Cable assemblies, premises and wireless cabling systems utilizing such assemblies, and cable units found within such cable assemblies are described. More particularly, cable assemblies that can be furcated and include both optical fibers and electrical conductors are described. Such assemblies can include a plurality of cable units disposed within a primary jacket that surrounds the cable units, with at least some units including optical fibers and at least some units including electrical conductors that may have a conductivity of greater than 1 c 7 S/m.