[Swansea Hackspace] Isolating Solid State Relay
    Alan Cox 
    alan at llwyncelyn.cymru
       
    Mon Sep 28 16:38:20 BST 2020
    
    
  
On Mon, 28 Sep 2020 15:55:41 +0100
Ceri Clatworthy <ceri.clatworthy at gmail.com> wrote:
> Should really be EARTHED !!!!!!
> 
> especially for TESTING.
> 
> Medium Aluminium box
Ditto for noise reduction unless the SSR being used is a zero cross
switching SSR (these only switch when the AC is at the crossing point so
avoiding noise spikes from chopping a 300v+ peak to zero fast)
Alan
    
    
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