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AC90-1000V Induction Type AC Circuit Detector Voltage Tester Tool

Digg(130) ( 10 Reviews)
US $6.99
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Simply touch the tip to a terminal strip, outlet or cord. This is a AC Circuit Voltage Tester Tool. Easy to use. No harm to your device. The circuit detector tester can Help you find broken and live wires. Use the voltage tester tool to tests fuses, light sockets and locates short circuits. The circuit voltage tester tool is ideal for auto, trucks, motor cycles, boats, and small engines. Electricians, maintenance, service, safety personnel can quickly test for energized circuits and defective grounds on the factory floor, in the shop. What are you waiting for?
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Product Description

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  • Specifications:

    • Working Voltage: AC 90-1000V
    • Operational Power Supply: 2 x AAA
    • Operating Temperature: -10~50°C
    • Storage Temperature: 10 - 50 °C
    • Humidity:  ≤ 95%
    • Size: 154 x 29 x 16mm/6.1 x 1.1 x 0.6in(L x W x H)


    • Light in handle that glows when circuit connection is made
    • The circuit voltage tester tool can Help you find broken and live wires
    • Use the circuit voltage tester tool to tests fuses, light sockets and locates short circuits
    • The circuit detector tester is ideal for auto, trucks, motor cycles, boats, and small engines
    • Insert the connector into the voltage tester tool main body
    • Ground the jaw and use the tip of the electrical tester to detect, by piercing to the end of the flexible wire or the wire itself


    Unisc AC90-1000V Induction Type AC Circuit Detector Voltage Tester Tool

    • The Electrical Tester can help you find broken and live wires
    • Use the circuit voltage tester tool to tests fuses, light sockets and locates short circuits

    Circuit Voltage Tester Tool

    • Ground the jaw and use the tip of the electrical tester to detect, by piercing to the end of the flexible wire or the wire itself

    Circuit Detector Tester

    Size in Detail:

    Voltage Tester Too

    Voltage Tester Instructions:

    Making electrical repairs in your home can save you hundreds of dollars in service costs. One tool you'll need to get started is a voltage tester. If you have a voltage tester, you can test outlets and light switches to see if voltage is present in their circuits. The most basic type of voltage tester consists of a small, pen-like device with a red lead and black lead extending from it.

    • Plug the red lead of the voltage tester into the red socket.
    • Plug the black lead into the black socket.
    • Touch one lead of the voltage tester to one terminal of the device or into the outlet. Because you're testing voltage, you need to leave the power on.
    • Touch the other lead of the voltage tester to the other side of the device or slide it into the other outlet.
    • Look at the neon bulb. If you see it glowing, it means voltage is present across the device or electrical outlet. If your voltage tester has a digital readout, take the measurement. Standard household electrical outlets should measure as 120 volts AC.

    How to Test for Voltage?

    • Figure out which circuit you are going to be working on. Turn off the breaker that you believe is delivering the power to it. For a wall receptacle, many people will just plug a lamp into the outlet to see if the line is still hot. This is unreliable because if the bulb is blown, you may still be dealing with a live circuit. Always use a voltage tester to check for power.
    • Next, there are a number of different voltage testers available on today's market. Which one you prefer to use is up to you. If you are not well-versed in dealing with electricity, then I would recommend avoiding the multimeters that can be found in hardware supply stores. Multimeters feature multiple applications like testing for voltage, resistance and amperage. To keep matters simple, stick with a voltage-only tester.
    • The image you see here is a traditional voltage tester. The two leads get inserted into the two slots on a regular outlet (one lead in each slot). If the outlet is still hot, then the voltage indicator on the unit will notify you. If you have an outlet or switch already removed from the wall, then one lead will be placed on one of the "hot" terminals and the other lead gets placed on one of the "neutral" terminals. If you test it and nothing happens, the line is dead--but always double-check the work ability of your tester by testing it in an outlet you know to be hot before assuming the circuit is off! The cost for this tester is in the $20 to $30 range.
    • This type of voltage tester is similar to the one above it, but it is a more basic version. It also features two leads, but with this tester, if voltage is present, there are lights that will illuminate to notify you.
    • The voltage tester you see here is called a "no-contact" voltage tester. It features a thin tip that fits easily in the slot on the front of a receptacle. When voltage is detected, the tip will illuminate and some models will alert you by audio as well. It is called "no-contact" because it does not have to touch the actual terminals on the electric component in order to read voltage. You can simply touch the tester's tip to a wire and it will notify you of voltage. The one drawback with this tester is that it is very sensitive, so if you have more than one circuit in a box, it may pick up on the voltage running through the other wires, even though the circuit you are concerned about is off.
    • Another type of voltage tester that works great for the do-it-yourselfer is the plug-type voltage tester. It resembles a regular plug and all you have to do is plug it in to a receptacle. There are a series of lights on the tester that will indicate if there is voltage detected. But these testers will also tell you much more. For instance, depending on which lights on the tester light up, you may determine that you have lost the neutral, the outlet may not be grounded properly or the wires may be reversed. The only downfall about this voltage tester is that it is only used for testing receptacles.
    • This is an area that can get quite involved as far as voltages go, but for the do-it-yourselfer, checking for voltage is a fact of whether the circuit is active or not. If you use a digital voltage tester and you notice a fluctuation in voltage or you get a reading above or below your normal house voltage, you should call in an experienced electrician immediately.

    Package Included:

    • 1 x AC90-1000V Induction Type AC Circuit Detector Voltage Tester Tool

Customers' Reviews

  ( 10 Reviews)
Ease Of Use:

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I have bought this product


from (Australia)

Bought this item on

  • Pros: Easy to use. Accurate. Great for a light too. Batteries last months
  • Cons: None
  • Other Thoughts: I am a professional electrician and use this every workday. Always test live first then dead then live, then dead. Its best to be 100% SURE. I have sold several to builders to keep them safe for renovations. I usually pay 4-5 times this price locally. Press the button, light is on then look for beeping & flashing red light when touching the tip on the cable or near switch ect.

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Darryl McKinney

Bought this item on

00:00:00 03-29-2011 Great product. Overall:  
  • Other Thoughts: Great for residential, commercial or industrial. I bought this for my job in commercial/industustrial environment. I ve dropped it off ladder, water and still works. No problems. High quality cheaper than retail.

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terry kessler

Bought this item on

00:00:00 03-27-2011 Great Product, Does what is says it does. Overall:  
  • Other Thoughts: Since I work for a company that uses the one, I immediately figure this product will do exactly what I want it to do but, be more expensive then other products. I was wrong, the price was good and worth it, I purchased a different product (later returned to buy this one) and it worked but, not as good as this one. Even though this is a non-contact tester, you still need to touch a wire to tell it's hot but, it tells you which is the hot wire compared to other testers that just go crazy when you get close to something hot. This is helpful in home improvement tasks with old wiring. <br/> <br/>Great Product, will recommend to others. <br/> <br/>Thanks

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Melissa Goupil

Bought this item on

00:00:00 03-25-2011 Not bad overall. Overall:  
  • Other Thoughts: Got this after using a GB unit for years. I states it senses 90-1000V, which probably explains why the tip has to almost be touching a wire before the light goes off. In some cases, it will light up on one side of the romex, but not on the other. My GB unit would go off half an inch away. It's sensitivity is rated at 50-600V, so maybe more appropriate for homeowner use. In any case, I like the quality of build and the fact that it takes AA batteries.

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Bought this item on

  • Other Thoughts: Have not gotten zapped yet - this thing seems to work. It is made in China.

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Warren Hachet

Bought this item on

00:00:00 03-19-2011 Handiest tool I own! Overall:  
  • Other Thoughts: This is the first tool I grab when I'm doing electrical work. It has never let me down. Well worth the money.

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Tara Robertson

Bought this item on

00:00:00 03-18-2011 Extra hand. Overall:  
  • Other Thoughts: This is a great tool. Is the wire hot? Pull the tester out of your pocket like an ink pen and touch the wire, now you know. I even use it to locate CB. Turn tester on audio and lay tester next to hot wire. Go to BC box and flip breakers until the tone stops.

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Bought this item on

00:00:00 03-13-2011 Great Voltage Tester Tool! Overall:  
  • Other Thoughts: my title says it all----this was ordered and shipped, arrived in perfect condition. cannot say much more about amazons service. perfect

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Bought this item on

00:00:00 03-09-2011 Circuit Detector Tester Overall:  
  • Other Thoughts: Used this as one of my gifts for my Hubby...he was thrilled! Any gadget for him to test electricity is a hit!!!

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guillaume vandendriessche

Bought this item on

00:00:00 02-25-2011 Circuit Voltage Tester Tool Overall:  
  • Other Thoughts: I have seen this tester used by contractors/electricians on TV. I had to replace a celing fan, house wiring is not what it should be. Turning off the circuit breaker to this room did not kill the power to the fan. The tester showed the wires still live (just by touching the probe to the outside of the insulated wire), probably saving me from a nasty shock. I turned more breakers off and no electricity to the fan and no shock.

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