an apparatus and method are provided for making a conduit divided into channels by one or more strip - shaped substrates . the channels may be used for cables , such as fiber optic cables , coaxial cables , electrical cables , electrical wiring , and the like . each divided conduit provides channels that allow e . g ., cables to be pulled through without snagging or excessive heat build - up due to friction . in addition , the divided conduits do not allow contact or alternation losses between adjacent cables in other channels of the conduit .