Circuit Tester

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A circuit tester is a device used to determine the presence or absence of an electrical current in a circuit. It is designed to verify whether electricity can flow through a specific point in the circuit and helps identify issues such as open circuits, short circuits, or faulty components. Typically, a circuit tester consists of a probe or a set of probes that are applied to different points in the circuit, providing visual or audible indications of the electrical status. This tool is widely used by electricians, technicians, and DIY enthusiasts to troubleshoot electrical systems and ensure proper functional


  1. pc handle
  2. Capacity from 110V to 250V
  3.  VED Certified.
  4. packed by plastic hanger



  1. Open Circuit Identification: Circuit testers can determine if there is an open circuit, where the electrical current is interrupted or not flowing through the circuit as intended. This is useful for identifying breaks in wires or connections.
  2. Short Circuit Detection: Short circuits occur when there is an unintended connection between different points in a circuit. Circuit testers can help locate and identify short circuits, which can be crucial for preventing electrical fires or damage to components.
  3. Voltage Verification: Circuit testers can be used to verify the presence of voltage in a circuit. This is essential for ensuring that power is reaching the intended components or devices.
  4. Continuity Testing: These testers are often used to check the continuity of a circuit, ensuring that there is a complete path for the electrical current. This is important for verifying the integrity of wires, switches, and other components.
  5. Ground Fault Detection: Circuit testers can help identify ground faults, where the electrical current unintentionally flows to the ground. Ground faults can be hazardous, and a circuit tester can be used to locate and address these issues.
  6. Outlet and Socket Testing: In residential and commercial settings, circuit testers are used to check the functionality of electrical outlets and sockets. This includes verifying proper wiring, grounding, and polarity.
  7. Automotive Electrical Troubleshooting: Circuit testers are widely used in automotive diagnostics to identify and resolve electrical issues in vehicles. They can help pinpoint faults in wiring, fuses, and other components.
  8. Appliance Repair: When appliances malfunction, circuit testers are employed to identify electrical problems within the appliances. This includes checking power cords, switches, and internal wiring.
  9. Safety Checks: Circuit testers are essential for safety inspections, ensuring that electrical systems meet safety standards and regulations. They help identify potential hazards and prevent electrical accidents.
  10. DIY Electrical Projects: Circuit testers are valuable tools for individuals undertaking do-it-yourself (DIY) electrical projects. They provide a means to verify the correctness and safety of electrical work.
SKU: AHS43626 Category:


110V TO 250V

Safety measures and precautions

  1. Inspect the Circuit Tester:
    • Before use, inspect the circuit tester for any signs of damage or wear. Ensure that the probe, leads, and housing are in good condition.
  2. Wear Personal Protective Equipment (PPE):
    • Always wear appropriate personal protective equipment, such as insulated gloves and safety goggles, to protect yourself from potential electrical shocks.
  3. Turn Off Power:
    • Before testing a circuit, make sure to turn off the power to the circuit you are working on. This can be done by switching off the corresponding circuit breaker or disconnecting the power source.
  4. Verify the Circuit Tester:
    • Confirm that the circuit tester is functioning correctly by testing it on a known live circuit. This helps ensure that the tester is reliable and provides accurate readings.
  5. Use the Right Tool for the Job:
    • Select the appropriate type of circuit tester for the specific task. There are different types of circuit testers for various applications, including voltage testers, continuity testers, and others.
  6. Avoid Contact with Conductive Surfaces:
    • Ensure that you and the circuit tester do not come into contact with conductive surfaces while testing. This reduces the risk of creating unintended electrical paths.
  7. Keep Hands Dry:
    • Dry your hands thoroughly before using a circuit tester. Moisture can increase the risk of electric shock.
  8. Isolate the Circuit:
    • Whenever possible, isolate the circuit you are testing to prevent interference from other live circuits. This minimizes the risk of misinterpretation of readings.
  9. Follow Proper Procedures:
    • Adhere to the manufacturer’s instructions and recommended procedures for using the circuit tester. This includes proper connection of probes, correct usage, and interpretation of readings.
  10. Work in Well-Lit Areas:
    • Ensure that you have sufficient lighting when working with a circuit tester. This helps you see clearly and avoid mistakes that could lead to accidents.
  11. Avoid Overloading the Circuit Tester:
    • Do not exceed the maximum voltage or current ratings of the circuit tester. This can damage the tool and pose safety risks.
  12. Use Insulated Tools:
    • If you need to manipulate components within the circuit, use insulated tools to prevent accidental contact with live parts.
  13. Communicate with Others:
    • If you are working as part of a team, communicate your actions and intentions to others to avoid misunderstandings and coordinate for safety.


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