Keen to find out if an insulating material stands up to the flow of electric current? Probe it with this insulation tester HV test lead set from Megger. By connecting the three leads in this set to a de-energised electrical system, you can measure the insulation resistance of your device without a hitch. It's compatible with 5 and 10kV insulation testers in the MIT and S1 series, so it's a handy troubleshooting solution to have in your toolkit.

• Cable insulation rating of 12kV DC to protect operator from electrical hazards
• Lead length of 3m for convenient long-range measurement
• Leads are colour-coded for ease of identification
• Inner insulation layer has a white colour that makes it easy to spot wear and tear

• Construction equipment
• Automotive engineering
• Telecommunications
• HVAC systems
• Control panels

The leads in this set have a jaw opening diameter up to 18mm, so you can clamp down on a large surface area to take a measurement.