Insulators

An insulator is a material that does not allow electric current to pass through it easily. Insulators are used in electrical wiring to prevent unwanted contact between wires and to control the flow of electricity.

Characteristics of Insulators
- High resistance to electric current: Insulators have a high resistance to electric current, which means that they do not allow electric current to flow through them easily.
- Low conductivity: Insulators have low conductivity, which means that they do not conduct heat or electricity well.
- Non-metallic: Most insulators are non-metallic, such as rubber, plastic, glass, and ceramic.
- Dielectric strength: Insulators have a high dielectric strength, which means that they can withstand high voltages without breaking down.

Examples of Insulators
- Rubber: Rubber is a common insulator used in electrical wiring and equipment.
- Glass: Glass is a good insulator and is used in electrical equipment such as light bulbs.
- Plastic: Plastic is a common insulator used in electrical wiring and equipment.
- Air: Air is a good insulator and is used in high-voltage electrical equipment such as transformers.

Importance of Insulators
Insulators are important in electrical wiring and equipment because they prevent electric current from flowing where it is not supposed to go. For example, insulators prevent electrical shocks, fires, and damage to equipment. Insulators are also used to control the flow of electricity in circuits and to protect electrical components from damage.

The ability of electrical energy to flow through materials is called conduction. 

Materials that allow electricity to easily flow are called conductors. ...

 Materials that do not allow electricity to pass easily throughthem are called insulators.
Rubber, glass, plastic, and cloth are poor conductors of electricity...