If you need a of the most common tables, formulas, and standard references (formatted as a clean PDF), many engineering forums (like Eng-Tips, Reddit’s r/ElectricalEngineering) share user-created cheat sheets under fair use.
NEC 430.22 requires branch-circuit conductors at 125% of FLA → ( 35 \times 1.25 = 43.75 \text A ) electrical engineering tables standards formulas pdf
Motor full-load current ≈ ( I = \frac30 \times 746\sqrt3 \times 460 \times 0.85 \approx 35 \text A ) If you need a of the most common
Formula shows drop <3% → design approved. many engineering forums (like Eng-Tips