Telephone wires and cables connect your home phone to a huge communications web. A pair of copper wires runs from a box at the road to a box (often called an entrance bridge) at your house. From there, the pair of wires is connected to each phone jack in your house (usually using red and green wires).

How do telephone wires work?

The sound waves are carried to a thin metal disk inside the phone, called a diaphragm, and are converted into electrical energy. The electrical energy travels over wires to another phone and is converted from electrical energy to sound waves again which can be heard by someone on the other end of the phone!

How does a telephone work simple explanation?

The base connects the telephone to an electric current through a wire. When the caller speaks into a telephone, the microphone changes the sound of the persons voice into an electric signal. When the signal reaches the telephone at the other end, its loudspeaker changes it back into the sound of the callers voice.

Which cable is used for telephone line?

Most telephone wire are one or more twisted pairs of copper wire. The most common type is the 4-strand (2 twisted pair). This consists of red and green wires, which makes a pair, and yellow and black wires, which makes the other pair.

Which cable is used in telephone line?

Most telephone wire are one or more twisted pairs of copper wire. The most common type is the 4-strand (2 twisted pair). This consists of red and green wires, which makes a pair, and yellow and black wires, which makes the other pair.

How telephone is useful to us?

Telephones made it easier for businesses to communicate with each other. It cut down on the amount of time it took to send messages to each other. As the telephone network grew, it also expanded the area that a business could reach. The telephone revolutionized the way that people communicated with each other.

What are the advantages of telephone?

3. Telephones - pros and consAdvantagesDisadvantagesCalls can be made 24 hours a day, 7 days a weekThere might be noise or interference so the quality of the call could be poor.Internet based calls can be freeWith mobile calls you might move out of the range of a transmitter and so the call gets cut off.7 more rows

Can telephone wires start a fire?

Attach electrical tape to the conductors. They could cause a spark, which is unlikely to cause a fire, and if they short together, it could cause your phone to stop working.

What is a phone line cable called?

Coaxial cable One of the most common telephone cables is called the coaxial cable. It is called coaxial because it has one physical channel, which is an insulated layer that is a woven shield of copper.

Are all telephone line cables the same?

Telephone wiring is color-coded They are used in pairs for each phone line you have. Repairmen in fact refer to the wires in terms of pairs, so technically a standard four wire telephone line has two pairs.

Where do the wires go in a BT phone socket?

The quality of wiring carried out by many older BT wiremen is often approaching art in its perfection. This often has Orange, White, Green and Black wires. Usually (but not always) Orange and White are the active pair and go to connections 2 and 5 in the master socket.

What is telephone and its uses?

The telephone is the electrical system of communication that you use to talk directly to someone else in a different place. You use the telephone by dialling a number on a piece of equipment and speaking into it. They usually exchanged messages by telephone.

Why do we need the telephone?

It allows people to get an immediate interaction. The telephone is an extremely valuable and important innovation because it allows for a verbal exchange of information by conversation. People dont need to spend a lot effort to communicate with each other.