Features & Electrical Tools

Explore the calculators, NEC® references, conduit bending tools, wiring guides, electrical formulas, safety resources, and field utilities available in Electrician Bible.

Voltage Drop & Conductors

  • Circuit Voltage Drop
  • Minimum Conductor Size
  • Conductor Applications
  • Wire Sizing Tools
Professional conductor calculations

Conduit Bending

  • Offset Bending
  • Three-Bend Saddles
  • Rolling Offsets
  • Segment Bending
Plus additional bending tools

Raceway & Conduit

  • Raceway Fill
  • Maximum Conductor Capacity
  • Conduit Support & Spacing
  • Cable Tray Calculations
Raceway sizing and reference tools

Load Calculations

  • Single-Family Dwelling Loads
  • Range & Cooking Loads
  • Dryer Demand Loads
  • Service & Feeder Sizing
Including parallel feeder sizing

Motors & Transformers

  • Motor Branch Circuits
  • NEMA Starter Sizing
  • Transformer kVA Sizing
  • Transformer OCPD
Motor and transformer calculations

Wiring & Schematics

  • Electrical Schematics
  • Electrical Symbols
  • Phase Wire Color Codes
  • Resistor Color Decoder
Visual wiring and identification guides

Grounding & Safety

  • Grounding Conductor Sizing
  • Equipment Grounding
  • Burial Depth Requirements
  • Arc Flash Calculations
Including torque specifications

NEC® Reference & Formulas

  • 50+ NEC® Reference Tables
  • 2023 NEC® Significant Changes
  • Ohm's Law Formula Wheel
  • Power Triangle Solver
Electrical formulas and reference data

Field Utilities

  • Unit Converters
  • AWG to Metric Conversion
  • Fraction & Trigonometry Tools
  • Search & Favorites
Practical everyday field utilities