Free printable reference for the Master Electrician exam. Advanced NEC articles, transformer sizing, three-phase load calculations, and service entrance design rules.

What’s inside

• NEC articles tested on the Master exam (beyond Journeyman level)
• Three-phase load calculation steps and formulas
• Transformer sizing — kVA, turns ratio, primary/secondary current
• Motor branch circuit sizing (Art. 430) — conductor, OCPD, overload
• Service entrance design rules (Art. 230)
• Energy storage and generator requirements (Art. 445, 706)

How to download / print

1. Click Open Printable Version below.
2. In the new tab, click the blue Save as PDF / Print button at the top.
3. Your browser print dialog opens — choose Save as PDF (Ctrl+P / Cmd+P).
4. To print on paper: choose your printer and select Fit to page.

This guide is for study use only. It is a quick reference, not a substitute for the full NEC codebook or official exam preparation materials.