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Explore Old AJ's Electrical Software

Welcome to Old AJ's! Let our electrical calculator software search the NEC® and do the math for you. All calculations are derived from NEC® 2005. Check the info on this page to learn more, or Products to see our different packages. Don't forget to Register for a free download! Old AJs-created by electricians...for electricians.

Meanwhile, feel free to explore the site! There are lots of calculators right here! Formulas too! Check Onsite Calculators and Onsite Conversions links above...and in the Today's... section, you'll find jokes, games, news, trivia & more! Feel free to leave feedback (see Contact Us) to let us know what you think about the site or the programs. Old AJ's now has a 10-day Free Trial download available.
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Enter total amps & program finds wire sizes & dimensions from NEC® tables, sizes conduit for single & when justified, parallel runs.
Enter Motor HP or FLC & program finds total Amps for up to 12 motors. Also sizes wire and conduit for single & when justified, parallel runs.
Enter single or multiple conductor, size & insulation combos. Program sizes conduit for single & parallel runs.
 
Enter amps & circuit length. Program finds voltage drop.
Enter largest ungrounded conductor. Program finds minimum copper grounding conductor.
Enter current & insulation. Program finds minimum wire size.
Enter HP & voltage, 1Ø or 3Ø. Program finds FLC from NEC® Tables
 
A practical version of Ohm's Law for electricians. Enter 2 values: volts, amps, kva, kw, pf & program finds unknown values.
Enter 2 values. Program finds unknown: power, current, voltage, resistance.
Enter choice of values. Program finds English & Metric equivalents. Lots of categories.
 
Values in Old AJ's programs comply with NEC® 2005 codes & regulations. Local codes and/or company standards may be different.
National Electrical Code® and NEC® are registered trademarks of the National Fire Protection Association, Inc., Quincy, MA 02169.
Copyright 2006 by Anthony J. Wright All Rights Reserved
Related Links:
LM Photonics Ltd.- Electrical
calculations,induction motors.
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