applications. Whether it's in security systems, entertainment, communications, environmental control, or irrigation systems, this voltage tester can help identify the presence of voltage without the need for direct contact.
This electrical voltage tester features simultaneous visual and audible indicators, providing an easy and efficient way to detect voltage. The green light indicates no voltage, while the audible indicator helps alert the user of the presence of voltage. This feature makes it easier for users to detect voltage in noisy environments or areas with poor lighting conditions.
The Non-Contact Voltage Tester is a lightweight and compact tool that comes with a pocket clip, making it easy to store and access when needed. Its auto power-off feature helps conserve and extend battery life, making it a reliable and convenient tool for everyday use.
With its CAT IV 1000V rating, this voltage tester provides expanded operation and protection, ensuring that users can safely and accurately detect voltage in a variety of applications.
2. Sperry Non-Contact Voltage Detector With Flashlight

Introducing the innovative non-contact voltage detector with a built-in flashlight, perfect for any electrician's toolkit. This device boasts an adjustable sensitivity range that can detect 12-1000V AC, making it an essential tool for both home and industrial use.
The circuit sensing feature is a patented technology that ensures accurate detection and safety. It also includes a battery self-test feature, which guarantees reliable performance every time.
With a 360° visual and beeping audio indicator, this non-contact voltage detector provides an audible and visible indication of voltage presence. This feature ensures the user's safety and helps in identifying live wires without having to make contact with them.
The device's compact size makes it easy to carry around, fitting into any pocket or tool belt. The pocket clip feature adds an extra layer of convenience by keeping it securely in place.
The non-contact voltage detector has a cETLus listed rating of 1000V, IV 600V, 10 ft drop and 250 lb crush, ensuring that it can withstand tough working conditions. The device's durability and reliability make it a must-have for any electrician, DIY enthusiast, or homeowner.
3. Neoteck Voltage Detector: Find Wiring Breakpoints Fast

The Neoteck professional AC voltage detector is a CE CAT III600V RoHS certified tool that ensures double insulation for maximum safety. It is an ideal device for DIY'ers, hobbyists, and homeowners who want to make the first and most important safety check. It comes with a high voltage alert that warns users of voltage above 90V. The screen turns red, and the safety symbol shines to indicate any hazardous condition. Please note that it is not suitable for Christmas light testing.
The 2022 upgraded circuit tester has a dual-range electrical tester mode. Its default mode is 48-1000V (Low Sensitivity), and the 'S' button switches to 12-1000V (High Sensitivity) for more sensitive and flexible measurements, meeting both standard and low voltage (12-1000V AC/48-1000V AC). It is easier to identify live and null wires when the wires are neighboring.
This voltage tester features a non-contact voltage tester with an LCD display. With the NCV inductive probe for AC voltage, place the tip near a terminal strip, outlet, or supply cord to detect live and null wires without any safety problem. The buzzer alarms slowly, light flashes slowly, and the LCD shows green for Null Wire. While the buzzer alarms quickly, light flashes quickly, and the LCD shows red for Live Wire.
This voltage tester pen also works as a perfect wire breakpoint finder. Use high-sensitivity mode during testing to help you find the breakpoint quickly and know the electrical problems. It is a handy voltage detector for electricians and homeowners.
The compact design of the Neoteck electric tester includes a bright LED flashlight that allows you to work in dim areas. It has an automatic power-off feature after 5 minutes of inactivity to ensure longer working time. The low-power indicator quickly lets you know the battery status. Additionally, its compact and pocket-sized design with a pen hook allows you to carry it in your shirt pocket.
4. Voltage Detector Screwdriver Set By Fielect

Looking for a versatile and reliable circuit tester that also functions as a screwdriver? Look no further than this handy tool! With a test voltage range of 100-500V and both AC/DC circuit compatibility, this circuit pen is perfect for a wide variety of electrical testing needs.
The neon tube light display makes it easy to detect voltage, with the brightness of the light indicating the strength of the voltage. To use, simply insert the screwdriver into the bottom of the pen and hold your finger against the end of the handle. The neon tube will light up when electricity is detected, allowing you to operate safely and with confidence.
This tool offers two types of usage, with both circuit testing and screwdriver capabilities. The metal rod features slotted and cross-recess screwdriver tips on either end, and should be inserted to the deepest position to ensure full contact.
Please note that this AC circuit tester light detector is for indoor use only and should be kept away from strong light sources. With its multiple functions and reliable performance, this circuit tester and screwdriver is a must-have for any DIY enthusiast or professional electrician.
5. Sperry Instruments Et6204 4 Range Voltage Tester, Yellow, 80-480v Ac/dc

This product boasts a patented feature that allows for easy one-hand testing with snap-in leads that are conveniently spaced to fit a standard outlet. The compact design is both ergonomic and comfortable to hold, featuring soft grips for added convenience. With hi-visibility voltage indication, it's easy to see and test for voltage within four different ranges from 80-480V AC/DC, and is UL listed for added peace of mind.
In addition to its functionality, this product is built to last with a durable heavy-duty design that can withstand tough conditions. Over-molded rubber grips provide additional grip and comfort, while a pocket clip allows for easy storage and accessibility. This product is designed to make testing voltage a breeze, while ensuring safety and reliability with every use.
Whether you're a professional electrician or a DIY enthusiast, this voltage tester is an essential tool in your arsenal. Its compact and durable design ensures it can handle any job, while its patented features and hi-visibility voltage indication make it easy to use and highly effective.
6. Fielect Dual Head Voltage Tester Screwdriver

Looking for a versatile and reliable circuit tester? Look no further than this voltage test electroprobe, designed to help you safely and easily detect voltage in a variety of applications. With a range of 100-500V and both AC/DC circuit compatibility, this electroprobe is perfect for use in a wide range of settings.
Featuring a neon tube light display, this electroprobe will light up when voltage is detected, with the brightness of the light indicating the level of voltage present. And with a flat head and cross head test head included, this electroprobe is perfect for use with a variety of screwdriver types.
To use the voltage test electroprobe, simply insert the screwdriver to the bottom of the device and hold your finger against the end of the handle. The neon tube will light up when electricity is detected, allowing you to safely and easily test for voltage in any circuit.
This electroprobe also includes two different usage options, with both a circuit electrical pen and screwdriver included. With slotted and Phillips screwdriver tips on both ends of the metal rod, you can easily switch between functions as needed. And when pulling out the metal rod, be sure to insert it to the deepest position to ensure full contact and accurate readings.
Please note that this AC circuit tester light detector is designed for indoor use only, and should be kept away from strong light sources to ensure accurate readings. With its versatile functionality and easy-to-use design, this voltage test electroprobe is a must-have for any toolkit.
7. Sperry Electrical Tester Kit: Non-Contact & Gfci Testing.

The electrical installation and troubleshooting process can be risky and dangerous if the presence of AC voltage is not detected prior to working on it. The GFI6302 and VD6504 Voltage Testers are expertly designed to verify the presence of AC voltage, ensuring safety during electrical work.
Crafted with durable, hi-impact resistant ABS housing and soft over-molded rubber grips, these testers are built to withstand the rigors of frequent use. The compact ergonomic design of the GFI6302 and VD6504 Voltage Testers make them easy to hold and handle, ensuring comfort during use.
The GFI6302 Voltage Tester features bright color-coded neon lights that quickly indicate the presence of AC voltage, making it easy to read and understand. The VD6504 Voltage Tester has a circuit sensing non-contact sensitivity that can detect 50-1000V AC and a patented battery self-test feature, providing reliable and accurate readings.
Both the GFI6302 and VD6504 Voltage Testers have an audible and visible indicator that alerts users to the presence of voltage. The 360° visual and beeping audio Non-Contact Voltage Detection feature of the VD6504 Voltage Tester provides maximum convenience and safety.
The GFI6302 Voltage Tester is rated CAT Rating III 300V, C-UL US, while the VD6504 Voltage Tester is rated CAT Rating III 1000V, IV 600V. Both testers can withstand a 10 ft drop and 250 lb crush, ensuring they can withstand tough environments.
8. Fielect Dual Head Voltage Detector Screwdriver

Introducing the versatile and easy-to-use voltage tester and screwdriver set, equipped with a variety of features that make it a must-have for any DIY enthusiast or professional electrician.
With a test voltage range of 100-500V and a circuit type of AC/DC, this circuit pen is capable of accurately detecting voltage in a range of applications. The neon tube light display is a useful feature, lighting up when the pen detects voltage and getting brighter with higher voltage levels.
Using the voltage test electroprobe is simple and safe. Before testing, insert the screwdriver to the bottom and hold the finger against the end of the handle. The neon tube will light up when there is electricity, making it easy to identify which circuits are live.
The double-head screwdriver feature is especially convenient, with two types of screwdriver tips on the both ends of the metal rod – slotted and cross-recess. When pulling out the metal rod, it's important to insert it to the deepest position to ensure full contact.
Please note that the AC circuit tester light detector is for indoor use only and should be kept away from strong light sources.
9. Southwire Tools & Equipment Tester, Ncvt Adv Dual 40150n, One Size, Multi

The pen-style non-contact electrical tester is a must-have for anyone working with electrical systems. This tester makes it easy to detect AC voltage without making contact with the electrical source. With audible and visual indication on two ranges (12 to 1000V and 100 to 1000V), you can be sure that you are detecting voltage accurately.
The bi-color LED feature verifies that the tester is on and the range selected, with a red LED and beeper indicating voltage is detected. This feature ensures that the user is aware of the voltage status at all times. The rugged IP67 waterproof and dust-tight housing has a 6' drop test rating, making it durable and reliable in any work environment.
In addition to its voltage detection capabilities, this electric tester features a built-in forward and rear-facing flashlight for user convenience. This multi-functional feature makes it easier to work in low light conditions.
It is important to note that the tester will not detect voltage if the voltage is DC, the wire is shielded or in a grounded metal box or conduit, the user is not grounded or is isolated from earth ground, the detector tip cannot be fully inserted into the electrical outlet, the electrical outlet is a Tamper-Resistant design, the user is not holding the detector or the user's hand is insulated from the detector (i.e. with a glove), or the voltage source or wire is partially buried.
10. Volt Tester With Ir Thermometer

This Voltage Tester has been uniquely designed for HVAC applications, making it an ideal tool for professionals in this field. With its Non-Contact Voltage Tester feature, this product provides a non-intrusive way to determine AC voltage in various applications such as cables, cords, circuit breakers, switches, outlets, wires, security, entertainment, communications, environmental control, and irrigation systems.
The Voltage Tester features a state-of-the-art technology that can detect AC voltage from 12 to 1000V with both visual and audible indicators. This allows the user to quickly and easily identify voltage levels without the need for direct contact, making it a safer and more efficient method of testing.
In addition to its voltage detection capabilities, the Voltage Tester also includes a 4:1 distance-to-spot ratio IR thermometer. This feature allows the user to measure temperature with a high degree of accuracy. The thermometer has a user-selectable option of Degrees Fahrenheit or Degrees Celsius, with a range of -22 to 482-Degree Fahrenheit (-30 to 250-Degree Celsius). A convenient laser pointer is also included to help target the measurement area for temperature readings.
Best Contact Voltage Tester FAQs
Can a contact voltage tester measure both AC and DC voltage?
It depends on the specific model of the contact voltage tester. Some models are designed to measure only AC voltage, while others can measure both AC and DC voltage. It is important to check the specifications of the tester before using it to ensure that it is suitable for the type of voltage being measured. AC voltage is commonly found in household electrical systems, while DC voltage is often used in automotive and electronic applications. Some testers may have specific ranges for AC and DC voltage, so it is important to use the correct setting when measuring voltage. When using a contact voltage tester, it is important to follow all safety instructions and guidelines to avoid injury or damage to equipment.
How to properly use a contact voltage tester for safety purposes?
A contact voltage tester is an essential tool for anyone who works with electrical systems. When used properly, it can help you determine if a wire or electrical device is "live" or energized. Here are the steps to use a contact voltage tester safely:
1. Check the tester: Before using the tester, make sure it is in good condition and working properly. Check the batteries and the leads to ensure they are not damaged or worn.
2. Test the tester: Test the tester on a known live circuit to confirm that it is working.
3. Wear protective gear: Before testing, wear appropriate protective gear such as gloves and safety glasses.
4. Turn off the power: Turn off the power to the circuit you are testing.
5. Test the circuit: Touch the tip of the tester to the circuit or wire you want to test. If the tester lights up or beeps, the circuit is live and you should not touch it.
6. Double-check: Double-check your results by testing the circuit again or using a different method to confirm the circuit is de-energized.
7. Clean up: After testing, clean up your work area, store your tools properly, and dispose of any hazardous materials.
Remember to always follow safety guidelines when working with electrical systems and use a contact voltage tester as a tool to enhance your safety.
How to troubleshoot issues with a contact voltage tester?
A contact voltage tester is a useful tool for detecting live electrical wires and current in electrical systems. If you are experiencing issues with your contact voltage tester, here are some troubleshooting tips:
1. Check the batteries: One of the most common issues with contact voltage testers is dead or low batteries. Check the battery level and replace them if necessary.
2. Test the tester: Test the tester by touching it to a known live circuit. If it does not detect voltage, it may be faulty and need to be replaced.
3. Clean the tester: Dirt, dust, and debris can affect the performance of the tester. Clean the tester with a soft, dry cloth to remove any debris.
4. Check the wiring: Check the wiring of the tester and ensure that it is connected properly. Loose or damaged wiring can affect the accuracy of the tester.
5. Calibrate the tester: If your tester has a calibration function, use it to ensure that it is reading accurately.
If none of these troubleshooting tips work, it may be time to replace your contact voltage tester. It is important to ensure that your tester is working properly to avoid electrical hazards.
What are the different types of contact voltage testers available in the market?
There are several types of contact voltage testers available in the market, each with its own unique features and benefits. One of the most common types is the non-contact voltage tester, which allows electricians to quickly and easily determine the presence of voltage without having to touch the wire or electrical equipment.
Another type is the two-pole voltage tester, which is used to measure the voltage between two points in a circuit. These testers are typically more accurate than non-contact testers but require physical contact with the circuit.
There are also specialized testers available for specific applications, such as low voltage testers for telecommunications and data networks, and high voltage testers for industrial and utility applications.
Finally, some testers are designed for specific environments, such as waterproof testers for use in wet or damp conditions, and explosion-proof testers for use in hazardous environments.
Ultimately, the type of contact voltage tester you choose will depend on your specific needs and the requirements of the job at hand. It's important to choose a high-quality tester from a reputable manufacturer, and to follow all safety precautions when working with electrical equipment.
What are the features to look for in a good contact voltage tester?
A good contact voltage tester is an essential tool for anyone who works with electrical systems. When choosing a contact voltage tester, there are several features that you should look for.
Firstly, it should be easy to use and understand. The tester should have clear instructions and be intuitive to use, even for those who are not experienced with electrical systems.
Secondly, the tester should have a wide range of voltage detection capabilities. It should be able to detect low voltage as well as high voltage, and have the ability to test both AC and DC currents.
Thirdly, safety features are important. The tester should have a non-conductive tip and be designed to prevent accidental shocks.
Fourthly, durability is a key feature. The tester should be built to last and withstand regular use in tough working conditions.
Lastly, a good contact voltage tester should have clear and accurate readings. It should provide reliable, consistent readings to ensure the safety of those working with electrical systems.
Overall, when choosing a contact voltage tester, you should look for a tool that is easy to use, has a wide range of voltage detection capabilities, is safe and durable, and provides clear and accurate readings.
What is a contact voltage tester and how does it work?
A contact voltage tester is a tool used to detect the presence of electrical voltage in an object or surface. It works by detecting the electric field around the object or surface being tested. The tool typically consists of a pen-shaped device with a metal tip and a small LED light or audible alarm.
To use the contact voltage tester, the tip of the device is touched to the object or surface being tested. If voltage is present, the LED light will light up or the alarm will sound, indicating the presence of electrical current. This can be a useful tool for electricians and other professionals who need to ensure that electrical equipment and wiring are properly grounded and safe to work on.
It is important to note that a contact voltage tester should always be used in conjunction with other safety practices, such as wearing protective gear and following proper electrical safety procedures. Additionally, it is important to use a high-quality, reliable contact voltage tester to ensure accurate readings and safe working conditions.
What is the accuracy level of the best contact voltage tester?
The accuracy level of the best contact voltage tester is typically very high. Professional-grade testers can detect voltage levels with an accuracy of up to 0.1 volts. However, it is important to note that the accuracy of a contact voltage tester can be affected by various factors such as the quality of the tester, the age of the batteries, and the ambient temperature.
To ensure the highest level of accuracy, it is recommended to choose a high-quality contact voltage tester from a reputable brand. Additionally, it is important to follow the manufacturer's instructions and perform regular calibrations to maintain the accuracy of the tester.
Overall, the accuracy of a contact voltage tester is an important factor to consider when selecting a tool for electrical testing and safety. A reliable and accurate tester can help prevent electrical accidents and ensure the safety of both the user and the equipment being tested.
What is the price range of the best contact voltage testers?
The price range for the best contact voltage testers can vary depending on the brand and features. Generally, you can find contact voltage testers ranging from $10 to $100. The lower-priced testers may have fewer features and may not be as reliable, while the higher-priced ones may have more advanced features such as audible and visual alerts, built-in flashlights, and higher accuracy readings. It is important to choose a voltage tester that meets your specific needs and budget. It is also important to make sure that the tester is certified by a recognized safety organization, such as UL or CSA, to ensure that it meets safety standards. Overall, investing in a quality contact voltage tester can provide peace of mind and help prevent electrical accidents.
Where can I purchase the best contact voltage tester?
The best place to purchase a contact voltage tester is from a reliable hardware or electrical store. You can also find several online retailers that offer a vast range of contact voltage testers from various brands. Some popular online stores for purchasing contact voltage testers include Amazon, Home Depot, Lowe's, and Grainger. These stores have a vast selection of contact voltage testers that you can choose from, and they also offer customer reviews and ratings that can help you make an informed decision. It is essential to ensure that you purchase reputable brands that meet industry standards and come with warranties to ensure that you get the best value for your money. Before making a purchase, always read the product specifications, features, and customer reviews to ensure that the contact voltage tester meets your needs and requirements.
Which brands are known for producing the best contact voltage testers?
There are several brands that are known for producing the best contact voltage testers. Some of the most popular brands in this category include Fluke, Klein Tools, Greenlee, and Ideal.
Fluke is a well-known brand that produces high-quality contact voltage testers that are durable, reliable, and accurate. Their testers are designed to be easy to use and provide accurate measurements in a variety of different settings.
Klein Tools is another popular brand that produces a range of contact voltage testers. Their testers are known for being durable and reliable, and they offer a range of different models to suit different needs and budgets.
Greenlee is also a popular brand in this category, producing a range of high-quality contact voltage testers that are designed for use in industrial and commercial settings. Their testers are known for being accurate, reliable, and easy to use.
Ideal is another brand that produces a range of contact voltage testers, including both basic and advanced models. Their testers are known for being accurate, reliable, and affordable, making them a popular choice for both professionals and DIYers.
Ultimately, the best brand for a contact voltage tester will depend on your specific needs and budget. It's important to do your research and choose a brand that is known for producing high-quality, reliable testers.