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outdoor electrics

  • 08-06-2009 11:04am
    #1
    djr
    Registered Users, Registered Users 2 Posts: 231 ✭✭


    i'm sure this question has been asked before, but i couldn't find anything via the search that matches what i want to do.

    i've just built a pond outdoors, which needs power for a pump + filter. it's 20-25m from the kitchen, so that's the closest electrical circuit. when ordering the pump i got a nice 1-in 6-out outdoor switch with illuminated buttons that will go somewhere near the pond for ease of switching lights / pump / filter on + off.

    the plan is as follows:

    take a spur off the kitchen ring-mains into a junction box (indoors) with standard twin+earth (heavy gauge) into a junction box near the outside wall. run SWA 2.5MM 5-core `down to the pond (as i said ~ 25m) into my nice switch. run a length of SWA (about 8m) 1.5mm 4-core over to the pump and filter (so they can be switched individually). use the first 2 switches for the pump + filter respectively, and then run lighting off the 3rd switch (this will go a-top a pergola to be built a little later). this leaves me 3 spare switches on my switch box (i was thinking of one of those robus outdoor sockets for another switch). i then have 2 switches for expansion at a later stage if required.

    i will also be powering a shed further down the garden at a later stage, will this 2.5mm SWA suffice, or should i go up to 4mm?

    any questions or clarifications, just ask....

    thanks,

    dave.


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