Mains Voltage Tester - 100-500V - 150mm

This reliable and compact electrical tester is designed for safely detecting live voltage in wirin...

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B&QB&Q - Mains Voltage Tester 100-500V150mm Electrician Insulated Screwdriver
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Product Information

Full details

The Mains Voltage Tester is an essential safety tool for DIY enthusiasts, homeowners, and maintenance technicians who need to quickly verify if a circuit is live before performing electrical work. It offers the key benefit of providing an immediate visual confirmation of AC voltage presence, though it is important to note that it is designed specifically for voltage detection and should not be used as a primary precision screwdriver for mechanical tasks.

All features

Model Part NumberVOLTAGETESTERSCREWDRIVER
BrandB2C

Extended Product Information

FAQs

Does this tester require batteries?

No, this is a passive voltage tester that draws its power from the circuit being tested.

Can I use this to test DC voltage?

No, this tool is specifically designed for AC voltage systems only.

What is the minimum voltage it can detect?

The tester is rated for a range of 100 V to 500 V AC.

Is it safe to use as a regular screwdriver?

While the tip is slotted, it is intended for voltage testing. Using it for heavy-duty mechanical tasks may damage the tool or affect the accuracy of the internal lamp.

How do I know if it is working properly?

Test the device on a known live power outlet before relying on it for safety checks.

What should I do if the plastic handle is cracked?

For your safety, discard the tool immediately if the insulating handle is compromised, as it could pose a shock hazard.

Troubleshooting

Indicator lamp does not light up

Ensure your finger is making firm contact with the metal end cap, as this completes the circuit necessary for the lamp to glow.

Lamp glows dimly

Check if the voltage source is within the 100-500V range; if it is near the lower threshold, ensure you are in a well-lit environment to see the glow.

Tip does not fit into terminal

The 3 mm tip is designed for standard terminals; do not force it into smaller or incompatible openings.

Pros and Cons

Pros

  • Simple, battery-free operation
  • Lightweight and highly portable
  • Clear visual indicator for safety
  • Durable construction for long-term use
  • Fits easily into standard wall sockets

Cons

  • Not suitable for low voltage testing under 100V
  • Limited to AC voltage detection only
  • Should not be used as a heavy-duty screwdriver
  • Requires direct physical contact with live points

Setup, Compatibility & Care

No setup or batteries are required for this device; it is ready to use straight out of the package. It is compatible with standard AC outlets and electrical wiring between 100V and 500V. To ensure longevity, keep the metal tip clean and free of corrosion. Store the tool in a dry, cool place to prevent damage to the internal lamp. Regularly inspect the insulation on the handle for any cracks or cuts; if the insulating material is damaged, the tool should be discarded immediately for safety reasons.

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