Commercial Electrical Load Calculation-NEC-U#11-01-12-13-10.wmv
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@Lookingforwardish 1.25 is the multiplier for continuous loads which are loads that run for 3 hours or more. In this case, general lighting is a continuous load hence the multiplier of 125% for the conductor and overcurrent protection
shyguyfly 2 months ago
what language is this?
sundogforlove 5 months ago
good Job
cmes77 6 months ago in playlist Electrical Load Calculations
Yet I see you used Volt amps for Lighting and multiplied the entire result by 1.25. In so using volt amps you would have increased volts by 1.25 and amps by 1.25. Would doing it this way create a problem of oversizing the cable. I suppose being larger than required is up to code as you exceed minimum standard.
Lookingforwardish 10 months ago
My question is about your 125% multiplier. When is it best to use the 125% increase for wire sizing? I took 2 master electrician exams in two states and both states I left this off until it was needed for wire sizing. The result is the final solution is correct in both cases but the exams in one state differed from the other state. One state must be using what you do. While the other does the loads (such as 3.5va x sq. ft= A.) with no 25% increase until the final cable sizing.
Lookingforwardish 10 months ago