This part 4-12 of EN 50289 concerns small communication cables with a diameter equal or less than 14 mm, mounted on a test scale in bundles in order to obtain a total normal volume of non-metallic material equal to 0,5 l/m of test sample. The application time is 20 min. The tests proposed are for communication cables that require the testing of cables for low density installation. The tests must be stipulated in the cable specifications, where the requirements must also be given.