wire/cable

Voltage is measured in volts, current is measured in amps and resistance is measured in ohms. A neat analogy to help understand these terms is a system of plumbing pipes. The voltage is equivalent to the water pressure, the current is equivalent to the flow rate, and the resistance is like the pipe size.

http://electronics.stackexchange.com/questions/125807/wire-for-project-with-9-volt-battery

http://www.12voltplanet.co.uk/cable-sizing-selection.html

  • Light weight insulated hookup wire, 22–24 gauge,one roll stranded,one roll solid.
  • Light weight shielded audio hookup cable, single conductor plus shield.

RS – recommended to me as  good source for parts 

  • What Is Hookup and Equipment Wire? – Hookup and equipment wire is generally single insulated conductor wire that is useful for applications that have low voltage and low current. Most of the time, you will find this in internal computer wiring, consumer electronic equipment, appliances, control panels, and in some areas of vehicles. Generally, this type of wire will be in use enclosed in electronic equipment. Many different types of wire are available with various voltage and current ratings. Always make sure you are choosing the right option for your particular project. Some wiring, for example, is better for conditions where there may be distortion or vibration than other wires will be.

What Is a Wire?

The term wire is often used interchangeably for different subsets, or types of wire, such as single core, which we will see later. The wire can be a single strand of metal, or it may be a number of strands together in a single insulated sleeve. Many different types of wire exist, and they can serve a number of different functions. In some cases, they might bear mechanical loads. They can send and receive telecommunications signals, and they can transfer electricity, which is one of the most common and well-known usages of wire.

Wires are available in different sizes and will come in solid, single core, stranded, and braided varieties. Most of the time, the wire has a circular diameter, but it is possible to create wire in different forms as well, such as square and hexagonal.

 

What Is Single Core?

Single core simply means that there is just a single piece of metal wire, typically copper or aluminum, and it generally has some insulation around it. The wire can be different gauges, or thicknesses. As the size of the wire increases, the flexibility will generally decrease.

Another term for this would be solid wire. These are helpful in certain situations, such as wiring breadboards. One of the reasons that some choose to use single core in certain applications is that the cost is lower than that of the braided and stranded wire. However, there is less flexibility with solid core, so it might not be the ideal choice for every application. One of the benefits of this type of wiring is that it tends to be more rugged and durable than the other types of wiring. Therefore, the solid single core wire could be a good solution for any locations where the environment or corrosion could cause damage to the wiring.

On speaker wires:
https://www.cambridgeaudio.com/blog/speaker-cables

http://www.rane.com/note151.html

 

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wire/cable

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