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The 22 pages that link to Electrical insulator, each with the reason it gives.

• SemiconductorCompared with: Insulators mark the low-conductivity extreme relative to semiconductors.

• Electrical conductivityCompared with: Insulators have far lower conductivity than ordinary conductors.

• Electrical resistanceCompared with: Insulators present far greater resistance than conductors.

• Electrical conductorCompared with: It is the direct counterpart to a conductor in how readily charge moves.

• Electrical resistivityCompared with: Insulators occupy the high-resistivity end of the range of materials.

• Electrical insulationBroader topic: Insulating materials provide the physical barrier in an insulation system.

• Electrostatic inductionCompared with: An insulator usually polarizes locally rather than separating charge across its body.

• Overhead power lineRelated: Line insulators keep energized conductors electrically separated from grounded supports.

• Phenol–formaldehyde resinRelated: The resin’s electrical resistance made it suitable for switches, sockets, and component housings.

• Static electricityCompared with: Insulators can retain localized static charge instead of letting it flow away.

• Aluminium oxideNarrower topic: Dense alumina separates conductors in spark plugs and electronic substrates.

• BakeliteNarrower topic: Bakelite’s insulating properties suited it to housings and electrical fittings.

• Dielectric lossNarrower topic: Dielectric loss is heating within such materials, even when they are poor conductors.

• MuscoviteRelated: Muscovite’s high dielectric strength made it valuable in electrical components.

• Beryllium oxideBroader topic: BeO transfers heat while resisting electrical current, a rare and useful pairing.

• Electrical resistivity and conductivityCompared with: Insulators have high resistivity and low conductivity relative to conductors.

• Boron nitrideRelated: Boron nitride combines electrical insulation with useful thermal conduction.

• Utility poleRelated: Insulators prevent pole hardware from conducting electricity from the wires.

• Electrical propertiesBroader topic: Insulators are selected where high resistivity prevents unwanted current paths.

• Electricity (electric power)Compared with: Insulators separate live conductors and limit unintended current paths.

• Stephen GrayRelated: Gray found that some materials stopped the electrical effects his experiments transmitted.

• Thermal conductivity and resistivityCompared with: Insulators can still conduct heat through lattice vibrations, decoupling the two properties.