Be careful when it comes to conductor sizing rules of thumb—they don't necessarily consider conductor materials and temperature ratings. This week's podcast episode features the Kalos Residential Install Supervisor, Elliot, and covers breaker and conductor sizing for HVAC. Much of this episode is based on his recent experiences in the field and with inspectors, so you may have encountered similar situations. You can listen to it on our website at https://buff.ly/V232TOc. | HVAC School
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Be careful when it comes to conductor sizing rules of thumb—…
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Factors that impact conductor sizing include not only conductor ampacity and equipment terminal temperature rating, but also the conductor insulation temperature rating. In this video we discuss Table 310.4(A) which provides information on conductor insulation properties such as letter type, maximum operating temperature, application, insulation, and outer cover properties… | Mike Holt Enterprises
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Factors that impact conductor sizing include not only conductor …
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To determine what size feeder is needed to carry a certain amount of current, the temperature rating of the conductor and associated terminals must be taken into consideration. Factors that impact feeder sizing include conductor ampacity, equipment terminal temperature rating, continuous load factors, overcurrent protection requirements, conductor insulation temperature rating, ambient temperature corrections, and conductor bundling adjustment. At first glance all of this may seem a bit overwhel
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