Contren® Connect is an interactive online tool for construction education! Ideal for blended or distance education, Contren® Connect is the perfect online supplement to use with the Contren® Learning Series Trainee Guides. Contren® Connect ebooks include all of the content of the print Trainee Guides and much more! Click the DEMO button below for a guided tour.
Cost per course: $40 when ordered through ABC.
Enroll Newsletter - Register to get free E-mail newsletter.
2002 NEC Wiring Method Article Numbers - The Article numbers for most of the wiring methods were renumbered.
2002 NEC Index [ Excel Spreadsheet ]
Arc Blast Calculator - Spreadsheet to calculate Arc Blast in accordance with NFPA 70E.
Capacitor kVAR Calculator - Spreadsheet to determine capacitor kVAR required to improve power factor (PF).
Circuit Design Calculator Conduit Bending Manual - ByBill Bamford [
Word™ ] [
PDF ]
Conduit Fill CalculatorConductor Sizing and the NEC Electrical Formulas (Chart) - Great handy chart containing important formulas [ PDF 30KB]
Electrical Formulas - Spreadsheets and more!
Electrical Instructors - Visit our Training Materials Website for Free Stuff
Electrical Proposal - Download this Electrical Contractor proposal [
Word™ ] [
PDF ]
Exam Preparation - Free online training program on the 2002 NEC. Includes FREE comprehensive 215 question Journeyman and Master Examinations. Determine your strong and weak areas before taking your state exam.
Fault Current Calculations Book - This is a winzip.com file that contains 3 Acrobat files
Fault Current Calculator - Point-to-Point Method [Excel™ Spreadsheet 199KB]
Free Training Package to Qualified instructors! [PDF 189KB]
FIPS 94 - Electrical Power for Computer Installations - This is an excellent publication (1-23-99) (7 MB PDF)
Graphics and Text for your company newsletter is available, call 1-888 NEC Code (632-2633) for details
Grounding and Bonding Index - Cross-Reference For Article 250 (Word File)
GEMI Grounding and Electromagnetic Interference Program Grounding Sensitive Equipment - This is excellent paper [ITIC Standard] (10-20-99) (184K pdf file)
Graphics and Video - (View Actual Course Instruction Videos and Ilustrations)
Instructor Advertising Help - Free Advertising Flyers for Your Seminars Courtesy of Mike Holt
Journeyman Simulated Online Exam kVar Calculator Landscape Lighting Voltage Drop Calculator Low Voltage Book - Download my book "Guide to Low-Voltage and Limited-Energy Systems" (PDF 890kB)
Master/Contractor Simulated Online Exam Mike Holt Desktop Background NEC - Code Quiz NEC 1999 Index [ PDF 188K ]
NEC 2005 Index - Free Download [ PDF 913KB ]
NEMA GFCI Field Test Survey Report - January 2001 [ PDF 800KB ]
Online Training Course - Free online training program on the 2002 NEC. Give it a try and let us know what you think.
PowerPoint Slides Available Free for Instructors Online - Product CatalogProduct Catalog (PDF 1.3MB)
Residential Load Calculations - Dwelling Unit (780K Spreadsheet)
Short-Circuit Point-to-Point Calculations Book - This is a winzip.com file that contains 3 Acrobat files
Short-Circuit Calculator - Point-to-Point Method [Excel™ Spreadsheet 199KB]
Touch Potential 2-Wire Circuit - Open Neutral 2-Wire Circuits (Excel™ Spreadsheet)
Touch Potential 3-Wire Circuit - Open Neutral 3-Wire Circuits (Excel™ Spreadsheet)
Transient Voltage Surge Protection Consumer's Guide (PDF 400KB)
Transient Voltage Surge Protection Manual (Leviton PDF 1MB)
Free Graphics (View Actual Course Instruction Illustrations)
Free Video (View Actual Course Instruction Videos)
Voltage Drop Calculator [Excel™ File]
Wiring and Raceway Chart - Just view and print