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Software Downloads

NEW!Versions of the software dated November 2021 and later conform to NEC 2020, CEC 2021.

Easy Download and Setup:

  1. Click on the links below to download and save each tool.
  2. Open downloaded folders or unzip them if necessary.
  3. Run the setup.exe file by double-clicking.

If upgrading, please read software upgrades instructions.

Voltage Drop Calculator

Voltage_Drop_Calculator-R0222.zip 2.2MB (Rev. Feb 2022)

Lighting Calculator

Lighting_Level_Calculator-R0222.zip 2.2MB (Rev. Feb 2022)

Underground Conductors Ampacity Calculator

(FKA Underground Cable Ampacity Calculator)

Underground_Ampacity-R0422.zip 2.8MB (Rev. Apr 2022)


Electrical Calculator

Electrical_Calculator-R1121.zip 2.3MB Freeware (Rev. Nov 2021)

Conductor Ampacity Calculator - CEC Canada

(FKA Cable Ampacity Calculator - CEC Canada)

Conductors_Ampacity_CEC-R1121.zip 1.4MB Freeware (Rev. Nov 2021)

Conductor Ampacity Calculator - NEC U.S.

(FKA Cable Ampacity Calculator - NEC U.S.)

Conductors_Ampacity_NEC-R1121.zip 2.1MB Freeware (Rev. Nov 2021)

Softpedia Certified

Softpedia 100% Clean Software Award

System Requirements:

As of November 2021, PC running Microsoft® Windows® 95, 98, ME, 2000, XP, 7, 8, 10, 11 (32/64 bit OS).


Customer Reviews

"Electrical Calculator is a simple, useful and effective application worth having when you need to quickly calculate and estimate available short circuits. Specially intended for electrical engineers and contractors, Electrical Calculator enables you to perform various calculations and determine the values on both sides of the transformer. The application comes with a user-friendly interface and enables you to change the primary voltage and current as you prefer, then quickly view all the generated results." – Softpedia Review

"Underground Cable Ampacity is a handy application designed to enable you to find the allowable ampacity for underground cable configurations by looking at the tables and diagrams of the Canadian Electrical Code. Using this underground cable ampacity calculator you will be done in a minute. It will save you hours in a year, and most importantly it will reduce the chance of making an error." – Softpedia Review

"Electrical Calculator proves to be a useful and reliable application whose main purpose is to provide electrical engineers with the right tools when calculating the transformer primary and secondary current, protection and selecting downstream equipment interrupting capacity rating. "– Softpedia Review

"NEC Ampacity Calculator is an efficient piece of software ... dedicated to users that need to often look-up NEC tables and apply correction factors." – Softpedia Review