Mike Holt's 2026 Apprenticeship Full Blended Student Package - Porter and Chester

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

Mike Holt's Illustrated Guide to Understanding the National Electrical Code Volume 1, Based on the 2023 NEC

Mike Holt's Illustrated Guide to Electrical Theory

Electrical Exam Prep (Electrical Theory Library)

An Illustrated Guide to Electrical Calculations

Understanding the NEC Vol 1 (Understanding the National Electrical Code)

Beyond boundaries

Understanding the NEC Vol 2 (Understanding the National Electrical Code)

Understanding Low Voltage & Limited Energy Systems

Beyond boundaries