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A chassis ground is a link between different metallic parts of a machine to ensure an electrical connection between them. Examples include electronic instruments and motor vehicles.
A chassis ground is a link between different metallic parts of a machine to ensure an electrical connection between them. Examples include electronic instruments and motor vehicles.
Usages
;Electronics
The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronics uses active devices to control electron flow by amplification ...
: Most electronic systems have their circuits reference-linked to the chassis while the chassis itself is often, but not always, linked to the Earth.
; Motor vehicles
A motor vehicle, also known as motorized vehicle or automotive vehicle, is a self-propelled land vehicle, commonly wheeled, that does not operate on Track (rail transport), rails (such as trains or trams) and is used for the transportation of pe ...
: Most motor vehicles use the chassis as the reference for all electrical peripherals which allow the use of only one wire for each accessory.
Confusion
The chassis must not be considered as a link to Earth. Depending on the usage of electrical machines, this may or may not be the case. For example, in all cars metallic parts are linked together but they are not linked to the Earth. This explains why one can experience electrical discharge when leaving a car.See also
*Floating ground Most electrical circuits have a ground which is electrically connected to the Earth, hence the name "ground". The ground is said to be ''floating'' when this connection does not exist.
Conductors are also described as having a floating voltage if t ...
* Ground (electricity)
In electrical engineering, ground or earth is a reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth.
Electrical circuits may be conne ...
References
{{reflist Electric power Electrical safety Electronics