How will you know the mains is back on?
How will you know the mains is back on?
Thats a good question!!!!!!!
Look out the window (if at night ) and see if neighbours lights are on?
Or fit a light on the grid side that will light when back on??????
Ideas please!
It stands for Terra-Terra (though don't ask why).Please clarify TT?
Distribution Network Operator. Basically yes, your electricity company (though not necessarily the one that sends you your bill).jimAuk said:And DNO which I assume is somthing to do with the power company?
Basically yes, your electricity company (though not necessarily the one that sends you your bill).
Just to clarify - 2 pole will suffice, as you don't need to switch the earth from your supplier, you just can't rely on it. Even if you did switch it, you'll probably be connected to it through your neighbours' water/gas supply if you've got copper/lead pipes coming in.3 pole (break before make, with off position)
In all honesty you'd be better off feeding your essentials CU as a submain from your main CU.. this will allow you to use a smaller, cheaper switch
Just to clarify - 2 pole will suffice, as you don't need to switch the earth from your supplier, you just can't rely on it. Even if you did switch it, you'll probably be connected to it through your neighbours' water/gas supply if you've got copper/lead pipes coming in.3 pole (break before make, with off position)
I'd choose a three position one, rather than direct changeover.
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