Glossary “ground end spring” Definition:
A spring that has flattened ends, usually by grinding, to better fit the perches or retainers.

Glossary “ground return system” Definition:
Common system of electrical wiring whereby the chassis or frame serves as a part of the electrical circuit.

Glossary “ground side switching” Definition:
When the ground sides of circuits to outpur devices are controlled, rather that power side.

Glossary “ground spark plug electrode” Definition:
The electrode on the end of the metal housing. It can be adjusted towards or away from the center electrode to adjust to the correct spark plug gap.

Glossary “ground trace” Definition:
Part of a waveform that defines the circuit ground

Glossary “ground wave” Definition:
An electromagnetic wave that travels along the Earth’s surface; usually emitted by a radio transmitter.

Glossary “ground effect” Definition:
The reduced air pressure under a vehicle that allows the normal pressure above the vehicle to push the vehicle downward, providing a better grip on the road surface.

Glossary “ground electrode” Definition:
Part of the lower end of the spark-plug shell making up the electrode gap, providing a path for current flow while jumping the gap.

Glossary “ground controlled circuit” Definition:
Circuit which energizes by applying a ground, usually through a control module.