Electrician's Helper

Electrician's Helper


(4 stars)


Download for Android

500 - 1,000 downloads

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Electrician's helper provides many useful calculators and converters for electricians and anyone working with power distribution.

Both the NEC and CEC codes are covered.

With Electrician’s Helper you can...

●Calculate voltage, current and power in 3 phase delta and wye circuits.
●Find the ampacity of a conductor as per the NEC and CEC tables.
●Calculate the voltage drop in a line based on length, size, current and temperature.
●Find the total box fill by entering the size and number of conductors, straps and clamps.
●Find the maximum number of conductors allowed in a particular size raceway based on NEC and CEC rules.
●Determine what size raceway is needed for a bundle of conductors.
●Find the maximum bend radius of a conduit.
●Find the maximum capacitor kvar for a motor and the current reduction obtained.
●Find the motor current, heater current, breaker required, wire size, starter and conduit size for a particular 3 phase motor.
●Find the full load current of an induction, squirrel cage, and synchronous motor.
●Calculate voltage, current and kVA values for single and three phase transformers.
●Find the locked rotor current of a single or 3 phase motor.
●Do basic Ohm’s law calculations.
●Find decimal equivalents of fractions.
●Convert temperature scales.
●Look up connector configurations.

keywords: electrical, conduit, transformer, ohm's law, motor, three phase electrical code.

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Recently changed in this version

Updated for NEC 2014.

If you are having a problem running Electrician's Helper or if you have a suggestion for improvement please contact me and include the device model, version of Android it is using and description of the problem.


Thank you.

Comments and ratings for Electrician's Helper
  • (69 stars)

    by Joseph D Guinn on 22/12/2013

    I use this app for quick measurements. Works well for me.