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  1. Marvo

    Fitting your own air con unit?

    If the pipes are kept sealed the moisture from any air ingress during connecting would be minimal and the air con system has a filter dryer that has dessicant in it which can remove any trace amounts of moisture. Also with air conditioning you can get away with it because usually you're...
  2. Marvo

    Fitting your own air con unit?

    These types of self install air con units come with a detailed installation guide aimed at an average DIY'er. The gas is R290 which is flamable propane so take sensible precations but the amount of gas in the unit is very small compared to air conditioners using traditional refrigerants...
  3. Marvo

    What has happened to Schneider fused-switches?

    Wooooah, you're probably right but easy on the South Africa jokes there partner :)
  4. Marvo

    Proving a point - for real

    C'mon admit it, I won't judge you. This is where the ol' trusty neon screwdriver makes a cameo appearance. You can prove isolation and tighten the loose screw all in one well choreographed movement.:tongueclosed:
  5. Marvo

    Napit.. Do you still choose the job, or do they?

    I can only assume they've reduced their membership fees accordingly now their inspectors can check probably three times the number of jobs in a day without travelling.
  6. Marvo

    Milwaukee M18 Fuel!

    That's what I like, no faffing around just get the full kit....
  7. Marvo

    recommended accessory range? something modern

    Depending on budget available I like Gira. Also check out Legrand Arteor and Gewiss (system white), both of which are a bit easier on the bank balance than Gira.
  8. Marvo

    Wall socket overload

    Is there any signs or smells of burning on the plug or any of the sockets? Poor connections can cause enough heat for fuses to pop.
  9. Marvo

    New member from South Africa.

    Always lekker by die see. Welcom boet.
  10. Marvo

    HV Schneider Breaker

    I'd say definately not compatable unless it states 60Hz in the spec sheet or you get confirmation in writing from Schneider tech support.
  11. Marvo

    Milwaukee M18 Fuel!

    I don't do the kind of installation work you guys do, I mostly work in control panels so I hardly ever need to drill big holes through thick material. With getting older I've been more concentrating on getting my tools lighter, my days of lugging 50 kilos of tools onto or into a roof are over...
  12. Marvo

    Halogen Lamp heating system, diversity?

    Maybe to mitigate some of the max load you could install a contactor to shed the waterheaters when the room heater load exceeds a pre determined value? and I'd agree as mentioned above that application of any diversity formula would be inappropriate in this application.
  13. Marvo

    Please dont delete me

    Glad the forum is useful to you hope Australia is treating you well. Once every few years the forum has a clean out of unused accounts. It's nothing personal, if an account has been inactive for a very long time an email is sent and if there's no response the account is assumed to be redundant...
  14. Marvo

    Request advice regarding sourcing for brushes for Honda CRV alternator

    Firstly if you're dismantling it to replace one bearing then just do both bearings, it's not woth trying to save a few bucks and having to do the job twice. Are the original brushes badly worn? If so it's best to put the armature on a lathe and skim a few thousanths off it to clean up the...
  15. Marvo

    Mains Isolator Switch Advice

    I'd suggest an isolator whilst not being essential would be a great thing to have and to be honest I don't know why the DNO's don't fit them as standard. The guy who replaced the consumer unit would have either pulled the supply fuse or maybe but hopefully not, worked with the supply still live...
  16. Marvo

    Flat twin cable with sheathed CPC.

    The CPC remains a size smaller than the line conductors although sufficient to fulfil rfequirements of the adibiatic formula and the thin sheath on the CPC doesn't qualify as 'insulation' ie it doesn't carry a 1kv IR spec, it's just a thin sheath designed to prevent accidental contact. The outer...
  17. Marvo

    Bus bar chamber with no main isolator

    Busbar chambers are often considered what's often termed as 'fault free zones' as per BS EN 61439 where firstly the primary purpose of protection is to prevent the possibility of short circuit faults and physical injury to personel by construction techniques rather than preventing overload of...
  18. Marvo

    Flat twin cable with sheathed CPC.

    I also heard that it's for helping with identification of the CPC but I think no matter how bad someone's eyesight or how colourblind they may be you couldn't mistake a bare CPC or bonding wire for anything other than what it is.
  19. Marvo

    Flat twin cable with sheathed CPC.

    From the info I saw they said it will be the same price as the uninsulated version..... but don't quote me on that.
  20. Marvo

    Flat twin cable with sheathed CPC.

    I see they're introducing a new type of flat twin cable with a sheathed CPC. In my location there's no requirement to sleeve CPC/bonding conductors and you never see it done. We just install and arrange wiring in enclosures or DB's in such a way that there's no realistic chance of the...

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