Ethernet cables are also known as LAN cables and twisted-pair cables. They are used to offer wired Internet connection by connecting two equipment such as a computer, a router or television. Compared to Wi-Fi, using Ethernet cables can ensure a more stable and faster network connection. Thus, they are truly popular in most home and office Internet wiring. If you are going to buy Ethernet cables for your house or office, there are 4 things you may need to note.