thanks breezer.
the timer is specifically rated/designed for immersion heaters so I've no concerns with regard to the current.
Now that I've slept on it I realise that what I need to do is put the timer after the On-Off switch and before the appliance.
This means that I can completely...
Ok, time has come to fit a timer to the immersion heater.
this is what I've got :
digital timer with straightforward mains in (Live,Neutral, Earth) and appliance out (LNE).
seems straightforward enough
the immersion has neutral & earth as well as 2 live wires (one for 'bath' and the...