In article ,
wrote:
On Switches, MCBs, RCDs, marked with numbers, what is the correct
sequence for incoming wire? Does it go to side 1 or side 2?

A make or break switch shouldn't care?

But what about MCBs, RCDs, RCBOs, must the live phase come in top or
bottom? 1 or 2?

Is it brand dependent?

Where it does matter they're usually marked line and load.

--
*If God had wanted me to touch my toes, he would have put them on my knees

Dave Plowman London SW
To e-mail, change noise into sound.