Electrical insulation

Properties of PVC PVC coated wires and PVC insulation tapes are used in:

Good insulator

- Electrical components in electric lawnmowers
- Lighting fixtures of electrical parts and electric wires
- Wire sheathing in consumer electronics


- Light a bulb with a battery and two wires
- Then remove a bit of the PVC coating from the two wires and make a contact between the naked wires: the lamp no longer works
- Use some insulation tape to shield the wires, and make the bulb light again.

Leading questions:
- Can you explain what's happening?
Can you set up other easy experiments that show electrical insulation in action?
- Can you find applications of this property in your house or city?

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Key documents