The Basics of Telephone Wiring by H Gregory There is a widely held misconception that telephone wiring is an impossible feat for the average non-technical person. The fact is that small wiring jobs in your house or small business can be much easier than you'd expect, much easier than shelling out exorbitant hourly fees to the phone company. If you can figure out how to wire speakers for your new stereo, you can easily wire your home or small office for your new phone system. Wires, plugs, and the network interface The basics of the wiring is pretty easy to understand. Most telephone wires are one or more twisted pairs of copper wire. The most common type is the 4-strand 2 twisted pair.
What do the yellow and black wires in a home telephone jack do? | HowStuffWorks
Telephone wires are easy to work with and very safe due to the low voltages involved. The most complex part of installing telephone wires is complying with the defined standards. When installing additional telephone wires into an existing facility, it is usually best to determine which telephone wiring standard is currently in use and conform to that standard. How the Wire Gets into a Residence Historically, telephone companies ran telephone wires above ground with telephone poles to make wire issues easy to repair.
What do the yellow and black wires in a home telephone jack do?
Doing your own telephone wiring Note: I'm not familiar with the phone wiring conventions outside the U. In years gone past, it was the responsibility of the phone company not only to bring phone service to your house but to do the phone wiring within your house as well. This is no longer the case.
Next It only takes two wires to connect a phone , but most house wiring contains four wires. The red and green wires are on the two center terminals of a normal phone jack, and the black and yellow wires are on the two outer terminals. This arrangement allows most normal houses to handle two phone lines very easily. Many if not most line cords that you receive when you purchase a phone to go between the wall jack and the phone only have the two center wires. To save money, the outer two are omitted.