There’s plenty of confusion in the field when it comes to portable generator grounding and bonding—and most of it comes down to one thing: knowing how the system is configured. Whether you’re inspecting a setup or installing one, the right questions start with how it’s connected, not just what it is. The NEC gives us … Read more
Basement egress window requirements are one of the most misunderstood code issues in residential remodeling. If you’re finishing your basement—or inspecting one—egress windows and window well ladders aren’t optional. They’re code. And yes, they’re often overlooked. Whether you’re a DIYer, contractor, or inspector, here’s what the 2021 IRC says (and what it really means) when … Read more
High-Leg Delta Panel Wiring: If you’re working in an older commercial building and pop the dead front off a panel that’s got some unusual orange labeling on the B phase—chances are, you’re looking at a high-leg delta system. You need to know how to wire it right, because one simple mistake can fail your inspection, … Read more
Pool fence barrier requirements often feel like a nuisance at first—just something to pass inspection and get swimming. But did you know that… According to the U.S. Consumer Product Safety Commission (CPSC), nearly 300 children under the age of 5 drown in backyard pools every year. Most of these tragedies happen at home, and the … Read more
IRC roof ventilation requirements aren’t just about adding vents—they’re a critical system to prevent moisture, heat damage, and premature roof failure. This guide breaks down everything inspectors, contractors, and serious DIYers need to know about the 2021 IRC ventilation requirements (R806), what manufacturers expect, how to calculate Net Free Area (NFA), and what goes wrong … Read more
Let’s clear up one of the most common misunderstandings I see on job sites—and during framing inspections—when it comes to fireblocking vs. firestopping. These two terms are not interchangeable, and if you mix them up during rough-in, it’s going to cost you time, possibly a failed inspection, and maybe even require you to tear out … Read more
How windows fit into the energy code isn’t just a box to check—it’s a key part of passing your inspection and avoiding costly callbacks. Energy performance starts with fenestration, and understanding how U-Factor, SHGC, and NFRC ratings apply under the International Energy Conservation Code (IECC) can make the difference between a smooth approval and a … Read more
If you’re pouring a concrete slab under a conditioned space, the vapor retarder beneath slab code requirements in the 2021 IRC mandate a vapor barrier—and not just any plastic sheet. The 2021 IRC made an important change: under Section R506.2.3, the minimum vapor retarder thickness was increased from 6 mils to 10 mils. Why the … Read more
Understanding the International Residential Stair Code Guide can make passing your stairway inspection a whole lot easier. Whether you’re a contractor, a DIYer, or an inspector preparing for final sign-off, knowing the key IRC stair code requirements up front will save you headaches—and red tags. This guide breaks it down clearly so you can build … Read more
Pass your pool bonding inspection the first time by understanding NEC 680 requirements. Whether you’re gearing up for your first inspection or are a seasoned pro, this guide breaks down what matters. Mastering NEC 680 is crucial to avoiding costly mistakes—and the dreaded red tag. Whether you’re a licensed electrician, seasoned contractor, meticulous inspector, or … Read more
