Recent content by electrical19

  1. E

    installing a sub board

    You are perfectly right. I do not have much experience on the commercial side. Now I need to know what you mean when you say Discrimination (please don't get me wrong I know what discrimination means in terms of electric work). I need your expertise . My subboard will be protected by an mcb...
  2. E

    installing a sub board

    Thank you The 40 amp will be an mcb type c The gg fuses are at the intake to protect the DB my idea is to get power from the DB Fit 40amp mcb and connect the swa to the subboard.
  3. E

    installing a sub board

    Yes you are perfectly right. I seen the worse Last time I seen the light switch with 2 switches 400v . How can people do these type of mistake
  4. E

    installing a sub board

    I forgot to say the GG88 are100amp three phase I require maximum 33amp three phase I reckon 40 amp rating is right
  5. E

    installing a sub board

    The board will be a Eaton 4 pole mainswitch three phase the only thing is I need to provide a OCPD I always thought that the main switch is OCPD but it is not. I give you a complete details of the system. From the intake there are isolators . The isolator that interess to us is protetct by 3...
  6. E

    installing a sub board

    Thank you very much for your expertise It much appreciated
  7. E

    installing a sub board

    Thank you
  8. E

    installing a sub board

    The subboard will be three phase +N .with 6mm incoming swa 6mm2 earth and conductor bonding of 4mm.40 amp mcb will protect the cable at distribution board and will terminate at subboard at 63amp 4 pole main switch.As discrimination does not look to good but I have to find out if there is40 amp...
  9. E

    installing a sub board

    Thank you for your advise. I have few question with regards the bonding conductor and Tp&n. As per regs the conductor for bonding I can use 4mm as the earth will be 6mm same as line and neutral contactor also why shall I use a tp&n if the swa 6mm is protect by 40amp three phase at the...
  10. E

    installing a sub board

    I know the formula for Volt drop in this case I didn't calculate as I want to feed just the subboard and I would also know if I used the right equation for the three phase thank you
  11. E

    installing a sub board

    I have to provide power for 10 appliances.Each appliance will be provided with own mcb. The distribution board is 50 meter far away. So I will install a sub board in the room where the appliances will go.the sub board will be fed from the distribution board.If I install the subboard with a...

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