Recent content by SouthernSpark

  1. S

    Earthing equation 3P 100A

    Yes its already doubled.
  2. S

    Earthing equation 3P 100A

    Hi guys I carried out an EICR a while back on a property with 3P 100A incomer and it only had a 16mm earth. I thought this was undersized, I made contact with the local DNO and had 2 replies, one said it was fine, the other said it should be 25mm. Im trying to do the adiabatic equation for it...
  3. S

    Electrician Jobs Need Electrician Southampton Area

    Hi Guys Im a small business bringing in too much work for me and my lad to handle on our own. Im in talks with a couple of local businesses to bring in extra contract work and therefore looking to bring in a permanent electrician. Need to be comfortable with domestic, commercial, data networks...
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    Edfirst, School Supplies Service

    DO NOT SIGN UP WITH THIS COMPANY. Everyone I phoned that was registered on their site said they received no tenders, or not in their area. I signed up due to their pressure sales tactics and then cancelled the next day. They are trying not to give me a refund on the basis of no cooling off...
  5. S

    loxone course

    I've just been to view their products, looks neat and tidy. Does seem expensive when they're hoping to sell you their goods at the end of it. Do you get many problems with the loxone gear, or is it pretty reliable?
  6. S

    How many PV modules can be fit in one group without creating a sail?

    The training courses dont cover thermal effects on the panels and wind uplift created by a 23 x 5 panel array, they just point me in the direction of the building regulations and the calculations to assess loading on a flat roof which the array seems to comply with. Were attaching them to the...
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    How many PV modules can be fit in one group without creating a sail?

    We currently fit smaller domestic installations, but have done the occasional smaller commercial install. Weve been asked by a customer to design and install a 40kW system, I am happy with the wiring system, enclosures and inverters etc, but im wondering how many panels we can fit in one section...
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    DNO turning off systemsDno turning off systems

    This may be a stupid question, but would installing a battery pack not help this situation? It would give the power somewhere locally to go and would save money in the long run. I know the outlay may be high initially, but if its a case of losing £30K or installing a large Ah Battery pack and...
  9. S

    2391 practical DOL starter

    Should it be disconnected for an IR test?

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