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Electrical Safety Blog
Learn about the latest electrical safety, compliance and maintenance best practices.
Written by Guidant engineers and electrical training experts.
Workplace Safety


Is It Necessary to Have a Panel Schedule Inside Every Panel?
NEC® Requirements, Explained The National Electrical Code® (NEC®) Section 408.4 requires panel schedules and circuit directories to include enough detail so that anyone—whether it’s a building occupant, maintenance worker, or service technician—can easily locate the correct overcurrent device for a given circuit or area. This requirement exists for one simple reason: clarity saves time, and time saves lives when working around electrical equipment. Panel Schedules vs. Circuit

Brian Hall
Dec 22, 20253 min read


“I Think...”: How Smart People Slip into High-Risk Thinking
Why smart, experienced workers make critical mistakes. and why understanding the three modes of human performance can prevent them.

Paul Decker
Nov 24, 20255 min read


Why Expert Oversight Matters in Arc Flash Compliance
NEC 2026 Section 110.16 update series As companies rush to meet the expanded labeling requirements in NEC 2026 Section 110.16 , many electrical contractors ask this question: “Do you handle arc flash calculations in-house, or bring in an expert?” We've heard it time and again: "do we really need an arc flash analysis in (x) scenario?", and this question gives us pause. Many do not realize that “figuring it out” using software or online tools is far from easy . And when it com

Jeff Kershner
Nov 3, 20253 min read


Swapping Stories: Safety and the Power of Memory
Before I ever understood electricity, I understood fear and loss. When I was a young boy in Maine, my dad was helping my grandfather put...

Steve Oliver
Sep 22, 20254 min read


The ROI of Safety: Why Electrical Safety Programs Are Smart Business
When budgets get tight, safety programs often get pushed to the back burner. corporate executives discussing safety budgets Arc flash...

Jeff Kershner
Sep 15, 20254 min read


Beyond the 40 Cal/cm² Myth: What You Must Know About High-Energy Arc Flash and Arc Blast Hazards
For years, a persistent myth has circulated in the electrical safety world: “Anything above 40 cal/cm² will kill you instantly.” a...

Jeff Kershner
Sep 8, 20255 min read


Stop. Think. Report. Building a Culture That Learns from Close Calls
No injuries. Two breakers tripped. A faint whiff of smoke. Worker reporting a near-miss incident That’s how close one recent incident...
Brian Hall & Jeff Kershner
Sep 1, 20254 min read


How Good Luck Kills: The Electrical Safety Illusion
While electrical accidents are rare, their consequences can be severe. They have one of the highest fatality rates of all industrial accidents, and can bring huge costs in repair and downtime.

Paul Decker
Aug 25, 20254 min read


Buying PPE: Be Careful of Wolves in Sheep’s Clothing
Why The Gloves You Bought Online Might Be Putting Your Team at Risk During a recent electrical safety training session, a student...

Brian Hall
Aug 4, 20252 min read


How Often Should You Test Transformer Oil, and How to Do It Right
Transformer failures can be catastrophic. At best, they interrupt operations. At worst, they cause fires, widespread downtime, or...

Brian Hall
Jul 28, 20253 min read


What To Do When You See a New Arc Flash Label
Everyday scenarios—and how to stay safe when the stakes are high Imagine this: you’ve operated the same equipment safely for 20 years....

Jeff Kershner
Jul 21, 20254 min read


Which Electrical Safety Class Is Right for Your Team?
How to determine which Electrical Safety Training is best for your team? Not everyone in your facility faces the same electrical risks. Some employees might only use extension cords, while others regularly open energized panels. All of them need to be trained appropriately for the work they do and the hazards they may encounter.

Brian Hall
Jul 7, 20253 min read


Why Might One Motor Control Bucket Have a Different Arc Flash Label?
When customers see a different label on one MCC door, they often question whether it's an error. Beware it may not be a mistake but may indicate the presence of a component that increases the arc flash hazard.

Jeff Kershner
Jun 30, 20252 min read
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