plug insulator
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spark plug insulator — A highly stressed part of the spark plug, usually made of alumina ceramic, which serves to insulate the center electrode and the terminal stud from the shell; its material must have high dielectric, mechanical and thermal strength as well as good … Dictionary of automotive terms
insulator — A unit made of a material that will not conduct electricity. The electricity in a copper wire covered with a plastic sleeve (insulator) cannot penetrate the sleeve. Also see spark plug insulator … Dictionary of automotive terms
Insulator (electrical) — Ceramic insulator at railways Conducting copper wire insulate … Wikipedia
insulator nose — The tip of a spark plug … Dictionary of automotive terms
insulator tip — The tip of a spark plug … Dictionary of automotive terms
Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… … Wikipedia
cold plug — A spark plug which has a short insulator nose which absorbs less heat and dissipates heat quickly. A colder plug is used in a hot engine while a hot plug is used in a cold engine. Thus if the plugs are fouling too much, try a hotter plug. If the… … Dictionary of automotive terms
hot plug — A spark plug which has a long insulator nose which absorbs more heat and dissipates heat slowly. A colder plug is used in a hot engine while a hot plug is used in a cold engine. Thus if the plugs are fouling too much, try a hotter plug. If the… … Dictionary of automotive terms
spark plug — 1. a device designed to fit in each cylinder of a gasoline powered internal combustion engine and to produce the electric spark for igniting the mixture of gasoline and air. 2. Informal. a person who leads, inspires, or animates a group. [1900… … Universalium
spark plug — A device containing two electrodes across which electricity jumps to produce a spark to fire the fuel charge. The center electrode is insulated from the spark plug shell by means of a molded insulator resembling porcelain. The side electrode… … Dictionary of automotive terms
