Residential Service Calculations
21,317
Published 2021-05-03
All Comments (19)
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Excellent video brother !!! You helped me more than you know I’m now a sub and will be watching more of your videos
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Man this was really good and you've earned me as a sub! For background I am an instructor in the electrical industry.
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Awesome video. Thank you
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Top notch - thank you!
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Thank you for that good explain. Did you use the NEC 2020?
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This information is very accurate. Surprised to hear Kentucky still uses 2017 NEC oppsosed to 2020. Just curious do you recall when Kentucky switched to 2017 & what year did they switch up to 2017 from?
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Great lessons. Question for Step 8. "If ac or heat was the largest motor and was NOT used in step 4, it is NOT counted." But we use the heater in step 4 so shouldnt 25% of the 8kv be added to the calculation? or am I misunderstanding that if the heating unit isnt presented with a HP value, its not considered a motor?
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What size aluminum power conductor is needed for a 200 amp feeder in a two family home with a 400 amp service supplying both families? But with public service
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I don't understand how the furnace blower motor is coincidental with the A/C the blower is going to run whenever the AC is running. (If it's a typical gas furnace with evaporator coil mounted on top.)
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Hi, I do have a question. Why would we not multiply the 28amp A/C unit by 125% giving us 35 amp X 240 giving us 8,400 which would be the higher of the two units?
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Use article 310.12. It does the final step and sizes conductor.
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How do i get HP to Volt-Amperes?
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What is markowave?
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What code book are you using.? Some of the tables aren’t there in the 2023 and 2020 code book that you are referring to in the video.
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You have any socials to contact you for help ?
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It's possible I missed it, but I do not believe you ever specify the type of motor the disposal is using, so in this example, the student can never find the flc on their own without doing trial and error to figure out what table you got your flc from.
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Well with a refrigerator you have an ice maker with needs tools just sayn
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