How to CALCULATE CIRCUIT BREAKER and CABLE for Residential AIR CONDITIONING!!!
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How to calculate circuit breakers and cables for residential air conditioning? This may be one of your doubts as well. Many electricians have this doubt, mainly because of the cooling power in BTUs, and what should be the correct power to use in the calculations? We must know that air conditioning has two different powers: one is the cooling power, which is presented in BTUs (British thermal units) and the other is the electrical power, expressed in Watts, as we are used to in electricity. However, when we are going to do the calculations, we cannot use the power in BTUs to calculate the electrical current of the air conditioning. We must also convert this power from BTUs to Watts and from there, with an energy efficiency factor, calculate the electrical power of the device. And it is with the nominal current that we can calculate the circuit breakers and cables for residential air conditioning. This dimensioning of the cable and circuit breaker of the air conditioning is very simple, but we must respect some details of the NBR 5410 standard regarding the data used in the calculations. How to size the circuit breaker and cables for a residential or industrial air conditioner must always follow the recommendations of Brazilian standards and since we are sizing for a residence, we use NBR 5410 to size the cable for this electrical installation. So guys, let's learn more about how to calculate circuit breakers and cables for residential air conditioning in this video. Link to table 36 NBR 5410: https://bit.ly/NBR5410-Table36 Don't forget to share the video: • How to CALCULATE CIRCUIT BREAKER and CABLE for A... ___________________________________________________________________________________ ⚠️ For those who don't know me, my name is Renato and I am a control and automation engineer and a graduate in electrical engineering, but initially my training is as an electronic maintenance electrician at Senai, over these 17 years of work in the area of electricity, electronics and automation, I was able to acquire experience that helped me a lot in my work and now I would like to share this knowledge that I acquired throughout this journey to help you and also continue learning more and more with you too. ✔️ If you liked our channel, subscribe and help us grow and bring valuable content to more and more people. 😀 A big hug and see you in the next videos.
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