If those were my options, I`d have "redundant" 30mA RCDs - as many as there happened to be.
If one fails - I`ve still got another that`ll (hopefully) work......
If one fails - I`ve still got another that`ll (hopefully) work......
Sorry if you though i was having a dig, I was replying to the OP and quickly read the thread and notice talk of redundancy, no offense intended.Neither do I bud; it was simply an observation in response to the question opcorn