Why are electric wires made of copper?
Why are electric wires made of copper?
Why is copper used for most electrical wiring? The lower the level of resistivity, the more electrical conductivity a metal has. Copper has low resistivity, and therefore is an excellent conductor. Copper is also less oxidative than other metals.
What is the cost of copper wire?
Questions & Answers on Copper Wires
| Diameter | Min Price | Max Price |
|---|---|---|
| 1-3 mm | Rs 450/Kg | Rs 545/Kg |
| 3-5 mm | Rs 400/Kg | Rs 700/Kg |
| 5-7 mm | Rs 460/Kg | Rs 510/Kg |
| 7-9 mm | Rs 450/Kg | Rs 480/Kg |
What is the price of electric wire?
Questions & Answers on Electric Cables
| Brand | Min Price | Max Price |
|---|---|---|
| Finolex | Rs 66/Meter | Rs 66/Meter |
| Finolex | Rs 1920/Piece | Rs 20500/Piece |
| Havells | Rs 390/Meter | Rs 500/Meter |
| Polycab | Rs 30/Meter | Rs 911/Meter |
Which cable wire is best for House?
Here is a list of the Top 10 Electrical Wire Companies in India (2021)
- Polycab Wires.
- Havells India Ltd.
- Finolex Cables Ltd.
- Sterlite Tech cables.
- KEI Industries Ltd.
- RR Kabel.
- V-Guard.
- Syska Wires.
What is the meaning of 3/20 wire?
These consists of a copper conductor covered with a insulation layer of Vulcanized Indian Rubber (VIR). Here a 3/20 wire means numerator 3 denotes the number of conductors used and the denominator 20 denotes the gauge of each conductor. Based on this gauge number count the diameter of any conductor can be determined.
What is 2.5 mm wire used for?
2.5mm is commonly used for behind sockets, while 1-1.5mm is most often used for lights (depending on how many lights you have in a circuit).
What is sq mm?
One square millimeter is equal to the area of a square with edges that are 1 millimeter in length. A square millimeter is sometimes also referred to as a square mm. Square millimeters can be abbreviated as sq mm, and are also sometimes abbreviated as mm².