Glossary

Remote Visual Inspection

Spark Plug

spahrk pluhg

noun

Definition

A device that delivers electric current from an ignition system to a Combustion Chamber of engines, Spark Plugs are used in the majority of gas-powered motors. Seated at the top of a Cylinder head, Spark Plugs act as a vessel for the electric spark that is needed to ignite the compressed fuel and air mixture within Combustion Chambers, and are often centered within the top of Cylinder Heads, or in the “Dead Centre” of Cylinders.

Related terms: predictive maintenance

Spark Plug Images

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