LSZH revision 2 compliant USB bulk cable features two 20AWG power conductors plus one 28AWG twisted pair for data lines. Flexible LSZH jacket covers braid, foil and drain wire shield. Low smoke zero halogen cable reduces amount of toxic and corrosive gases emitted during combustion. Typically used in poorly ventilated areas, low smoke zero halogen is very popular with military contractors and anywhere protection of people and equipment from toxic and corrosive gases is critical. Available from 100, 500 or 1000ft put ups. Jacket color is black. Compatible with L-com CNUSB connector series.