Mike Holt Enterprises

Mike Holt's Electrical Code Tabs, Based on The 2026 NEC

Mike Holt's Electrical Code Tabs, based on the 2023 NEC (with 96 tabs and 2 Ohms Law Wheel Stickers)

Mike Holt's Illustrated Guide to Understanding the National Electrical Code, Volume 1 Textbook, Articles 90 - 480, Electrical Exam Preparation, 2026 NEC

Mike Holt's Illustrated Guide to Changes to the National Electrical Code Textbook, Electrical Exam Preparation, 2026 NEC

2023 Master Exam Preparation Book Package

Mike Holt Exam Preparation Textbook

Mike Holt's Understanding Electrical Theory for NEC Applications Textbook

Mike Holt's 2023 Understanding the National Electrical Code, Vol. 1 textbook (Art. 90-480)

2023 Journeyman Exam Preparation Book Package

2023 Mike Holt's Understanding the NEC Volume 1 and Volume 2 textbooks

2020 Mike Holt's NEC Tabs (Color Coded) with 2 Ohm's Law Stickers and Electrical Equations Poster - 2020 Edition

Mike Holt's Illustrated Guide to Understanding Basic Motor Controls, Revised Edition

Mike Holt's Illustrated Guide to Electrical Exam Preparation, Based on 2020 NEC

Mike Holt's Illustrated Guide to Understanding Requirements for Bonding and Grounding, 2023 NEC

Mike Holt's Illustrated Guide to Understanding Electrical Estimating Textbook

Mike Holt's Master Comprehensive Electrical Exam Prep Training DVD Library, 2023 NEC

Mike Holt's 2023 NEC Requirements for Solar Photovoltaic Systems textbook

Mike Holt's Understanding the National Electrical Code Workbook, Articles 90-480, Based on the 2023 NEC

Journeyman Electrician Practice Exam, 2020 NEC

Mike Holt's Understanding the 2020 NEC Volume 1 and 2 Textbook Set

Mike Holt's Illustrated Guide to Basic Electrical Theory 3rd Edition

2023 Changes to the National Electrical Code textbook