Electrician's Bible Lite

Contains ads
4.5
1.1K reviews
100K+
Downloads
Content rating
Everyone
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About this app

You must be in android version 4.0 Ice Cream Sandwich or greater, and have an internet connection on your device.

Some features are locked. But can be Unlocked watching promotional videos.

A must have utility for electrician's, electrical contractors or those looking to pass an electrical certification.
Calculations per National Electric Code 2017.
Calculations included:
Voltage Drop
-Circuit’s Conductors voltage drop.
-Minimum Conductor Size.
Pipe Bend
-Offset.
-Three bend saddles.
-Rolling Offset
-Detail Conduit Support.
-Segment bending.
-Double 45 Degree 90.
Raceway calculations.
-Raceway size calculation.
-Raceway calculation
-Maximum number of same size wires
-Conduit Support\n-Conductors Support
-Conduit spacing
-Conductor Applications and Insulations
-Cable Tray Calculation
-Metric Trade Size Designators.
-R90, RW75, TWN75,T90, TW, TW75, TWU, TWU75
Ampacity
-Conductor Ampacity, wire size.
-table 301.15(B)(16).
Box Fill
-Sizing outlet box.
-Sizing Pull box.
Load calculation (Residential)
-Single family.
-Range and dryer’s calculation.
-Service \ Feeder Conductors.
Transformers
-Transformers Size.
-Transformers OCPD calculations.
-Transformers Short Circuit calculations.
-Delta-Wye transformers Calculations.
Motors calculations
-Motor OCPD calculations.
-Motor NEMA Starters calculation.
-Motor Locked Rotor Calculation.
-A/C motor calculation.
Electrical schematics
- Delta-delta transformers.
- Delta-Wye transformers.
- Three way switch.
- Start/stop AC motor.
- 3 phase A.C. Motor Winding and Connections Wye
- 3 phase A.C. Motor Winding and Connections Delta
- Network cable wiring pin-out.
- Wye Start-Delta Run.
- Electrical Symbols
Burial Depth
-600v or less.
-Over 600v.
Grounding
-Equipment Grounding
-Grounding Electrode Conductor.
-Grounded Conductor, Main Bonding Jumper, System Bonding Jumper, and Supply-Side Bonding Jumper for Alternating-Current Systems.
NEMA Device Configurations.
-Plugs.
-Enclosures.
Electrical Calculations.
-Formula Wheel.
-Power Triangle.
-Series/Parallel.
NEC Tables section.
Color Code.
-Resistors color code.
-Phase wire color code.
-Panel color code.
NEC Calculations Examples.
-Bank load calculation.
-Store load calculation.
-Scholl load calculation.
-Multi-family dwelling load calculation.
-Office building load calculation.
-Restaurant load calculation.
-Motor I load calculation.
-Motor II load calculation.
-Ranges load calculation.
2014 NEC Code Changes.
Units Converter.
- Temperature.
- Energy.
- Length.
- AWG to millimeter.
- Watts to Lumens.
- Torque.
- Fraction calculator.
NFPA 70E Table 130.7 (C) (16).
Arc Flash Calculation.
- NFPA 70E Table 130.7 (C) (15)(a).
Torque Specs for lugs and bolts.
- Squared D.
- GE.
-Search capability.
-Favorites.
-more coming soon.

release version history:
(1.3.0.4.2) Jan 22 2019
(1.3.0.4.1) Jan 17 2019
(1.2.6.15) Dec 14, 2015
(1.2.4.2.5) Feb 5, 2013

National Electrical Code and "NEC" are registered trademarks of the NFPA
If you like to report bugs or suggestions, please send them to electricianbible@gmail.com
Updated on
Sep 5, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

4.5
1.07K reviews
A Google user
January 27, 2019
Apps are asking for to much access to personal data on devices, this app is no exception. Just another example of data mining for no other reason other than grabbing personal information. 90% + apps don't need personal info to work.
56 people found this review helpful
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A Google user
September 28, 2018
It used to be great, now there's something wrong with the offset section. Tried reinstalling it, same results.
26 people found this review helpful
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Quky
October 26, 2018
please can you send me an screen shot of the problem to electricianbible@gmail.com. would be of great help.
Robert Boston
August 14, 2021
My experience with the app is best summed up by a phrase a fellow electrician buddy likes to use, "it allows you to get out of your own head." This is a great quick reference.
10 people found this review helpful
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What’s new

bug fixes and performance improvements thanks to crash report submitted.

App support

About the developer
hidroilio perez
electricianbible@gmail.com
18319 Kings Lynn St Webster, TX 77058-3215 United States

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