Attend the Advanced Electrical Inspection Class at InterNACHI’s Colorado House of Horrors on March 28, 2025.
Take your electrical inspection skills to the next level with our Advanced Electrical Inspection Training class. This class covers the evolution of residential electrical systems, from early knob-and-tube wiring with fuses to modern 200-amp panels. You’ll see examples of various types of wiring used in homes and learn how to identify common electrical defects, all inside the Colorado House of Horrors®.
Register today 
www.nachi.org/house-of-horrors/colorado-upcoming-classes