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cable too short

Discussion in 'Home Automation' started by johnny3bee, 1 Aug 2015.

  1. johnny3bee

    johnny3bee

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    Hi all
    just required a roller shutter with tube motor. door will be 4m high. cable is about 1.5 long. whats the best way to extend cable, so we can use control buttons from ground.
     
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  3. eveares

    eveares

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    What sort of cable is it? Could you post a photo of the cable with it's cores please.
     
  4. johnny3bee

    johnny3bee

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    its a 4 core black that comes with the motor.dont have a picture at the mo. earth blue black brown.
     
  5. alan333

    alan333

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    Can you replace the cable all the way from the motor?
     
  6. Lucid

    Lucid

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    You'll have earth, neutral and two live connections (a brown and a black) for the two different phases of the motor operation: up and down. The cable will be something like 0.75mm-1mm CSA multicore. Use electricians BUTT Connectors which are crimped using a semi-ratchet tool like this. This will provide a strong and electrically safe connection for the cores, but you'll still need a secondary form of insulation to replicate what the sheath does. If you stagger the butt connectors then you can get a nice finish with heatshrink that makes a fairly compact inline connection overall. Alternatively you could always just bring the cable ends in to an IP junction box.
     
  7. eveares

    eveares

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    What if it is a ELV cable with data being sent from the controller to the motor?
     
  8. Lucid

    Lucid

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    Unlikely from the description.
     
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