Continuing with general information, the larger the section of an electric cable, the greater the current that will pass. In conclusion, the choice of a section of cable that is too small, in fact, would involve a high risk in the safety of both the system itself and, obviously, of the people and things close to it, since we would be in the presence of a high current passing on a section of cable too small. Dielectric : For isolating the conductor from other things and preventing it from an unintended path. Figure 5 Aluminum conductor with a composite core. These cables have a core called cladding which is optically rarer than the core. Look for cables labelled "UV-resistant," "weatherproof," or "outdoor-rated" to ensure they can withstand exposure to moisture, temperature changes, and sunlight. It resists degradation from heat, moisture, and other environmental factors, maintaining its performance over an extended period.

This cable has a special plastic sheathing that resists moisture, making it perfect for supplying power to outdoor lighting systems, garden pumps, and other exterior installations. Each cable type is designed to meet specific environmental and operational demands, providing safe, efficient, and effective performance across a range of applications. There are two types of twisted pair cables: shielded (STP) and unshielded (UTP), with shielded varieties providing additional protection against interference. Armoured Cable (BX Cable): Armoured cable, or BX cable, also known as metallic sheathed cable, includes conductors that are protected by a metal sheath, providing additional durability and protection against physical damage. The unshielded twisted pair (UTP) cable includes two wires that are twisted as one, so this cable is used for the transmission of signal & video applications, telephones, data networks & security cameras. Fibre Optic Cable: Fibre optic cables use strands of glass or plastic fibres to transmit data in the form of light. These cables can have different configurations based on their design on national and international regulations. One of the benefits of colors is that they can help prevent interruptions. Different colors of wires have different color for different purpose.

Colors also warn people of dangers. It can withstand higher temperatures, mechanical stress, and environmental factors such as moisture and chemicals. Additionally, it protects against environmental factors like moisture and heat, ensuring reliable and efficient electrical transmission. Sheath: These wires protect the cable from atmospheric conditions like high moisture in the air, chemical reactions, or fire attacks. This type of cable is basically used for the telephone cables and the resistance can be measured by the number of wires used. Q3. What is the importance of insulation in electrical cables? In the world of electrical systems, the importance of choosing the right type of cable cannot be overstated. Choosing the right type of cable is essential for any electrical installation. You can use the same cable for both indoor and outdoor applications if it is rated for outdoor use. In the case of electricity, recognizing a red power cable can help reduce the risk of electric shocks, burns and fires. It provides proper connections and reduces the risk of compatibility issues or malfunctions.

Coaxial Cable: Coaxial cable is widely used for transmitting television signals and internet connections. Ans. Fibre Optics Cable is the type of cable used by Telecommunication Companies for the transmission of telephone signals. These cables carry electrical signals and aid the generation, transmission, and distribution of electric power. This type of cable is used in environments where cables might be exposed to mechanical harm, such as in industrial buildings or areas where cables run exposed rather than behind walls. Much like connectors, electrical metal cable protection comes in both mechanical and electrical forms. Its unit in the metric system is, thus, 1/ohm-meter. Also shown in the table is the temperature coefficient, which represents how much the specific resistance of a metal changes with temperature. The resistance is, thus, larger by the same ratio. As the gauge number goes up, what is electric cable the wire gets thinner and its resistance increases. What is the live wire? High-quality wire is compatible with various electrical systems and equipment. High-quality wire has a longer lifespan compared to inferior alternatives. What wire is used for lighting? It is commonly used for lighting and power circuits in home construction. The other two are interchangeable as long as they are sheathed in order to make it obvious which cable is neutral (blue sheathing) and which is the other live (brown sheathing).Special lighting switch cable can be bought.