LSOH Category 5e UTP cables are manufactured, tested and verified to the ISO11801 and EIA/TIA standards for enhanced performance. They are constructed with RJ45 plugs (50 micron gold) and quality UL approved Stranded Cat5e LSOH. LSOH stands for Low Smoke Zero Halogen and refers to the compound making up the sheath of a cable. In the event of a fire, this type of sheath will emit very low levels of smoke, and non-toxic levels of poisonous halogen gases