Patent ID: 6846197

Claim:
A modular plug which is fitted in a modular jack so as to connect twisted pair wires, the plug comprising: a housing having internal surfaces, a guide plate which is fitted in said housing so as to separate said twisted pair wires from one another, and terminals which are connected to electric wires untwisted from the tips of said twisted pair wires, the guide plate having a top surface, a bottom surface, a right surface and a left surface, a horizontal partition, a right vertical partition and a left vertical partition, an upper groove formed on said top surface of said guide plate, a lower groove formed on said bottom surface of said guide plate at a first distance from said upper groove, said lower groove being separated from said upper groove by said horizontal partition, a right groove formed on said right surface of said guide plate, said right groove being separated from said upper and lower grooves by said right vertical partition, and a left groove formed on said left surface of said guide plate at a second distance from said right groove, said second distance being greater than said firs distance, and said left groove being separated from said upper and lower grooves by said left vertical partition; wherein the separated twisted pair wires are held between said internal surfaces of housing and said guide plate.