insulator


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Related to insulator: Thermal insulator

insulator

[′in·sə‚lād·ər]
(electricity)
A device having high electrical resistance and used for supporting or separating conductors to prevent undesired flow of current from them to other objects. Also known as electrical insulator.
(materials)
A material that is a poor conductor of heat, sound, or electricity.
(solid-state physics)
A substance in which the normal energy band is full and is separated from the first excitation band by a forbidden band that can be penetrated only by an electron having an energy of several electronvolts, sufficient to disrupt the substance.

electrical insulator

A component or device made from material having great enough resistance to the flow of electric current to be effectively considered as a nonconductor of current.

insulator

A material that does not conduct electricity. Contrast with conductor.
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References in periodicals archive ?
In both cases, the goal is achieved by increasing the insulating height of the support-bar insulator h.
ON THE NEED TO INCREASE THE RELIABILITY OF LINEAR INSULATORS FOR DISTRIBUTION NETWORKS 10-20 KV
Among the world-beating products it has developed and made are the world's strongest insulators for UHV (1 million volts) power transmission and bushings using the world's largest hollow insulators.
NGK has buyers in the Gulf
Other domestic majors in the electrical insulators' space include Bharat Heavy Electrical (BHEL), Saravana Global Energy, and Shreeji Power and Insulators.
Heavy Duty On Electrical Insulators From China
Insulators coated with Powersil 570 Plus pass the 1,000-hour salt-fog test as per IEC 62217.
Solvent-free silicone coating for insulators
Water droplets formed on the surface of electrical insulators result in a disturbed electric field distribution around the insulator [16,17].
Detection of corona and dry-band arc discharges on nano-composite epoxy insulators using RF sensing
Ideal for anyone working in cold store, refrigeration, warehousing and commercial fishing sectors the PX Insulator is available in sizes 6 to 10.
PX Insulator to be launched by Marigold Industrial Ltd.: hand warmth and comfort is set to rise to new levels in the frozen and chilled food sector with the launch of the PX Insulator this Christmas by hand protection experts Marigold Industrial Ltd
In a panic, Quimby went to eBay so she could pull the insulator off and put a higher price on it.
Garage sale find becomes rare gift
Q: I began collecting glass and porcelain insulators several years ago and now have 763 types.
Appraise comic book collection
Since NGK has been making insulators for use with power transmission and distribution apparatus at its factories in such nations as China and Indonesia, the Indian plant will enable it to provide a complete lineup of insulators at low cost on the global market, NGK officials said.
NGK, Birla to set up Indian electricity insulator venture
The Ministry of Economy, Trade and Industry (METI) said Tuesday it estimates a maximum of 41,000 tons of ozone layer-depleting gas, mainly from construction heat insulators, remain in Japan.
METI estimates up to 41,000 tons of CFCs still remain in Japan
According to AES, the TPE has a self-cleaning effect, and it is the first product used in this application to pass the stringent FVO flammability test, as well as the 1994 and 1996 tracking-wheel tests, two measures of insulator performance in pollution and salt-spray conditions.
In the Cold and Dark, TPE Molder Helps Turn the Powe Back On

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