VoltWise - Electrician Toolkit

VoltWise is a handy utility for apprentice electricians. Calculate common formulas, review wiring diagrams, keep jobsite notes, and study with a built-in reference library—all offline on your phone.

Whether you are in class, following a mentor, or on a jobsite, VoltWise keeps the math and reference material you need in one place.

FEATURES

Calculators

• Ohm’s Law — solve for voltage, current, or resistance

• Power — watts from volts and amps

• Series / Parallel — combine resistances

• Voltage drop — single-phase estimate

• Conduit bends — stub-up and offset math

• Box fill — quick volume check

• Three-phase power — kW, amps, and power factor

• Unit converter — AWG, inches, mm, and feet

Reference & diagrams

• Field reference notes for apprentice workflows

• Wiring diagrams you can open anytime

Training

• Pre-apprentice track with checklists and study aids

• Built for early electrical apprenticeship learning

Library

• Full searchable library

• Browse by chapter and section, or search across the book

• Content stays on your device for offline reading

Notes

• Personal notebook for mentor tips, class reminders, and jobsite notes

• Notes stay on your device

Free app supported by a small banner ad.

VoltWise does not replace the NEC, local codes, or licensed supervision. Always follow your instructor, mentor, and applicable electrical codes.