Electric Cable Wire Size

By | April 29, 2021



What Size Electric Cable Wire Should You Use?



Whether you are a professional electrician or a DIY enthusiast, getting the right size electric cable wire is essential for any electrical wiring job. The correct cable wire size should not only provide enough power to the devices connected, but it is also important for safety; too large a wire may create short-circuiting, while too small a wire could cause overheating and fire. Thus, finding the perfect wire size is paramount. In this article, we will explore what size electric cable wire is suitable for various projects, and explain the factors that can affect its selection.

Factors That Impact Electric Cable Wire Size Selection



When selecting the size of your electric cable wire, there are several factors you need to take into consideration. These include:


  • The size and wattage of the connected device;

  • The distance the current needs to travel;

  • The ambient temperature of the area; and

  • The type and amount of insulation used.



These factors all play an important role in deciding which size electric cable wire is suitable. Generally, the larger the device you are connecting, the larger the cable wire should be. This is because of the amount of current the device will draw. Similarly, if the current needs to travel a longer distance, a thick and heavy cable wire is recommended. In the case of the insulation, more insulation is required for higher temperature areas.

Choosing the Right Electric Cable Wire Size for Your Project



The size of the electric cable wire is specified by the American Wire Gauge (AWG). It is typically expressed as a number expressed in increments of three. The larger the number, the thinner and more flexible the cable is. For most projects, the recommended electric cable wire size is between 14 AWG and 8 AWG.

If the current needs to travel over a long distance, a thicker wire should be used. It is usually recommended to use 12 AWG or 10 AWG wires to ensure that the current has enough power to complete its journey without becoming weaker along the way. On the other hand, if you are dealing with low wattage devices, such as light bulbs and doorbells, a thinner electric cable wire size, such as 16 AWG or 18 AWG, will suffice.

Tips on Choosing the Right Electric Cable Wire Size



When selecting the right electric cable wire size, it is important to do a thorough research and take into consideration all the factors mentioned above. Make sure that you take the time to measure the current load and distance it needs to travel, as well as the ambient temperature of the room.

It is also advisable to consult a professional electrician for advice if you have any doubts. They will be able to offer you expert advice and help you choose the right size electric cable wire for your project.


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