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Welcome to Sundrax Podcasts – your beacon in the vast sea of lighting technologies. Dive deep with us as we unravel the complexities of lighting control systems and translate them into clear, straightforward language. Our journey doesn’t stop at the basics; we illuminate the latest trends and innovative strategies for managing street lights, artfully enhancing historical landmarks and architectural marvels, and brightening industrial spaces and verdant parks.
Episodes

Sunday Jun 22, 2025
Sunday Jun 22, 2025
In this must-hear episode, host Emily is joined again by Alex Chomsky, Technical Director at Sundrax, to tackle a topic that every lighting technician should know: galvanic isolation. From blown consoles to fried network nodes, the risks are real — and preventable.
Alex explains how galvanic isolation protects DMX systems from electrical surges, ground loops, and hardware failure, using real-world examples and practical advice. Whether you're managing a theater, a stadium, or a building façade, this episode will change how you think about signal integrity and safety.
💡 If you're running DMX, ArtNet, or sACN — and especially if you're mixing power sources or working across long distances — this episode is essential listening.
🎧 Key topics include:
What galvanic isolation is and how it works
Where to implement it: splitters, interfaces, and ArtNet nodes
Why optocouplers and transformers are your best friends
Common mistakes and real-world failures
The importance of isolating power zones and preventing ground loops
Recommended hardware: Splitter Selective Pro, Splitter Duo DIN
🔗 Learn more at: entertainment.sundrax.com
📖 Read the full guide:
Galvanic Isolation in DMX Networks — Equipment Protection and Signal Stability | Sundrax
🛠️ Featured hardware: Sundrax Splitter Selective
📩 Contact the team: sales@sundrax.com
👤 Guest expert: Alex Chomsky on LinkedIn
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