Online - Product Catalog - Download the online version of Mike's product catalog.
Online Training Course - Free online training programs on the 2002 & 2005 NEC, Grounding versus Bonding, and Electrical Theory. Give it a try and let us know what you think.

• 2002 NEC Index [ Excel Spreadsheet ]
• 2002 NEC Wiring Method Article Numbers - The Article numbers for most of the wiring methods were renumbered.
• 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)
• Conductor Sizing and the NEC
• Conduit Bending Manual - ByBill Bamford [ Word™ ]   [ PDF ]
• Electrical Formulas - Spreadsheets and more!
• Electrical Formulas (Chart) - Great handy chart containing important formulas [ PDF 30KB]
• 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]
• FIPS 94 - Electrical Power for Computer Installations This is an excellent publication (1-23-99) (7 MB PDF)
• Free Graphics (View Actual Course Instruction Illustrations)
• Free Training Package to Qualified instructors! [PDF 189KB]
• Free Video (View Actual Course Instruction Videos)
• GEMI Grounding and Electromagnetic Interference Program
• Graphics and Text for your company newsletter is available, call 1-888 NEC Code (632-2633) for details
• Graphics and Video - (View Actual Course Instruction Videos and Ilustrations)
• Grounding and Bonding Index - Cross-Reference For Article 250 (Word File)
• Grounding Sensitive Equipment This is excellent paper [ITIC Standard] (10-20-99) (184K pdf file)
• Instructor Advertising Help - Free Advertising Flyers for Your Seminars Courtesy of Mike Holt
• Journeyman Simulated Online Exam
• kVar Calculator
• Low Voltage Book - Based on the 1999 NEC 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 ]
• NEC 2008 Index - Free Download [ PDF 2.5MB ]
• NEMA GFCI Field Test Survey Report - January 2001 [ PDF 800KB ]
• Newsletter - Register to get free E-mail newsletter.
• Online - Product Catalog
• 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
• Product Catalog [ PDF ]
• 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
• Stray Voltage Video
• 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)
• Understanding NEC Requirements of Communications - Mike Holt Enterprises, Inc.
• Voltage Drop Calculator [Excel™ File]
• Wiring and Raceway Chart - Just view and print