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Splitting a 20A socket

Discussion in 'Electronics, Hardware & Software' started by sixfignig, 16/11/18.

 

  1. sixfignig

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    Posted 16/11/18
    I have a single socket 20A circuit installed in my garage, which is placed conveniently for brewing.

    I'd love to be able to use it to power two separate 10A appliances (a 2200w element, and a 2200w element through a Grainfather Controller).

    Is it possible to have a qualified sparky knock up a "site powerboard" type of device that will allow me to achieve the above? I preferably don't want to change the physical wall socket as I have other devices I need to use it for.
     
  2. captain crumpet

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    Posted 16/11/18
    so you want something that plugs into your 20a socket, which has 2x 10a sockets?

    as long as it only plugs in and isn't permanent wiring, and the cables match the same size as the 20a subcircuit it shouldn't be a problem.
     
  3. Bonenose

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    Posted 16/11/18
    It is possible but it is also pushing the limits of a single circuit.
    I am assuming it is a single phase circuit.
     
  4. sixfignig

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    Posted 16/11/18
    Yes, that's correct.

    Mind my ignorance but why is it pushing the limits of a single circuit? The total draw would be ~ 4400w through a single 20A socket (which is rated to 4800w @ 240V)
     
  5. Bonenose

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    Posted 16/11/18
    You have any dodgy connections on that circuit and you are going to start melting stuff.
     
  6. n87

    Same as it ever was

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    Posted 16/11/18
    You should be able to plug a 10A plug into a 20A socket, they are designed to be able to do this.
    Maybe a long shot, but maybe look for a 20A powerboard... I cant imagine the do exist tho, once you get that high you tend to have dedicated sockets.


    Didnt think of if you had round pin 20A, in which case there are things like this: http://www.seltec.com.au/Product-Ca...Output-13-Pin-AUS-20A-Captive-Plug-Input.html

    Not going to be cheap tho.
     
    Last edited: 16/11/18
  7. Coalminer

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    Posted 16/11/18
    Same with any circuit.
    The whole idea of a 20amp circuit is to carry 20 amp i.e. 4800 watts safely
     
    mischa6262 likes this.
  8. Bonenose

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    Posted 16/11/18
    I have replaced too many melted plugs and outlets etc. over the years. Yes it should work but I would advise some caution.
     
  9. captain crumpet

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    Posted 16/11/18
    maybe if he were trying to pull 20a out of a 10a gpo
     
  10. koshari

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    Posted 16/11/18
    What you are seeking can be easily done. Get a sparky to wire up some 10a outlets individually protected with 10a breakers fed from the 20a plug. This way you have effectively maximim demand by limitation. And under no circumstances would you then be able to overload either the 20a plug/socket or either of the 10a ones.

    Prolly cost about 100 bucks in parts and an hours labour.
     
    mischa6262 likes this.

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