The cable should be bent as little as possible. If the cable remains outside for more than 24h during installation protective material should be used to prevent cable damage. Turn-backs and all sharp changes of direction. The Fiber Optic Association, Inc. (FOA) was founded in 1995 to help develop the workforce to build the fiber optic networks to support a rapid expansion in communications and the Internet. The charter of the FOA was to promote professionalism in fiber optics through education, certification, and. The following are some common use cases for fiber networks in home or office environments. Failure to follow these guidelines may result in damage or attenuation increases of the optical fiber or cable. It is the responsibility of users.