If you're here with the 2023 code, the general lighting and receptacle load now INCLUDES the garage as part of the floor space. Code reference is 220.5(C) Apart from that I believe dwelling unit calculations are pretty much the same.
Great job Coach, I never see somebody explain so clearly this electric code book, please let me know if you have something for SP-PH License ( Plumbing /HVAC ). Thanks !!
Could you perhaps edit question 3 (?) for clarity regarding the additional current carrying conductors, to me it reads as the conductor in the question, "with" 3 *more* current carrying conductors, but the remainder of the question is explained and calculated as though there are 3 in total. Thank you very much for these videos.
Can you explain why in the first question for an oven that was 11kw you use the nameplate? But a few questions later you use the table and it said use 8KW for 1-11 KW range. thanks for all your videos.
im not exactly sure what question youre refrencing but there are two different types of calculations, standard and optional. standard method uses the table, the optional method uses the nameplate value. Im not sure if this answered your question but i hope it helps
@ 8:13 Total General Demand, to expand a little on that. 48888/240= 204 Amps, so I need a 225 Amp Service, and 225x.83= 187, I would need a 3/0 Service conductor, right? Also, can you show how to do calculations for Neutral Loads for the feeder and service? I've been asked this type of questions on the Exam. Is the Feeder Neutral: GL_7620 + R_5600 + D_3570= 16790/240= 70 Amp Neutral Load? I have so many questions on this, what appliances are added for this calculation? Also, @12:30 how come the water heater 3800 watts, is not calculated @ 125%, isn't a water heater a continuous load? Thank you for all you do sir, you are a blessing!
on question 4 i had trouble following because i couldnt find alot of the information listed like where does the code say you have to assume the dwelling has 2 appliances and a laundry? i know it sounds like common sense but the question doesnt specify that and i cant find that assumption in the code book, also i had a hard time finding the x3 rule for sqft i did find it however in 220.14 (J). is this common knowledge? im a motor controls electrician so information common in residential isnt necessarily common in my experience so im j ust wondering. also 220.42 is for lighting so why can we apply it to appliances? i did find this one in 220.52 (A) but it hard to find i had to go looking for awhile. there were a few other places i had trouble following this question but i did eventually understand it once i was looking for specific information so thank you for providing a much needed studying tool. i hope i can manage to pass my test in 2 weeks.
So after the going on and on about replacing the value with 8k on the first line of table 220.55…. Now it’s go with nameplate rating? How does it change from that to note 4? Just whatever ya feel like doing that day? Zero sense to me…. It certainly appears to be over 8.75 kw on my end?
I was confused also but I think that in the first question, he refers to table 220.55 then the five notes listed directly underneath the table (note 4 specifically) says that it “shall be permissible” to use the nameplate rating of one WALL MOUNTED or one COUNTER MOUNTED cooking unit. Opposed to a regular stand alone range where we would use the value in column C on the table. Fast forward to the total load calculation that he’s doing. There’s no mention of wall mounted or counter mounted so he automatically applies the demand factor from column c.
Hi I recently purchase the pro version but I haven't been able to log in, I try the reset password link but it just sends another link that is invalid is a non-ending circle in the end, I cannot log in or reset my password, and you don't have a customer service email that would help, can you please help, thank you
