Commercial load calculation- motors

sw_ross

Senior Member
When doing a load calculation for a commercial space (auto body shop), for adding up the motor loads I only add up the calculated VA for each motor to get the total VA for all motor loads, correct?, for my building load calc?

I don't do 125% of largest plus remaining do I? That's only for calculating the size of feeder conductors if I am correct?

Also, Motor-Operated and Combination Loads (220.18A) related to something like the paint booth that has a MUA unit plus additional peripheral loads, including controls and lighting for paint booth, do I use nameplate for MUA unit plus additional loads? Or should I do the 125%?

This is only related to doing a load Calc for the building.

Thanks!
 
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