The Clipsal branded stuff I saw looked more like Aeotec devices, and the RRP was about twice as much as you would normally pay for Aeotec.
I thought exactly the same thing when I first saw it too, why be original when you can rebadge? They want $200 for their “Nero Relay” ridiculous pricing.
https://www.herkes.com.au/nero-relay
Those that don’t know any better will no doubt fall for the ripoff.
Was thinking about doing this… But is it legal to modify them like that in aus? Edit quote didn’t work - this was in response to sparky Dave saying wire up a wall switch to a gpio on a sonoff
Only if you get caught.
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Was more thinking from an insurance standpoint…
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So was I.
In other words: yes it is illegal.
It’s not going to be technically legal. Using the GPIO is only ELV so very safe, but you are still modifying the product which is illegal. If you are using the non-certified gear from China then its already illegal anyway…
I guess you could use the one with the temperature/humidity thing as it has an external plug already. I guess there is no issue then as i assume no one cares about running low voltage over existing wires…
Unfortunately that one is not (yet?) certified.
That would work if you had an Aus certified version.
For the record, in Australia:
extra low voltage is no greater than 50Vac or 120Vdc
low voltage is over the above but no greater than 1000Vac or 1500Vdc
high voltage is anything over the above.
So connecting to the GPIO is ELV 
For a sparky you had me concerned for a minute. 240V AC is LV.
Then I realised you meant connect the voltage free GPO switch with the 3V sonoff GPIO signal. Not 240V GPO connections.
HAHA, yeah I just had to trace back through this thread to find out what I was talking about when I first suggested connecting to the GPIO since it was so long ago. The post I had replied to was talking about light switches, which once you disconnect the 240V wires from and connect those to the Sonoff, then as you say they are voltage free. Once this is done, the switch can be used to control the 3V to the GPIO input. This is the same philosophy that is used by Z-Wave light switches and dimmers (they provide their own ELV to run through the light switch mech.
according to this link there are more certified devices. (including ones with exposed GPIOs)
Does this cover stuff from overseas? I cant believe itead make different ones just for these guys to import? How could anyone tell you used the imported version? (aside from a sticker which would bake off in the roof anyway)
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so… if this:
https://www.iot-store.com.au/products/sonoff-th16-temperature-and-humidity-monitoring-wifi-smart-switch
Is CE compliant
according to this:
https://archive.industry.gov.au/industry/IndustryInitiatives/TradePolicies/TechnicalBarrierstoTrade/Pages/EuropeanCommunity-AustraliaMutualRecognitionAgreementFAQ.aspx
We can use it legally in aus? assuming it is ‘low voltage electrical equipment’…
If that’s the input, its not low voltage
- Input voltage: 90~ 250V AC
Great news. Connecting that to a GPO switch is not illegal.
According to the people who had this certified, no it does not. They claim to have had modifications done to comply in Aus. I’ve bought a few but have not looked close enough to verify what has been changed. It could be as simple as applying the RCM (regulatory compliance mark). I don’t know.
Makes no difference in Aus. Needs the RCM and approval.
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Low voltage in aus is below 1000v as per sparky Dan earlier (i did not know this).
https://archive.industry.gov.au/industry/IndustryInitiatives/TradePolicies/TechnicalBarrierstoTrade/Pages/EuropeanCommunity-AustraliaMutualRecognitionAgreementFAQ.aspx
According to that link CE covers low voltage electrical…
https://archive.industry.gov.au/industry/IndustryInitiatives/TradePolicies/TechnicalBarrierstoTrade/Pages/EuropeanCommunity-AustraliaMutualRecognitionAgreementFAQ.aspx
OK i get it, it makes it easier to get compliance here. If i am reading correctly.
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You are referring to transmission lines (in Europe if I am not mistaken “low voltage” is below 6000V)
For end-users low voltage is below 12V. I am sure you do not want to put your fingers on a “low voltage” 1000V line