Calculated Industries

Calculated Industries ElectriCalc Pro Calculator 5070

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  • Front face of the ElectriCalc Pro Calculator
  • A complete electrical reference calculator that's updateable to current code
  • Easily upgrades to the current NEC code
  • Dedicated function keys make using quick and easy
  • Rugged shock-proof Armadillo Gear cover included
  • Learn to use with full reference guide and with online videos
  • Stay compliant with current Code and determine project requirements
  • Everything you need to get started including rugged Armadillo Gear case, complete user's guide, pocket reference guide, and a long-life battery


Electrical Code Calculator
Compliant with 2020, 2017, 2014, 2011, 2008, 2005, 2002, 1999, 1996 NEC®

Electrical contractors, electricians, air conditioning installers and lighting specialists solve tough electrical calculations in seconds and deliver those solutions conforming to the latest NEC.

Easily solve calculations in seconds, including wire and conduit sizes, integrated voltage drop, motor full-load amps, fuse and breaker sizes, parallel resistance and more.

The ElectriCalc Pro is a complete electrical reference tool that will save you time and money. Users can update to future NEC revisions with an easy-to-install kit. Includes Armadillo Gear protective case.

It helps you:

  • Work directly in and convert between Amps, Watts, Volts, Volt-Amps, kVA, kW, PF% and EFF% and DC Resistance
  • Calculate wire sizes per NEC®; Copper or aluminum, 3Ø/1Ø, 60°C, 75°C, 90°C insulation ratings and 100% or 125% of ampacity. Adjust wire sizes for ambient temperatures other than 30°C and for more than three wires in a raceway
  • Integrated voltage drop solutions. Find minimum VD wire size, maximum Length for any given wire size, drop percentage, actual number and percentage of Volts dropped
  • Conduit sizing for 12 types of conduit. Find sizing of all common conduits for any combination for THW/THHW, XHH/XHHW and THHN/THWN wires. Plus, gives fill percentages, cross-sectional areas, remaining areas and more
  • Find Motor Full-Load Amps per Current NEC®. Works in 1Ø and 3Ø with the new expanded tables for 3Ø induction (to 500 hp) synchronous (to 200 hp) and DC motors per NEC®.
  • Calculates Fuse and Breaker Sizes. Solves fuse and breaker sizes per NEC®
  • Parallel and derated wire sizing
  • Parallel Resistance
  • NEC Table number Displays when performing Wire Sizes calculations
  • Sizes overload protection per NEC®
  • Automatically finds NEMA starter sizes
  • Calculates service and equipment grounding conductor sizes per NEC® plus works directly in electrical terms
  • Enter BTU to find Kilowatts per Hour
  • Enter Kilowatts per Hour to find BTU
  • Ohm's Law Calculations - enter any two values to solve for the third
  • Circular MILS wire sizes

Additional Features:

  • Works as standard math calculator with +, -, ×, ÷, +/-, %, π, 1/x, x2, and √
  • Auto Shut-Off
  • Update to future code revisions with easy-to-install kit


  • Long-life CR2016 battery
  • Easy-to-follow User's Guide
  • Handy Pocket Reference Guide
  • Rugged shock, dust and moisture-resistant Armadillo Gear protective case

NEC 2020 Compliance Notice. The 2020 NEC Code has been examined and the 2020 NEC Code that impacts the functionality of your ElectriCalc Pro Model 5070 has been changed. Installing the new chip and setting the calculator to NEC 2020 will make it fully compliant to the new code.

NEC® and National Electrical Code® are registered trademarks for the National Fire Protection Association, Inc.; Quincy, MA 02269

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Warranty Information

Includes one-year warranty from Calculated Industries
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Additional Information

5.6" x 3.0" x 0.6" (142 mm x 76 mm x 16 mm)
Product Weight:
7 oz. - including Armadillo Gear protective case and Pocket Reference Guide
One 3-volt CR-2016 long-life battery
Display Type:
LCD segment; 8 digits
Display Dimensions:
0.625" x 2.5"
12 digit internal accuracy
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