Mike Holt's Electrical ToolBox. I created an amazing app for the electrician, inspector, instructor, contractor, and engineer. The app contains conductor sizing (including voltage drop limitations), circuit protection sizing, race sizing, equipment grounding conductor sizing for electric heating equipment (commercial and Residential), air-conditioning equipment, motors, Transformers (commercial), and dwelling-unit service calculations and sizing. As for me and my house, I will serve the Lord [Jo
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Mike Holt's Electrical ToolBox. I created an amazing app for the ele…
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In this video, NEC expert Mike Holt explains how to properly ground a corner grounded delta system and the special characteristics of these rare systems… | Mike Holt Enterprises
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In this video, NEC expert Mike Holt explains how to properly ground …
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I'm an author, businessman, educator, speaker, publisher, and National Electrical Code® expert. I've written hundreds of electrical training books and articles, founded three successful businesses, and taught thousands of electrical code seminars across the US and internationally. I've been serving the electrical industry for over 50 years, creating and publishing books, DVDs, online training, and curriculum for electrical trainers, students, organizations, and electrical professionals. The real
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I'm an author, businessman, educator, speaker, publisher, and …
38.6K views5 months ago
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If you’re going to succeed in the electrical trade, you’re going to need a good understanding of the “Formula Wheel.” The Formula Wheel combines the Ohm’s Law Formula Circle and Power Formula Circle (Watt’s Law). Take the time to watch the video where Mike explains this essential tool and how it’s applied using real-life examples. To follow along with this video, you can download a PDF from our newsletter on this topic, click on the link below. 🔗 https://www.mikeholt.com/newsletters.php?action=
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Equipment Grounding [250.4(A)(2)] is a very complicated theory concept to understand. This 60 second video is just a primer on this topic. Please watch the full video that covers this topic at MikeHolt.com/Fundamentals. | Mike Holt Enterprises
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Many think that grounding protects against a ground fault, but physics and the National Electrical Code prove otherwise. Watch MikeHolt.com/GroundRod | Mike Holt Enterprises
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Keeping up with the requirements of the Code should be the goal of everyone involved in the electrical industry. The following is a video that explains how to use the National Electrical Code. I encourage you to use it as a training resource for your organization, and share it with your colleagues. The NEC was written for those who understand electrical terms, theory, safety procedures, and electrical trade practices. Learning to use the Code is a lengthy process and can be frustrating if you do
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