Thomas Domitrovich

Thomas Domitrovich

This podcast focuses on topics around electrical systems for designers, installers, engineers, and more. We will be talking about the National Electrical Code, NFPA 70B for Maintenance, NFPA 70E for safe work practices and much more. Safety by design is definitely an undertone within this podcast.

  1. 2d ago

    Fault Managed Power - What and Why

    Send us Fan Mail n this Shock Week 2026 episode, Thomas Domitrovich is joined by Bob Voss and Chad Jones for a technical discussion on Class 4 Fault Managed Power Systems, electrical safety, Power over Ethernet, and the evolving role of DC power distribution. Bob and Chad bring deep experience from industry, codes, standards, product development, and real-world application of emerging power technologies. Together, we explore how fault managed power bridges the gap between traditional Class 1 power and limited-power Class 2 / PoE systems. This conversation covers why Class 4 power matters, how these systems are designed to detect faults and stop power delivery quickly, and how Article 726 of the National Electrical Code and UL 1400 are helping define the installation and safety framework for this technology. We also discuss the practical advantages of fault managed power, including higher voltage DC distribution, longer distances, reduced current, smaller conductors, simplified installation methods, and opportunities for safer power delivery in applications such as networked buildings, data centers, communications infrastructure, lighting, and other modern electrical systems. Shock Week is about learning more, sharing more, and advancing the conversation around electrical safety. Hashtags #ShockWeek #ElectricalSafety #FaultManagedPower #Class4Power #NEC #NationalElectricalCode #Article726 #UL1400 #PowerOverEthernet #PoE #DCPower #DCPowerDistribution #ElectricalCode #CodesAndStandards #ElectricalEngineering #ElectricalContractors #LowVoltagePower #DataCenters #SmartBuildings #TDUnplugged Support the show

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About

This podcast focuses on topics around electrical systems for designers, installers, engineers, and more. We will be talking about the National Electrical Code, NFPA 70B for Maintenance, NFPA 70E for safe work practices and much more. Safety by design is definitely an undertone within this podcast.