electrical troubleshooting

Clearing Up the Wire Nut Myth

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Let’s set the record straight:Are wire nuts in service panel enclosures actually allowed? It’s one of the most common questions I get from electricians and inspectors. Here’s the real answer straight from the 2023 NEC—no fluff, just what the code says and how it’s enforced in the field. What the 2023 NEC Actually Says: Section … Read more

How I Found a Faulty Switch Using the Right Voltage Tester

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When you’re troubleshooting, the last thing you want is guesswork. That’s why I always start by finding a faulty switch with a voltage tester—the right one. I was helping a friend with a bad single-pole switch—it looked simple. But what made the difference was using the right voltage tester and not falling for false positives … Read more