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Developer's Description

The Motor Pro App is a utility application developed to assist electrical engineers and electricians with the task of connecting electric motors according the National Electrical Code (NEC). This application is designed to look up the rated Full Load Amps (FLA) for Single Phase and Three Phase motors based upon Table 430.248 and Table 430.250 of the NEC respectively. Using this, the utility application then sizes the minimum breaker size needed based on a multiplier that is user adjustable in the range allowed by Table 430.52 of the NEC. The utility application then sizes the minimum conductor size and conduit size, according to Article 430 and Table 310.16 of the NEC, required based on the type of conductor insulation and type of conduit specified by the user in the settings. The equipment grounding conductor is also determined using Table 250.122 of the NEC. Using the phase, neutral, and grounding conductors, the minimum sized conduit is determined using the Tables from Chapter 9 of the NEC. Also displayed, for information purposes, is the ampacity and conduit fill of the calculated branch circuit along with calculated voltage drop for the circuit configuration for a user entered circuit length in feet. Multiple insulation types and conduit types are available, with additional types to be added in the near future.

Full Specifications

What's new in version


Release September 1, 2020
Date Added September 1, 2020

Operating Systems

Operating Systems iOS
Additional Requirements Requires iOS 12.0 or later. Compatible with iPhone, iPad, and iPod touch.


Total Downloads 0
Downloads Last Week 0
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