CONTACT ARM Meaning and
Definition
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A contact arm refers to the lever or arm-shaped component found in various mechanical and electrical systems that is specifically designed to establish or break contact between two conducting parts. This term is commonly used in the context of electrical switches and relays but can also apply to other mechanisms involving the initiation or termination of electrical connections.
In electrical switches and relays, a contact arm typically consists of a movable metallic element, often made of copper or a similar conducting material. This arm is pivotally mounted in such a way that it can be actuated or moved by an external force, such as a mechanical switch or an electromagnet. The primary purpose of the contact arm is to physically bridge or separate two sets of stationary contacts, thereby enabling or disabling the flow of electrical current.
When the contact arm is in its closed position, the movable contact comes into direct physical contact with the stationary contacts, allowing the passage of electricity. Conversely, when the contact arm is opened or moved away from the stationary contacts, the connection is broken, and current flow is interrupted.
Contact arms are utilized in a wide range of applications, including industrial machinery, power distribution systems, automotive electronics, and many other electrical devices that require the control or regulation of electrical current. The design and construction of contact arms are critical to ensure reliable operation, proper current carrying capacity, and longevity of electrical components and systems.
Common Misspellings for CONTACT ARM
- xontact arm
- vontact arm
- fontact arm
- dontact arm
- cintact arm
- ckntact arm
- clntact arm
- cpntact arm
- c0ntact arm
- c9ntact arm
- cobtact arm
- comtact arm
- cojtact arm
- cohtact arm
- conract arm
- confact arm
- congact arm
- conyact arm
- con6act arm
Etymology of CONTACT ARM
The term "contact arm" does not have a specific etymology, as it is a combination of two separate words.
The word "contact" is derived from the Latin word "contactus", which means "touch". It entered the English language in the mid-17th century with the same meaning, referring to the act of touching or making contact with something or someone.
The word "arm" has a different origin. It comes from the Old English word "earm", which referred to the upper limbs of the body. Over time, it also came to mean the specific limb structure used for grasping and manipulating objects in humans, primates, and certain other animals.
When the words "contact" and "arm" are combined, "contact arm" refers to the portion of an electrical switch, relay, or similar device that physically makes contact with another component to establish an electrical connection.
Similar spelling words for CONTACT ARM
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