We all want to protect our valuable equipment against dangerous and damaging overvoltage situations. This happens more often than you might think. Even with the best planning, mistakes happen, and you are never really in full control of the situation. A bad cable, a loose connection, someone accidentally disconnecting the neutral wire
From time to time, people ask us; ”your power distribution warns against pulling too much current, why would I need that? If I have an overload, the circuit breaker will eventually trip and let me know”. Yes, eventually. And usually at the most inconvenient time. Circuit breakers are not very precise and certainly won’t give you any prior warning.
Some people believe that all power distribution products are basically the same and that the choice comes down to price and availability. This is absolutely not correct. Some people also believe that if they buy a distro that conforms to all the relevant standards, then they have got the best possible protection. Again, not correct.
Conventional power distribution will cheerfully pass 400V to the power supplies in your LED screen and at minimum, make the internal power supplies into scrap. Circuit breakers protect will only against over-currents, not over-voltages. This is a far too common problem. Equipment damage due to electrical faults is real and costs a lot
It’s a common saying that people who work in the events services are usually failed DJs or failed musicians. There’s some truth in that. After giving up on the music career, I started helping other bands with sound and later lighting. So on the road, I went doing just about everything as one did back in the day (early 80’s). Fortunately, I had somehow managed to get a degree in electronics
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