Pull Strength

The strength of a Fiber optic Cable when pulled. Often measured by a certain amount of pounds of pull tension placed on it.

The pull strength of a Fiber Optic Cable may or may not be important, depending on your application. In cases where Cables are simply laid into trays or ditches, a high pull strength is not necessary. In other cases, IF a cable may be pulled thorough 3 km or more of conduit, for example, the pull strength is very important. Even with lots of cable lubricant, pulling tension may be high. Many cables get their strength from an aramid fiber, also known as Kevlar, a unique polymer fiber that is very strong but does not stretch – SO pulling on it will not stress the other components in the cable. A simple Simplex cable typically has a pull strength of 100-200 pounds, while a rugged cable for Outside Plant may have a specification of over 800 pounds.

See Strength Member for more information.

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