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    dave09's Avatar
    dave09 Posts: 1, Reputation: 1
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    #1

    Jun 19, 2008, 01:51 PM
    Cable get warm
    I recently had a 15kw heater added to my pool, unfortunately I am unable to use this as the armoured cable gets very warm and trips the RCD. The run of cable is approx 30 ft to the pump housing of my pool. I am not an expert but have google'd and read something that you should allow 5amp per mm2 up to 20 meters, again I would appreciate guidance on this. I have found the original bill for the work carried out and the cable used was 1.0 armoured cable, is this correct.

    Many thanks

    David
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Jun 19, 2008, 05:49 PM
    15 KW, 20 m, X Volts; X = 220? 240?

    Is the 1.0, 1 square mm wire.

    See what kind of marking there are on the cable jacket and the voltage in your area. Even the jacket diameter and # of wires could help.

    The 1.0 isn't in the right ball park, but then I'm dealing with the English system.
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