Find the answer before the job stalls
Get to the exact table, formula or code reference in seconds, without hauling the full code book up a ladder.
The pocket reference trusted on job sites for over 35 years.
Get to the exact table, formula or code reference in seconds, without hauling the full code book up a ladder.
Every table and reference is revised to the 2026 National Electrical Code and NFPA 70, so your work stays compliant.
Pocket-sized and spiral-bound, built to live in your tool bag, truck door or back pocket for fast field lookups.
by 18,000+ Verified Electricians & Apprentices
From Ohm's law and conduit fill to motor data and wiring diagrams, every reference an electrician reaches for, in one pocket-sized book built for the field and updated for the 2026 NEC.
| OUR BOOK✓ Original | Typical alternative× Other Books | |
|---|---|---|
| Fully updated to the 2026 NEC and NFPA 70 | ✓ | × |
| Fast field lookups in seconds, not chapters | ✓ | × |
| Conduit bending, fill and ampacity tables | ✓ | × |
| Formulas, wiring diagrams and safety references | ✓ | × |
Fast, code-accurate answers for wiring, conduit, motors, transformers and safe practice, all updated for the 2026 National Electrical Code.