Electrical Pro

Electrical Pro

1,000 - 5,000 downloads

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A great tool for electrical engineers and electricians.

This app is a compilation of five sub apps that use the 2008/2011/2014 National Electric Code (NEC).

Bury Depth:
This will calculate the depth needed to bury a line.

Box Conduit Fill Pro:
This will calculate:
The maximum wires in a conduit
The minimum box size
The minimum conduit/nipple size

Fault Calculator Pro:
This will calculate:
A fault over a line
A fault through a XFMR
The bracing de-rate factor for a utility XR ratio

Motor Calculations:
Locked Rotor Amps
NEC Motor Table Look-up

Voltage Drop Pro:
This app will calculate:
The voltage/percent drop for a wire
Minimum wire size for a given percent drop
Max wire length for a given percent drop
Max amps for a given percent drop
The impedance of the wire based on the inputted values
Click the green "Voltage" label for custom voltages

Wire Ampacity Pro:
This app will calculate:
The minimum wire or max amps based on the inputted ampacity for low and medium voltages,
The equipment and service ground size
A residential feeder size
Click the green "Ampacity" label to switch between minimum wire and wire ampacity

Note: This app uses the internet for the Google Licensing Service

This app uses the 2008/2011 NEC to calculate values.

Now you can save initial values to be used in the calculations!

Where length is inputted you can use your GPS from your phone to get an approximate distance (only as accurate as the GPS in your phone).

This app gives you the ability to email the answers calculated to yourself and others.

See the about menu for additional functionality.

Please e-mail any questions, comments or concerns. If you like the app please rate it, if not please send an e-mail and let us know why so that we can make the necessary changes.

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Recently changed in this version

v3.4 - Added ability to save app to SD card
v3.3 - Added NEC 2014 Calculations
v3.2: Updated wire ampacity input bug
v3.2: Updated DC voltage drop calculations bug
v3.1 - Updated UI and minor bug fixes


Comments and ratings for Electrical Pro
  • (70 stars)

    by Aaron Johnston on 26/02/2014

    I use this app constantly!

  • (70 stars)

    by Richard Santos on 23/06/2013

    Used this while on site to verify engineering. Very accurate and useful!

  • (70 stars)

    by A Google User on 30/08/2012

    Enough said Accurate also

  • (70 stars)

    by Art Vandelay on 15/11/2011

    Well worth every penny.
    One of the best.

  • (70 stars)

    by N J on 14/11/2011

    Eclectically Pro
    The developer of this app was most helpful in getting this to work on my custom rom (Miui). Great communication!!! Thanks again...

  • (70 stars)

    by armando on 08/11/2011

    Great app, just used voltage drop feature for lighting design.

  • (70 stars)

    by Krista on 21/01/2011

    Love that you can email yourself the answers and measure with the gps!