Electrician's Helper by Sam Virgillo (iPhone)
Released: Nov 25, 2009
Version: 2.2.1
Size: 41 MB
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Ranking - Productivity (iPhone)

Electrician's Helper

Sam Virgillo
Screenshot #1
Electrician’s Helper will take the hassle out of looking up electrical codes and doing complex calculations for installations.

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.

● Find the locked rotor current of a single or 3 phase motor.

● Estimate the Maximum Pull Tension.

● Calculate voltage, current and kVA of single and three phase transformers.

● Do basic ohm’s law calculations.

● Find decimal equivalents of fractions.

● Convert temperature scales.

● Look up connector configurations.

● Look up NEC tables 311.60(C)(67-84)

Tested with iOS 9.0 thru iOS 13.6

Please note that this is a calculator for codes used in the NEC and CEC. It is not a replacement for the code books.

What's new in version 2.2.1
Fixed bug in voltage drop calculator.
Our verdict: Good
  • + Electrician's Helper is a highly rated app (4.5-star).
  • + Electrician's Helper is currently ranked #285 in paid Productivity apps for iPhone.
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