Formula Insert Pages for the 2026 NEC
Introducing Tom Henry’s Formula Insert Pages – your essential companion for mastering the toughest electrical exam formulas! These 14 pages of expert-crafted formulas and formats are designed to make even the hardest calculations simple.
Why you need this:
- Comprehensive Coverage: Includes formulas for voltage drop, Ohm’s Law, KVA, transformers, efficiency, motor calculations, and more.
- Easy Reference: Perfectly organized for quick access during study sessions or on the job.
- Boost Your Exam Confidence: Don’t let tricky calculations hold you back. These inserts serve as an invaluable study tool, helping you memorize and apply critical electrical formulas with ease.
- Code-Specific: Tailored to the 2026 NEC.
Whether you’re preparing for the electrical exam or need a reliable guide for work, Tom Henry’s Formula Insert Pageswill give you the edge you need to succeed!
| Price | $6.00 |
|---|---|
| Customer Service | We're Here To Help! Call us anytime during our customer service hours... Monday through Friday - 8:30 am to 4:30 pm (Pacific) Order Questions:
TOLL FREE, 800-273-7375 (Outside the U.S. call 818-887-7828). Our Address: 8001 Canoga Avenue Canoga Park, CA 91304 US Phone: 800-275-2665 E-mail: sales@buildersbook.com
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| Description | Introducing Tom Henry’s Formula Insert Pages – your essential companion for mastering the toughest electrical exam formulas! These 14 pages of expert-crafted formulas and formats are designed to make even the hardest calculations simple. Why you need this:
Whether you’re preparing for the electrical exam or need a reliable guide for work, Tom Henry’s Formula Insert Pageswill give you the edge you need to succeed! |
