Comprehensive sets of codes—electrical, energy, building, fire, plumbing, and mechanical—were developed to provide understandable requirements that are easily enforced. But codes only work if states and jurisdictions adopt them and designers and builders comply with them.
We believe that electrical safety begins with good codes enforced uniformly across the nation. But how uniform are we?
This article offers clarification for topics of interest to electrical inspectors, focusing on the 2006 International Energy Conservation Code and ANSI/ASHRAE/IESNA1 Standard 90.1-2004.