Electrical Wires & Cables - Understand their world to make better sourcing decisions The easiest method to comprehend electric cable is to connect it to the functioning of the nerves in our body. Simply like the way nerves empower various parts of your body to execute the action, electric wire cables empower various devices connected to an electric circuit. Wires are the lifeline of an electric circuit. A wire or maybe a cable delivers the electricity to the appliances once the circuit is switched on using a plug or switch. These wires connect the power supply to the power load.
It is usually a bunch of wires that are closed in an electrical circuit and these wires are enclosed in an insulated sheath. The key purpose of the insulation sheath is actually to stop short circuit between live and neutral wires. When wires are enclosed in an protected sheath, the assembly is termed as electric wire cable.
When getting cables or electric wires for sale it is necessary that you understand the various terminologies. Here is a simple help guide to electrical wire and cables will assist you source the right wire for your application.
(1) Color coding of the wire or cable - A wire cable is available in white, blue, red, black or green color. A blue, red or black colored cable would constitute the live wire. A white insulated wire is neutral, while a green wire is the earthing cable
(2) Material of the cable - Copper or Aluminum is the most commonly used material in electric wires. While copper is a superior electrical conductor compared to aluminum, but other aspects such as weight and space should also be considered when performing an economic analysis of choosing the right conductor for your use.
(3) Rating of the wire or cable - Different applications requires different type of conductors. This need of diverse application could be described by:
Current carrying capacity / Voltage or Gauge of the wire - Each electric wire cable is made to pass just a given value of current or withstand only a given value of current. The current or voltage capacity of the wire is related to the gauge and material of the wire cable. Heat or temperature rating - A wire cable will be marked for the maximum and peak operating temperature that the cables can endure.
(4) Working Conditions - A wire cable developed for functioning even in wet condition would have a "W" marking on it. Whereas a wire cable designed for working even in an atmosphere where there is oil and gas, is marked as "N".
Classification of Electrical Wire Cable
Based on type of installation and the working conditions for which the cable is designed, electrical wire cable can be grouped as:
NM-B applications: These are generally used indoors in spaces which are dry plus free of humidity. These must not be installed in places where it can get exposed to water or heat. These wires should furthermore not be buried in cement, concrete, plaster or underground.
UF wire - It stands for underground feeder. Wires are embedded as a group in solid thermoplastic.
Armored cable (AC) - As the name suggests, is wire enclosed in metal sheathing. The enclosure that is a metal sheathing acts as the grounding conductor. These are relatively costly as well as not very commonly used now.
Coaxial cable - These are ordinarily used to carry television signals. A coaxial cable comprises a central wire conductor surrounded by a non-conducting insulating material, that is enclosed by mesh and covered with a thin plastic layer for safety.
Class 5e wires - These are mostly used for the purpose of networking computer peripherals. It is also known as cat-5e.
There are plenty of sourcing companies like D&F Liquidators which keep surplus electrical materials as well as help you source wires & cables suitable for your needs at a affordable price. They have excellent understanding of electrical circuits as well as can even guide you in choosing the right electrical products. You can get in touch with the company to know ways you can get electrical wire for sale. -----------------------------------------------------------------------------------------------------------------------------Contact Here:
http://www.dfliq.com/ Address: 1810 W. Winton Avenue Hayward, CA 94545-1232 Telephone: (800) 458-9600 (510) 785-9600