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What Is an F-Crimp?

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  • Written By: Cindy Quarters
  • Edited By: Shereen Skola
  • Last Modified Date: 04 July 2014
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The process of crimping refers to squeezing or pinching one system component so that it becomes permanently attached to another part. An f-type connector is used on the type of coaxial cable that is commonly used to hook up cable and satellite television. This connector is squeezed tightly around the cable in order to hold it in place, resulting in an f-crimp. The resulting electrical connection does not require the use of solder, nuts or bolts to maintain it.

It is important to be certain that both the right hardware and the appropriate crimping tool are used when creating an f-crimp. Two common types of connectors for coaxial cable may be confused with one another, since they have a similar appearance and are only slightly different in size. It is easy to mistake the connectors used for cable TV for the connectors that are used for closed circuit television. The two types, however, are not interchangeable.

To add an f-crimp connector to the end of a coaxial cable, the cable must be stripped down to the center wire and part of the plastic inner insulation must be left in place. The outer insulation is cut back beyond the inner insulation. Next, the inner metal braid is folded back over the outer insulation. The f-crimp connector slides over everything and is crimped in place with a special tool.

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The advantage of connecting a connector to a cable with an f-crimp is that the process is quick, easy and inexpensive using the proper type of crimping tool. A connector can be added to a length of coaxial cable in a few seconds, allowing the television system to be up and running quickly and simply. Installations and repairs are relatively easy as well, and require only a wire stripper and an f-crimp tool.

Using f-crimp and similar types of connectors is not without a few disadvantages. Crimping creates a connection by simply squeezing the parts together. Since the connector slides over the coaxial cable’s braided liner and relies on pressure to keep the parts together, the union is susceptible to failure caused by moisture and oxidation. This connection works fairly well indoors, but may not last long when used outside, especially if the connection is in an unsheltered location. Newer types of connection systems, such as compression connectors, have replaced the f-crimp connector in many situations.

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