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AC Voltage Detector - Electrical Testers

Triplett offers a variety of electric testers such as non-contact AC voltage detectors, microprocessor circuit breaker locators, commercial electric AC voltage testers, non-contact electric testers, and so on. Our commercial AC voltage testers such as tone and probe wire and circuit tracers can quickly identify un-energized wires of business networks, telephones, and so on. They come with audiovisual notifications. Our non-contact AC voltage testers possess amazingly adjustable sensitivity, and hence it detects low voltage wiring issues in appliances such as door bells, control circuits, thermostats, and so on. We also offer non-contact electrical testers with magnetic field detection. We assure the safety, cost effectiveness, as well as accuracy of all our commercial electric AC voltage detectors.

An electrical tester is a device which measures a number of electrical parameters such as current, potential difference, the presence of electricity in a circuit or wire, and so on. The tester is used by power supply technicians and electricians to check all these parameters in a circuit, electric appliances, live wires, and so on. These devices are also known as voltage detectors, circuit testers, and many other names depending upon their function. They are handy and compact and can be easily carried in hand. 

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  • Original price 262.00 NIS - Original price 262.00 NIS
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    3-in-1 Circuit Breaker Finder - (CBF200)

    Triplett
    In stock

    Used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected. The Transmitter is connected to the el...

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    Original price 262.00 NIS - Original price 262.00 NIS
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  • Original price 176.00 NIS - Original price 176.00 NIS
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    Breaker Sniff It™ Micro-Processor Circuit Breaker Locator: 120/220 VAC Transmitter - (9650)

    Triplett
    In stock

    The Triplett Breaker Sniff-It™ is a microprocessor-based circuit breaker locator designed for high accuracy results. Read More > DESCRIPTION T...

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    Original price 176.00 NIS - Original price 176.00 NIS
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  • Original price 94.00 NIS - Original price 94.00 NIS
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    Non-Contact Voltage and Magnetic Field Detector: AC Voltage Ranges 24 to 1000V & 90 to 1000V - (ET350)

    Triplett
    In stock

    The Triplett Model ET350 (for US use) combines a Non-Contact Voltage and a Magnetic Field Detector. Read More > DESCRIPTION The Triplett Model E...

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    Original price 94.00 NIS - Original price 94.00 NIS
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  • Original price 38.00 NIS - Original price 38.00 NIS
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    Non-Contact AC Voltage Detector (ET330)

    Triplett Test Equipment & Tools
    In stock

    The Triplett ET330 Non-Contact Voltage Detector can easily check for the presence of AC Voltage before working on a circuit. Read More >   DESCR...

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    Original price 38.00 NIS - Original price 38.00 NIS
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  • Original price 94.00 NIS - Original price 94.00 NIS
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    Tone and Probe Wire Tracer and Circuit Tester: POTS Line Tip and Ring Testing 24VAC - (CTX30)

    Triplett
    In stock

    Quickly trace various types of unenergized cable including electrical wire, twisted pair, LAN, multi-conductor, telephone, alarm and others. It fea...

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    Original price 94.00 NIS - Original price 94.00 NIS
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    94.00 NIS
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    Original price 1,311.00 NIS - Original price 1,311.00 NIS
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    Dual Input True RMS AC Voltage/Current Datalogger (ACDL200)

    Triplett Test Equipment & Tools
    Low stock

    The Triplett Model ACDL200 Dual Input True RMS AC Voltage(600V) /Current (200A) Datalogger can datalog up to 131,000 measurements (dual input) or 2...

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    Original price 1,311.00 NIS - Original price 1,311.00 NIS
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  • Original price 169.00 NIS
    Original price 169.00 NIS - Original price 169.00 NIS
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    Refurbished Breaker Sniff It™ Micro-Processor Circuit Breaker Locator: 120/220 VAC Transmitter - (9650R)

    Triplett
    Low stock

    The Triplett Breaker Sniff-It™ is a microprocessor-based circuit breaker locator designed for high accuracy results. Read More > DESCRIPTION Th...

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    Original price 169.00 NIS
    Original price 169.00 NIS - Original price 169.00 NIS
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  • Original price 45.00 NIS - Original price 45.00 NIS
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    Sniff It 3 Non Contact AC Voltage Detector - (9606)

    Triplett
    In stock

    Triplett Sniff-It 3 is a high-performance AC Voltage detector with adjustable sensitivity that has a wide measurement range of 25 to 1000ACV, Dual ...

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    Original price 45.00 NIS - Original price 45.00 NIS
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    Original price 1,086.00 NIS - Original price 1,086.00 NIS
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    True RMS AC Voltage/Current Datalogger (ACDL100)

    Triplett Test Equipment & Tools
    In stock

    The Triplett Model ACDL100 True RMS AC Voltage/Current Datalogger can datalog up to 100,000 measurements and provides single channel recording of T...

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    Original price 1,086.00 NIS - Original price 1,086.00 NIS
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  • Original price 57.00 NIS - Original price 57.00 NIS
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    Sniff It Non Contact AC Voltage Detector - (9602)

    Triplett
    In stock

    The Triplett Sniff-It 2 is a high performance non-contact AC Voltage detector with adjustable sensitivity. It provides a wide measurement range of ...

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    Original price 57.00 NIS - Original price 57.00 NIS
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    57.00 NIS
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  • Original price 94.00 NIS
    Original price 94.00 NIS - Original price 94.00 NIS
    Original price 94.00 NIS
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    Current price 57.00 NIS

    Refurbished Tone and Probe Wire Tracer and Circuit Tester: POTS Line Tip and Ring Testing 24VAC - (CTX30R)

    Triplett
    Out of stock

    Quickly trace various types of unenergized cable including electrical wire, twisted pair, LAN, multi-conductor, telephone, alarm and others. It fea...

    View full details
    Original price 94.00 NIS
    Original price 94.00 NIS - Original price 94.00 NIS
    Original price 94.00 NIS
    Current price 57.00 NIS
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  • Original price 19.00 NIS - Original price 19.00 NIS
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    Sniff It Jr Non Contact AC Voltage Detector - (9604)

    Triplett
    Out of stock

    The Triplett Sniff-It™ Jr is a Non Contact AC Voltage detector with a built-in flashlight.  It detects AC voltage from 50 to 600V and has aubile an...

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    Original price 19.00 NIS - Original price 19.00 NIS
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    19.00 NIS
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  • Original price 131.00 NIS - Original price 131.00 NIS
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    Non-Contact AC Voltage Detector and Phase Sequence Indicator (ET400)

    Triplett Test Equipment & Tools
    In stock

    The Triplett ET400 combines a Non-Contact Voltage and Phase Sequence Tester. It has dual AC voltage ranges:  Read More > DESCRIPTION The Triplet...

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    Original price 131.00 NIS - Original price 131.00 NIS
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    131.00 NIS
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  • Original price 75.00 NIS - Original price 75.00 NIS
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    113.00 NIS
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    Sniff It 2 Non Contact AC Voltage Detector - (9601)

    Triplett
    Out of stock

    This Product has been discontinued. Limited Stock The Triplett 9601 Sniff-It 2 Non-Contact AC Voltage Detector is a high performance AC voltage...

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    Original price 75.00 NIS - Original price 75.00 NIS
    Original price 75.00 NIS
    113.00 NIS
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    Original price 936.00 NIS - Original price 936.00 NIS
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    936.00 NIS
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    Non-Contact High AC Voltage Detector - (HVD132)

    Triplett Test Equipment & Tools
    In stock

      The Triplett Model HVD132 Non-Contact High AC Voltage Detector has two ranges (High 1.5kV to 132kV/Low 50V to 1.5kV) to check and detect live h...

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    Original price 936.00 NIS - Original price 936.00 NIS
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    936.00 NIS
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    Current price 936.00 NIS

Know More About Triplett AC Voltage Detector

What is an Electrical Tester?

An electrical tester is a handheld tool used to determine the presence or absence of electrical voltage and/or current in an electrical circuit or device quickly and easily. There are different types of electrical testers available, but the most common type is a non-contact voltage tester. Electrical testers can detect AC only, DC only, or both AC and DC signals. Some electrical testers also have additional features, such as the ability to measure voltage levels, continuity testing, or resistance measurements.

What is an AC Voltage Detector?

An AC voltage detector, also known as an AC voltage tester or AC voltage pen, is a specific type of electrical tester used to detect the presence of alternating current (AC) voltage in electrical systems.

What is Contact and Non-Contact Voltage Testers?

Voltage testers come in two types: contact and non-contact. The primary distinction between them lies in how they make contact with the electrical source being tested.

Contact voltage testers, also referred to as probe testers or voltage detectors, necessitate direct physical contact with the electrical source being tested. These testers generally comprise a handheld device equipped with a probe or leads that are either touched or inserted into the circuit. Upon making contact with an energized conductor or component, the probe detects the voltage and signals its presence.

Non-contact voltage testers, also known as voltage detectors or proximity testers, do not require direct physical contact with the electrical source. They utilize technologies such as capacitive, inductive, or magnetic field sensing to detect the electric field generated by an energized source.

What is AC and DC Electrical Testers?

The most common testers measure AC signals. AC (alternating current) is the power that is provided by utility companies to homes, offices, and manufacturing plants. AC signals are present at breaker panels, wall outlets, switches, light fixtures, etc. DC testers (direct current) are geared toward the measurement of low voltage signals associated with battery powered circuits. 

Built-in IR Thermometer with LCD displays non-contact temperature measurements!

Electrical Testers detect the presence of voltage or current at an outlet, power strip, light fixture, wall switch, or any location where electricity may be present. The user places the tester near (in the case of a non-contact tester) or in touch with (in the case of a contact tester) an electrical circuit. The tester may provide the measurement results audibly, visually, or by both means. Audible detection is usually by way of chirping tones that grow louder and more insistent as the electricity amount increases. Visual alerts can be simple LED lights or full digital readouts with bar graphs. 

Difference between a multimeter and a voltage tester?

While both multimeter and the voltage testers serve a similar purpose of measuring electrical parameters, there are notable differences between the two.

A multimeter is a versatile unit commonly used in electrical and electronics industries, as well as by professionals such as electricians and technicians to measure voltage, current, and resistance. Encompassing digital or analog display screen, probes for measuring, and various settings and functions, multimeters are known to provide precise and accurate measurements, making them essential for troubleshooting and diagnostics. Some models of multimeters are also available with additional features such as continuity testing, diode testing, and capacitance measurement.

On the other hand, a voltage tester is a simpler tool that is generally utilized to determine the presence or absence of voltage. Voltage testers are handy and offered in a pen-shaped design with a built-in probe and an indicator, such as an LED light or an audible alarm. This simple and easy to use device is commonly used by homeowners and DIY enthusiasts for quickly identifying live circuits or verifying if a circuit is de-energized before performing maintenance or repairs.

Benefits of AC Voltage Detectors

AC voltage detectors offer numerous benefits that ensure safety and efficiency. A few of the key advantages of using voltage detectors in professional settings include:

  • Safety: Voltage detectors play a significant role in detecting electrical current, helping prevent accidents and injuries.
  • Cost-effective Maintenance: Prompt detection and addressing of electrical issues prevent further damage and system failures, minimizing repair costs.
  • Time-Saving and Efficiency: Voltage detectors enable quick location of live circuits, saving time and effort in industries relying on electrical systems.
  • Compliance with Industry Regulations: Adherence to safety regulations requiring voltage detectors demonstrates commitment to a safe work environment.
  • Versatility and Flexibility: Professionals can choose from a range of voltage detectors to meet specific requirements, from non-contact detectors to advanced models for accurate voltage measurement.

How to Use an AC Voltage Detector?

Triplett’s much handy, easy-to-use, and accurate non-contact AC voltage detector is a simple, pen-like device. This device can detect a wide range of voltage including low values found in thermostats, control systems, and more. It comes with audiovisual alarms and flashlights. This AC voltage detector detects voltage before circuit is functional and the mains is switched off. The tester need not touch any wires when using this AC non-contact voltage tester. This commercial electric voltage tester is one such device every electrician or related professional must have in their kit. Here are some pointers regarding its usage.

  • First, identify the circuit for voltage detection and ensure the mains is off. The circuit you need to check must be on.
  • This AC voltage detector is insulated and even then it issues an alert when it come close to any live wire. This depends on the type and size of the electric field. For instance, any non-contact AC voltage detector will identify this field from a distance if the wire is freely hanging. On the other hand, it may need to get close to the wire if it is grounded or against a wall, and so on. This is because the surrounding earth will shield the electric field created. The electric field is denser near the conducting element; it reduces in the space away from the conductor.
  • All you need to do is simply insert the tip of the tester into the right plug. You can also check the receptacle wiring for wrong wire connections. If there is voltage produced, the ester will light up.
  • You can unscrew the receptacle and directly check the wires to ensure they do not have current flowing.
  • Likewise, you can check power switches, lighting fixtures, and so on by unscrewing the light, cover plate, and so on. After unscrewing, you can simply put the tester tip onto the central button.

Applications of AC Voltage Detectors

AC voltage detectors play a crucial role in enhancing safety and efficiency across a wide range of settings. These devices are versatile tools that help users identify the presence of live electrical currents without making direct contact. Here are some key applications of AC voltage detectors:

  • Electrical Maintenance and Troubleshooting: AC voltage detectors are commonly used by electricians and maintenance technicians to quickly locate live wires and circuits in electrical panels, junction boxes, and wiring systems. They aid in identifying faulty wiring, short circuits, and potential hazards.
  • Residential Electrical Work: Homeowners and DIY enthusiasts use AC voltage detectors to ensure safety when working on home electrical projects. These detectors help in identifying live wires, verifying circuit breakers, and confirming the absence of voltage before starting repairs or installations.
  • Commercial and Industrial Environments: AC voltage detectors are essential tools in commercial and industrial settings, such as factories, warehouses, and construction sites. They assist workers in identifying live circuits, testing outlets, and verifying the status of electrical equipment.
  • HVAC System Maintenance: HVAC technicians use AC voltage detectors to identify live wires within heating, ventilation, and air conditioning systems. This helps in diagnosing electrical issues and ensuring safe maintenance and repairs.
  • Appliance Troubleshooting: When appliances malfunction, AC voltage detectors aid in determining whether power is reaching the device. This helps users identify if the issue is due to an electrical problem or a malfunction within the appliance itself.
  • Automotive Maintenance: AC voltage detectors are useful in the automotive field for diagnosing electrical issues in vehicles. Technicians can quickly identify live circuits, helping them pinpoint problems related to lighting, wiring, and electrical components.
  • Testing GFCI Outlets: Ground Fault Circuit Interrupter (GFCI) outlets are designed to protect against electrical shock. AC voltage detectors are used to verify the proper functioning of GFCI outlets and to ensure they are working as intended.
  • Safety Checks in Construction: Construction workers use AC voltage detectors to ensure that construction sites are safe before starting work. Detecting live wires and circuits helps prevent accidents and hazards during building and renovation projects.
  • Data Centers and Network Installations: AC voltage detectors are employed in data centers and network installations to check for live circuits before handling networking equipment and power distribution units. This prevents potential disruptions and equipment damage.

Browse More Electrical Test & Measurement Collections

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