What is an Electrical Insulator ?
What is an Electrical Insulator ?
Definition of Electrical Insulator
An electrical insulator is defined as a device used in electrical systems to prevent unwanted current flow to the earth, providing a very high resistance path.
Insulating Materials
Insulating materials must be strong, have high dielectric strength, high insulation resistance, be non-porous, and free from impurities.
Properties of Insulating Material
High mechanical strength
High dielectric strength
High insulation resistance
The insulation material contains no impurities
Sclausura
No entry
Low receptive temperature
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