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RobDickinson
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  #2863426 8-Feb-2022 10:52
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The 16a caravan plug is easier to use outside tho...




Obraik
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  #2863429 8-Feb-2022 10:55
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Maybe? You'd still need to build some protection for the actual UMC box. For any outdoor install I'd skip the UMC and install a wall unit instead. The UMC is weather proof with caveats - the Wall Connector doesn't have those caveats.





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cthombor
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  #2863534 8-Feb-2022 12:10
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Dingbatt:

 

Just out of interest, the mode 2 (granny) cables that people received with their EVs, how long are the cables? Most EVs are 4-5m long so I would assume they are at least that long? Likewise the type 2 cables for use at public AC chargers? I note a few manufacturers (not Tesla)  supply both cables.

 

We are getting some electrical work done soon so it would be good to be able to position stuff correctly to future proof.

 



You'll also have to make a good guess as the location of the charge port on the EV.   

There's no standardisation of the location because -- as with a fossil-fueled car -- the "refueling port" must be located near the next element in the fuel system.  (In the case of an EV, that'd be the DC-DC converter for a DC charge, and the AC-DC converter for an AC charge.)  Long "pipes" for shifting this "fuel" from one location in the car to another would be too expensive and would take up too much space.

https://insideevs.com/news/328027/take-our-poll-whats-the-perfect-charge-port-location/  




Dingbatt

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  #2863601 8-Feb-2022 14:13
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Point taken.
Tesla M3 and Polestar 2 left rear side
BMW 330e and Escape PHEV behind left front wheel arch
BMW iX3, Ioniq 5 (and probably the EV6) and Eclipse Cross right rear side
Leaf and MG ZS front centre.
The ones under serious consideration by me are all on the left side somewhere. Any right side ones are already catered for in our case.

 

 

 

The fuel analogy is interesting, but considering not many sane people would keep bulk petrol supplies in their garage the only thing you have to do is pull into the correct side of the bowser at the petrol station. Even if you pull into the wrong side the hose will generally reach to the filler which is almost always by the wheel arch on the left or right side because the tank is just ahead(-ish) of the wheels protected by the rear crumple zone.

 

Having a charging lead that won’t quite reach, or be a constant trip hazard would be painful.





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RobDickinson
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  #2863618 8-Feb-2022 15:13
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My (tesla mobile) charger plugs in in my garage, my car usually sits on the drive with the charge port on the far side. its not an issue.


Obraik
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  #2863639 8-Feb-2022 15:44
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I've seen people do something like this to keep things tidy:

 





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cthombor
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  #2863655 8-Feb-2022 16:19
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Dingbatt:


The fuel analogy is interesting, but considering not many sane people would keep bulk petrol supplies in their garage the only thing you have to do is pull into the correct side of the bowser at the petrol station. Even if you pull into the wrong side the hose will generally reach to the filler which is almost always by the wheel arch on the left or right side because the tank is just ahead(-ish) of the wheels protected by the rear crumple zone.



 


Agreed, although I think it's routine -- in really cold climates e.g. Alaska -- to have a few jerry cans of petrol in the garage, and to carry one in your vehicle.   The prospect of dying in a fireball is, I think, generally less frightening than that of the prospect of freezing to death if you run out of fuel.   Someday -- perhaps even in my lifetime -- I'm optimistic that EV battery tech will improve to the point that EVs would be attractive in such climates.   Of course you could carry a jerry can of petrol to power your portable generator, and then freeze to death while your EV's battery-heater uses almost all the power your portable generator can produce!



https://www.statefarm.com/simple-insights/residence/what-not-to-store-in-the-garage:


What not to store in the garage

Wondering what not to store in the garage? Some items might surprise you...


Extra fuel: Stashing portable gas cans and propane tanks in the garage can be dangerous: Highly flammable fuel poses a leaking risk. If you store any fuel in the garage, do so only in dedicated, leak-proof containers out of the reach of children and out of the paws of pets and away from potential sources of fire ignition such as water heaters or power tools. A shed away from your home is a better storage spot.

-- 

https://www.adn.com/alaska-news/article/venting-gas-tank-causes-explosion-fire/2009/12/04/


An explosion that set a Hillside home's garage ablaze early Thursday morning appears to have started when fumes from a full vehicle gas tank connected with the flame from a nearby water boiler, according to the Anchorage Fire Department.


The gas tank of a vehicle had apparently been topped off shortly before the vehicle was parked inside, according to firefighters.

"What happens when you do that and then you close it right away, especially if it's cold outside, is as soon as that gas tank is in a warmer environment, it expands and it starts venting," fire department spokeswoman Jen Collins said. "In this case it was venting right near a boiler and it ignited."


--



Scott3
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  #2873174 23-Feb-2022 11:19
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Obraik:


Yeah if you're going to camp sites then for sure, it's a good purchase. But if you're getting a caravan plug installed at home just to charge your Tesla it's not really worth it now with the new version - just get a 15A socket installed and then it can be used for the car or any other appliance



Avoid 15A sockets for EV charging.


 


They were the go to in the early days of EV's in NZ. Sadly, despite being rated for 15A continuous, they seem to do poorly in this duty in the real world. Plenty of photos of scorched plugs / Sockets around.

No photo description available.



 


Hence why the use of the 16A blue IEC 60309-2 (Caravan) plugs became the go to plug to provide slightly more power than a standard domestic socket.



 


These days the work safe guidelines only allow listed plug types. Note that the AS/NZS 3112 plug is restricted to just the 10A rating (standard domestic plug).


https://www.worksafe.govt.nz/dmsdocument/5169-electric-vehicle-charging-safety-guidelines-2nd-edition


Scott3
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  #2873216 23-Feb-2022 12:09
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RunningMan:

 

@Scott3 just saw this for sale. Don't know if you're wanting new or 2nd hand.

 

 

Thanks for the heads up.

 

Ended up buying it, but spent a couple of weeks thinking about it.

 

 

 

Inability to buy a second unit, and have them communicate to manage load the big drawback to the EO Mini Pro 2, functionality that is available on their base EO Mini unit.

 

But of course I only have one EV at the moment.


SaltyNZ
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  #2873268 23-Feb-2022 13:29
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Scott3:

But of course I only have one EV at the moment.



Well you say that now…




iPad Pro 11" + iPhone 15 Pro Max + 2degrees 4tw!

 

These comments are my own and do not represent the opinions of 2degrees.


RunningMan
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  #2873350 23-Feb-2022 16:22
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Scott3:[snip] Note that the AS/NZS 3112 plug is restricted to just the 10A rating (standard domestic plug).

 

And that is WITH temp monitoring. 8 amps max without.


 
 
 

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Scott3
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  #2873361 23-Feb-2022 16:35
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RunningMan:

 

Scott3:[snip] Note that the AS/NZS 3112 plug is restricted to just the 10A rating (standard domestic plug).

 

And that is WITH temp monitoring. 8 amps max without.

 

 

True.

 

But I was refering to the 10A rated version of the plug/socket, as opposed to say the 15A, or other versions:

 


Dingbatt

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  #2873388 23-Feb-2022 17:09
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Since I am not an electrician I am struggling to work out how big a Type A RCD is (Type B will be in the evse). My current distribution board is from a simpler time (1980s) and is now maxed out space-wise. Recent additions to it (aircon, spa) all seem to be in massive housings and the only space left is where this 'spare' breaker is



If it won't fit in that space then we are in for a rebuild of the distribution board, which may adversely impact the budget.




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Scott3
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  #2873559 23-Feb-2022 22:39
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@Dingbatt

 

These days you can get combined RCD / circuit breaker units that fit in one rail mount bay.

 

32A breaker & 32mA RCD example from PDL:

 

https://www.pdl.co.nz/products/detail?CatNo=DOM12534&itemno=DOM12534&tab-document-1=0

 

 

 

But your board appears to be quite old, and not using a rail mount setup. Perhaps that breaker is a push in type, to replace an old push in fuse?

 

Electrician will need to advise. At some an update to a modern board is probiably a good decision, but of course that makes whatever install that triggers that very expensive.


Obraik
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  #2873569 23-Feb-2022 23:33
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Scott3:

 

Avoid 15A sockets for EV charging.

 

They were the go to in the early days of EV's in NZ. Sadly, despite being rated for 15A continuous, they seem to do poorly in this duty in the real world. Plenty of photos of scorched plugs / Sockets around.

 

Hence why the use of the 16A blue IEC 60309-2 (Caravan) plugs became the go to plug to provide slightly more power than a standard domestic socket.

 

These days the work safe guidelines only allow listed plug types. Note that the AS/NZS 3112 plug is restricted to just the 10A rating (standard domestic plug).
https://www.worksafe.govt.nz/dmsdocument/5169-electric-vehicle-charging-safety-guidelines-2nd-edition

 

 

Well TIL. Tesla provides a 15A connector for their EVSE with the car so does this mean that they're actually breaking the Worksafe guidelines and should instead be providing a 16A caravan socket instead?





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