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Hey, when connecting smoke and heat devices does it matter to respect line in and line out, or doesnt have it any effect.

I can't imagine it works like that. Normally MCBs RCBs and RCBOs are normed in their size and connection positions. I never came across a board, which told me, that only the board producers own MCBs, RCBOs have to be used.

Do you have any idea, what these 24V and Fault connectors are for?

Thanks a lot, sometimes it's useful to look twice :oops: I assume both red cables are connected each to the zone + /- earth connectors with microswitch in EOL off position and fan controller connected to 5A NC Thanks a lot, helped me a lot

Hello dear forum members, This Fike Fire output unit sat in the middle of a couple of smoke alarms. 2 red cables went in but have been joined with connectors instead being connected to the board. This unit probably was used to stop a fan spinning in case of fire. Motor speed controller was...

Ok got it, it's a new concept for me to take basically only the cable size as a calculation for the mcb or rcbo in the case of the 13A sockets.

Only for my own better understanding. So the double socket, which is marked as 13A is 2 x 13A and not 13A as a total split in half?

Thanks for your fast answer. Fused plug tops are nice, but not very helpful for overload protection of the circuit. Found myself with a commercial installation, where 2 double wall sockets connected by a 2.5sqm cable has been connected to a 20A mcb. I think, that's not the right way to do. So I...

in difference to many other countries where wall sockets are 16A rated, UK sockets are 13A rated. Unfortunately there aren't RCBOs with 13A rating, so as I understand the only choice is fusing each socket, or connecting each socket to a 10A RCBO to exclude the danger of overloading a socket. I...