You are supposed to seek the Manufacturer's advice because the Board will be type tested with what it was originally supplied with. I realise I didn't directly answer your question the first time. Are you aware of the potential dangers from type AC RCDs ? Chances are the original fitted RCD is...
Perhaps more importantly, is it a type AC RCD you would be adding ? Could possibly be wasting your time and money.
Why ? because when subjected to DC from electronics they may fail to work, not worth taking a chance.
I know this is a very old post but I have a similar problem. Apparently it could be the smoke chamber needs cleaning. The one I've got has relays to link to the Tunstall system. My fix, new Aico alarm with relay base.
I would still consider informing DNO. Had a similar "call-out" last weekend. Neutral burnt out in joint outside the property. IT COULD ALSO BE A BAD CONNECTION INSIDE THE PROPERTY, RISK OF FIRE, GET IT TESTED QUICK !!
Is your property served by an overhead line (T-T Supply) ? If yes, sounds like a possible loose connection on the supply side. I suggest that you call the DNO (District Network Operator), they own the cables . The higher current demand will cause the (possible) loose connection to drop voltage...
To be an extraneous conductive part the metalwork has to be capable of introducing a potential into the Building. Unless the hand rail is connected in some way to structural steelwork of similar this is unlikely. We then call it isolated unearthed metalwork. Check the regs. there is a specific...
Good point but the fire alarm etc. not a lot of use if you are out at the time !!
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Hi Mike, I was thinking that in the future insurance cover for electronic equipment may be dependent on having SPD.
Hi, a quote I just sent out to a customer. Have I interpreted the regs correctly ? You're welcome to use it if you think it's ok. P.S.it's meant to get the point across in laymans terms.
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