This is a 1000ft non-terminated yellow unshielded twisted pair OFNP (Plenum-rated) solid copper patch cable. Cat5e specification is used in structured cabling for computer networks, such as Ethernet. The cable standard provides performance of up to 100 MHz and is suitable for 100Base-TX and 1000Base-T. This plenum-jacketed cable is best suited for LANs or SANs, and is recommended for connection between fiber patch panels, hubs, switches, media converters and routers. Unshielded twisted pair patch cables are perfect for data centers, LANs and other short range network connections. Our patch cables are 100% compliant for all of your networking needs. Our products are guaranteed by federal law to not affect or void OEM warranties.