Recent content by CG_Sparks

  1. CG_Sparks

    Getting a shock in a shower.

    I went to look at a job like this a few years ago. My customer had a rental house, where there was an upstairs bedroom that had a newly built stud wall to make an ensuite, which he had built himself, to save money. Anyway, one day he phoned and said one of his tenants kept getting frequent...
  2. CG_Sparks

    Click Mode Drop in Quality?

    Hi everyone, just wanted to ask if any other sparks who use scolmore click mode have recently noticed a drop in the quality of their accessories? In the last couple of months I've had a switches fail on a USB double sockets, a couple of light switches not fully clicking in to turn lights...
  3. CG_Sparks

    which vac for Metabo MFE40?

    I can do roughly 6 x full height 2.5m vertical chases at 30mm deep, before it gets too heavy and needs emptying. The triple blade turns all the wall material into pure brick dust instead of big clumps of plaster and brick. The only complaint I have is it has flimsy cheap plastic wheels.
  4. CG_Sparks

    which vac for Metabo MFE40?

    I've got the Mfe40 with triple blade and use it with the metabo M class ACR 35, which is really powerful and would recommend. It has a sensor on it that bangs the filter clean as you use it, if it senses a drop in suction and all the mess goes in a rubble bag that you can neatly empty. The blade...
  5. CG_Sparks

    What is your preferred method of getting your DC cables into the roof void

    This might help http://www.klober.co.uk/, click on SOLARLINE - it's a special roof tile designed for putting dc cables through the roof and making a water tight seal. universal for all pan tiles and slate roofs
  6. CG_Sparks

    BRE 489 wind Loads equation

    Hiya, thanks for that, the 3rd edition tells me that i should use BRE 489 for the pressure coefficient value, as it's a retro fit install. What i meant by i don't understand is, at the end of the equation, you come up with a number for upward force and downward force measured in newtons. it...
  7. CG_Sparks

    BRE 489 wind Loads equation

    Hi. I'm having a bit of trouble trying to do the calculation in BRE 489 for solar pv wind loads. I understand the equation; F = qs x Cp, net x Ca x Aref But what i don't understand, is what to do with the number at the end. Do i look in say a schuco mounting rail...
  8. CG_Sparks

    Budget Solar 4KW system for £8000 fitted

    That price is ridiculous! budget solar might be using cheap chinese panels, but did they think about most chinese companies liquidation patterns? The product warranties will be 5 years or so, but whose to say the company will still be around in that time for customers to claim against faulty...

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