Renolax offers a wide range of telephone cables, with low attenuation and low crosstalk. These telephone cables are very safe to use and are coated with a fire retardant jacket. The central conductor is made of 99.97% pure solid electrolyte copper. The internal telephone wiring can be used in high rise buildings, offices, factories, hotels, residential complexes. Renolax cables are tested efficiently for further use. The cores are carefully twisted with suitable lays and laid up together to form cable.