Tips For Purchasing Electrical Cables

High-quality electric cables are required to do the wiring projects at home. You should choose quality products when you are purchasing electric wires. Quality wires are safe and very durable. Additionally, these wires will help you in saving your electricity bills by a great extent. The tips discussed in this article will be beneficial to you when you are looking for quality electric cables to there are different sellers in the market who sell this important commodity. It can be tricky in finding the best or the right seller. Certain features mainly determine the quality of electric cables. The following are some of the essential features and qualities which will help you in choosing the best cables for your projects.

Material used in making the wires

Electric cables are made using either copper or aluminium. The two metals are excellent conductors of electricity. Copper is considered to be the best option for home appliances. You should purchase wires having multiple strands instead of single strands. Besides, electric wires are required to have a mark of quality known as ISI. Secondly, you are advised to check on the grade of the electrolyte used. The recommended copper wires are required to have an electrolytic grade percentage of 99.97%.

Size of the cables

Most of the common cables have a diameter which ranges between one sq mm and four sq mm. The recommended size for connecting the A points is either 4 or 6 sq mm. You can use a cable of 1.5 sq mm for the light points. The process of choosing a cable of the right size will help in saving money. You do not have to buy unnecessary thick wires.

Wire insulation colour

Different colours should be used for the three wires. The three wires are live, neutral and earth. The neutral wire is coloured black, gray or white. Live wires are coloured black, red or blue. The earth wire is coloured green.

Insulation of the wire

The good electric wires should have an insulation of three layers. The first layer is meant to protect the cables from the water. The second protects the cables from excessive heat. The third insulation layer is designed to protect the wires from the fire. Both heat and fire resistant cables should have a mark of quality indicated as HRFR. Ideally, the wires chosen should have the ability to withstand a temperature which is above 100 degrees Celsius.

Length of the cables or wires

The length of the cables is indicated at the pack. Most of the coils are 90m in length. The rating of the wire should also be indicated at the pack.