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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 71,920 of 72,318   
   RobH to Andy Burns   
   Re: Power supply trips CU   
   28 Oct 20 17:09:13   
   
   From: rob@despammer.com   
      
   On 28/10/2020 17:00, Andy Burns wrote:   
   > RobH wrote:   
   >   
   >> Andy Burns wrote:   
   >>   
   >>> Does the individual breaker that tripped have a "test" button on it?   
   >>   
   >> Yes it does, about 40mm to 70mm from the right hand side   
   >   
   > Implies earth leakage from the power supply, nothing rattling around   
   > inside the PSU, or stray strands of wire where it's been connected?   
   > (could also explain it blowing a fuse)   
      
   No, nothing is rattling around inside the PSU, and the 3 core mains   
   cable is securely screwed up in the 3 separate connections for +V ,-V   
   and GND.   
      
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