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983 posts

Ultimate Geek

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  #2384468 3-Jan-2020 00:47
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The CE mark means China Export. They've basically cloned the European C E logo and shortened the gap between the letters, its pretty common on a lot of chinesium. For me, no SDoC no bueno. I'd rather my house burn down by dodgy Chinese gear that someone tested and said was fine, so I can make insurance pay.

Anything I say is the ramblings of an ill informed, opinionated so-and-so, and not representative of any of my past, present or future employers, and is also probably best disregarded.

2169 posts

Uber Geek


  #2384538 3-Jan-2020 11:21
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larknz: If you did go ahead and install one of these and it does not have a valid SDOC what is your insurance company going to say if your house burnt down because it failed to trip.

If you did go ahead and install one of these yourself and/or it does not have a valid SDOC and your house burnt down for any reason that looks even vaguely 'electrical', your insurance company will almost certainly just shrug and walk away.
Insurance companies are like that.

There's bound to be a clause somewhere in the dozens of pages of small print in the policy document that gets them out of a claim if there has been unauthorised electrical work (such as a homeowner touching the switchboard) or unapproved (i.e. no SDOC) electrical safety equipment has been installed.


I was actually looking at my IAG policy (BNZ) a while back and there wasn't anything about this.

Read again?

Types of loss not covered
You are not covered for:
1. repairing or replacing floor coverings that are not in the
room(s) where the loss occurred, or
2. repairing or replacing undamaged parts of a bathroom suite
or kitchen suite that have not suffered the loss, or
3. loss to fuses, protective devices or lighting or heating
elements caused by electricity, or
4. loss, cost or expense arising from any fault, defect, error or omission in:
a. design, plan or specification, or
b. workmanship, construction or materials.

A fire caused by the install of a dodgy Chinese breaker would be a fault defect omission in design plan specification workmanship construction AND materials. Ding ding ding multi bonus jackpot!


23470 posts

Uber Geek


  #2384638 3-Jan-2020 14:58
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They sound like a sick sheep when switching..


228 posts

Master Geek

Lifetime subscriber

  #2384994 4-Jan-2020 14:13
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If you're having problems with nuisance tripping, this is really not a good way to go about it.




You need to either:


  • reduce the load, e.g. by putting a smaller element in the hot water cylinder, a smaller range, heat pump instead of resistance, or moving some stuff to gas if you can.
  • Increase the supply - especially if it's overhead (which most older small mains are), it may be cheaper than you expect
  • Set up load shedding, either active or just moving load around:


    • Putting the cylinder on a time switch so that it only runs outside of busy hours
    • Same for heat pump/AC
    • You can potentially get a current-operated switch and use it to lock out major loads when the mains is near its limit. For example, hot water, many aircon units have demand management inputs.

You'll need an electrician for any of the fancier stuff, and for the last one, you'll need someone fairly well versed in industrial-type control equipment.

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