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  1. Replies
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    Re: Oil cooler & filter relocation kits

    Thanks took at a look at the Hot4Cold web site and its looks like a great product range. I have contacted them for a quote. Their fittings seem to be die cast, the China ones look CNC'ed.
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    Oil cooler & filter relocation kits

    Hello all,

    For anyone that does their own servicing, changing the oil filter has to be one of the most loathsome tasks, mainly because of the location (Colt TD)

    So I am thinking of a filter...
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    Re: Ultimate Dual Battery setup.

    Lithium Ion becoming an option: energy density, current, charging cycles. - there is a bit EV community in the States from where one can suss out the DIY aspect, w.r.t building a battery from 18650...
  4. Re: New Mitsubishi Triton 2017: Spec, prices details

    No Clubbie option?
  5. Replies
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    Re: Colt TDi won't start (intermittent when hot)

    Can I add my "black box" ordeal? Colt Club Cab 2004 model After years of reliability and 155 k on the clock, in the heat on November I started to have starting problems, initially when hot. Would...
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    Re: Groenkloof safety situation

    At least please sign the petition and encourage others to, and try attend the public meeting, and we will take it from there.

    There is a Friends of Groenkloof group, not sure what their POA is,...
  7. Replies
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    Groenkloof safety situation

    Hello all,

    I am sure some of you know of Groenkloof Nature Reserve in Pta, there is not only a 4x4 trial, but also fantastic mtb and walking / trial running routes, a really nice picnic & braai...
  8. Replies
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    5,622

    Love my Bosch Blue SDS hammer drill, its a great...

    Love my Bosch Blue SDS hammer drill, its a great machine. On my 2nd one (1st got nicked). No problems, and sometimes I work it hard. I also have a few cordless 18v Makita tools as well, they are...
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    When I looked at what was going here, options...

    When I looked at what was going here, options were limited so I got a 'TED Pro' system in from the States which I use for clients energy audits.

    Its really nicely done, feature rich, they have a...
  10. Well the Scope of 10142 is quite adequately...

    Well the Scope of 10142 is quite adequately defined in Part 1, and 1.1 says "This part of SANS 10142 applies to electrical installations of ... a) Residential premises. ... and o) equipment...
  11. Yes but a DB is a DB, regardless of where its fed...

    Yes but a DB is a DB, regardless of where its fed from, and surely the same rules apply, in this case its a DB fed from an alternative source.
  12. Replies
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    Interesting: Most of the ones I supply are Warm...

    Interesting: Most of the ones I supply are Warm White (2700/3000k), which are really filtered light, but it seems they can still be a problem, though its diffuse and incident?

    "But even light...
  13. You get a specific type of E/L that is a...

    You get a specific type of E/L that is a Disconnecter/Isolator as well, the usual one (even though double pole) is not ,unless is says so.
  14. Took another look at the pics GP, on the Inverter...

    Took another look at the pics GP, on the Inverter fed sub db, the Main switch should be a 2 pole Disconnecter. Also I see a Surge Protection there, not too sure if that serves any purposed in a sub...
  15. Nice .... Just one thing I noted: Do you have...

    Nice ....

    Just one thing I noted: Do you have an Earth Leakage on your Inverter Sub DB? I see the main switch, maybe its combo one with EL. If you don't have one, you really need it, at least on...
  16. Replies
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    'Axperts' abound :)

    'Axperts' abound :)
  17. Replies
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    27,429

    That's your opinion, I have my reasons, you might...

    That's your opinion, I have my reasons, you might think they are silly but who are you to judge? Yes it is a standby system, but even leaving it on is not a 'UPS' either. btw, have you looked at the...
  18. Replies
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    Depends ... nice to have it automatic 'UPS' type...

    Depends ... nice to have it automatic 'UPS' type system but the downside, always on and in circuit, electronic wear & tear, open to surges, susceptible to overloading even when not on line, can push...
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    I did the Installation Rules Papers 1 & 2 with...

    I did the Installation Rules Papers 1 & 2 with P&T in Germiston, good thing about going to classes for that if being able to draw knowledge from experienced people.

    The emphasis on those courses /...
  20. Replies
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    What I have been told in the lecture room this...

    What I have been told in the lecture room this year that generally the TN-C-S is used here for domestic supply, almost without exception. That means the Neutral is Earthed at the suppliers...
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    You probably going to find Microcare only talks...

    You probably going to find Microcare only talks to Microcare, and same with other brands, that's how they roll ...

    Only way to interoperate is to reverse engineer the protocols and and command...
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    Your energy model should consider your battery...

    Your energy model should consider your battery life: Depth of Discharge really plays a big part in Lead Acid life span. If you are planning to generate / store then used at night 8.5 kWh, you going...
  23. Replies
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    I've been developing a programmable Micro...

    I've been developing a programmable Micro Controller based solution for the broader idea of Energy Harvesting and Diversion. Its highly configurable for modular based solutions (separate Inverter, AC...
  24. 6.8.2.3 ... Any deviation from the convention...

    6.8.2.3 ...

    Any deviation from the convention of connecting line to the top and load to the bottom of switchgear is not recommended. Reverse connection is allowed only if:
    a) it is specifically...
  25. The SANS 10412 convention is In Top, Out Bottom...

    The SANS 10412 convention is In Top, Out Bottom on Circuit Breakers, EL, Disconnections, will try to find the ref.
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    Remember Depth of Discharge curves ... 4 x...

    Remember Depth of Discharge curves ...

    4 x 102ah @ 12V = 4.896 kWh

    For decent battery life (5-10) years, 30% DoD is a good number > 1.5kWh

    Which means you can draw 1.5KkW for an hour.
    ...
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    Re: Earth for Inverter supply, there is a diagram...

    Re: Earth for Inverter supply, there is a diagram in SANS 10143 Annex S.3 when Inverter feeds a sub section of the main supply. The Earth Conductor is not connected to the Neutral when Inverter is...
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    I had similar problems, dug down to the...

    I had similar problems, dug down to the foundations on the outside, dried it out proper (fires for a few days), then a Coprox plaster layer to 10cm AGL, then painted Coprox to boot, so far, okay.
    ...
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    Always useful to add some references to the...

    Always useful to add some references to the discussion. I really dont claim to know all about this field, but I am working & advising and trying my best to do my homework, if I am getting it wrong,...
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    My point it that Lithium Ion batteries do not...

    My point it that Lithium Ion batteries do not suffer degradation due to depth of discharge of Lead Acid. The cost of lead acid cells over their lifespan depends on DoD as we have discussed. What are...
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    Indeed! but I just backed it with a data sheet....

    Indeed! but I just backed it with a data sheet. When in doubt, RTFM....

    About Li Ion, I think its the future. Much less concerns about DoD, charge cycles and lifespan. Technology to control /...
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    Depends on your desired lifespan, but generally...

    Depends on your desired lifespan, but generally you should spec it at 30% DoD - and actually measure the current drawn, not the Inverter power rating. Most spec sheets of batteries have this lifespan...
  33. Thread: Gas Geysers

    by kosmonooit
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    I have Gas Mains and gas water heater , cooking,...

    I have Gas Mains and gas water heater , cooking, room heater, sometimes there are gas pressure issues, especially when it raining. It must be something to do with atmospheric pressure but Egoli Gas...
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    Even very early Sat am and Sat eve back to Jhb,...

    Even very early Sat am and Sat eve back to Jhb, N1 to Bela Bela was very busy, but the usual no tail-light overloaded skoros and boy racers driving at high speed weaving in between the lanes not...
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    Its just aft of the wheel, think of stones and...

    Its just aft of the wheel, think of stones and flotsam thrown up by the wheel., and keep the contacts away form water thrown up as well.

    I am sure I can even cable tie it there, but I like to do...
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