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Elec Ref

Elec Ref
  • #: 239323
  • Price: $3.99 In Apple Store
  • Category: Utilities
  • Updated: 2013-09-09
  • Current Version: 1.27
  • 1.27
  • Size: 1.00 MB
  • Language: English
  • Seller: Trunnion, LLC
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © 2010 Trunnion LLC
  •  Add to Favorite apps



A pocket reference for electricians and electrical engineers, Elec Ref provides a set of convenient utilities for reference on the job or on the go.


• Wire gauge calculator selects an appropriate wire gauge based on wire type, current, and environmental temperature.

• Parallel conductors determines the required number of conductors for a load and wire size.

• Conduit size calculator determines the minimum conduit diameter required for a series of wires.

• Transformer sizing calculator helps you buy the right transformer for your load, voltage, and phases.

• Resistor color code utility identifies the ohms, tolerance, and temperature coefficient based on a resistor's color bands.

• Motor amps reference gives typical Full Load Amps for standard motors.

• Motor horsepower calculator determines a motor's hp based on its voltage, efficiency, and amps. Also typical FLA values for electric motors.

• RJ45 Ethernet plug wiring reference.

• NEMA Plugs reference, locking and non-locking plugs to 60 amps.

• Standard wire colors for low voltage, 3 phase, telephone, British Automotive, bladed fuse color codes

• 25/50 pair color codes for telephone cables

• Wire types defined for more than 20 types including THHN, THWN, MTW, and all the major types.

• Thermocouple wire reference for 12 different types

• OptiCut cut optimization: how best to get a series of wire cuts out of a combination of partial spools and how many new spools you'll need to buy.

• Ohm's Law feature does all the permutations of V=IR and calculates Power as well.

• Voltage Drop calculator

• Voltage Unbalance calculator

Please share your ideas for additional functions at our website.

If you like Elec Ref please leave us good feedback on the iTunes store!

What's New in Version 1.27

Fixed bug with Transformer sizing when calculating 3 phase sizes.
Thanks Mike B. for pointing this out!

View iPhone screenshots | View iPad screenshots

iPhone Screenshots

Elec Ref iPhone Screenshot 1
Elec Ref iPhone Screenshot 2
Elec Ref iPhone Screenshot 3
Elec Ref iPhone Screenshot 4
Elec Ref iPhone Screenshot 5

iPad Screenshots

Elec Ref iPad Screenshot 1
Elec Ref iPad Screenshot 2
Elec Ref iPad Screenshot 3
Elec Ref iPad Screenshot 4
Elec Ref iPad Screenshot 5

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Rated 3/5 based on 2 customer reviews.


2/5 stars


I do not like this app, it's a bit confusing. I will try to play with it a little more and update the review later. So far with this app my Uglys book has to be with in a reach.

5/5 stars

Super Well Done Lots of Info Plus a Slick UI

iPhone 4 Verizon 32gb Date of Purchase 4-11-2011

This is the nicest app in the store for electricians or journeymen
Its a wealth of information and is very nice on the eyes...
Intuitive and easy to use ...
A lot of work went into this app...
You can lug around an 8" x 10" 3" thick Elect Ref Manual or you can cough up $4 bucks

I'm glad I bought it Happy Customer 5 Stars ***** Stars


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The information may be outdated (2017-03-08 21:11:44). For actual information go to iTunes

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