See pics attached
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New to charging at home and work, 110v and 220v
- Thread starter tubaprde
- Start date
See pics attached
I’m getting 7mi/hour
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Wait are you saying there’s a danger of something bad happening? It charged overnight for 8 hour without issue. Assuming the plug is only used for charging my tesla, what’s the worst case scenario? Thanks
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I don’t think you can damage the car. It’s smart enough to determine the voltage. But you can damage other 120V appliances if you plug them into a 240V or 208V circuit.
More importantly, if your wiring is not done to Code, there might be a danger of causing fire! So you should resolve this ASAP!
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Ok cool there is nobody who has access to that plug besides me so should be ok. I was worried for a second that the car could be messed up or I could blow something up/ start a fire (FYI I live in an old ass building)
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Jeebus, it is not OK!, At a minimum, that outlet needs to be changed to a Nema 6-15 asap. But, before you do that, assuming its your property (not a condo, right). Have an electrician check the wire gauge. If it is 12 gauge, you can change the breaker to a 20A breaker and make the plug a Nema 6-20. Then you can get the appropriate dongle for your charger and up your rate 50%. Gen 2 NEMA Adapters
OK cool thanks. It’s a rent controlled apartment in California. The building manager is kind of a dicK, but from what I’ve been reading with California law I should be well within my rights to hire an electrician to fix all of this. Source: Bill Text - AB-1796 Rental property: electric vehicle charging stations.
So if I double it I will get 14 mph charge, that would be nice!
dhanson865
Well-Known Member
If that's a 208v circuit then 210v means it's good and very little to no chance of a fire. If that's a 240v circuit and you are seeing 210v on it that means it's bad and yes there is a risk of a fire. A very high risk, like don't use it again until it's physically corrected and you see higher than 228v at the outlet.
You need to know if the service coming into the building is 208v or 240v to have a reasonable assurance that you are in the right ballpark at the outlet.
dhanson865
Well-Known Member
This is what it looks like inside the wall if you stop the fire before it burns down the house.
http://i57.tinypic.com/335eb9e.jpg
That came from someone charging an EV on 120v with improper wiring / outlet and luckily the breaker tripped before it turned into open flames, they weren't hurt.
Just ever so slightly different conditions and that house would have burned down.
http://i57.tinypic.com/335eb9e.jpg
That came from someone charging an EV on 120v with improper wiring / outlet and luckily the breaker tripped before it turned into open flames, they weren't hurt.
Just ever so slightly different conditions and that house would have burned down.
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ucmndd
Well-Known Member
Given it’s a multi-unit apartment building it’s very likely 3-phase / 208, but yes I agree this is pertinent info as that much voltage sag on a 240 circuit would be signs of a big problem.
ucmndd
Well-Known Member
I’d be prepared for the owner’s “fix” to be just shutting the thing off.
It’s definitely not to code, of course. But I think the safety concerns are overblown. Me? I’d keep my mouth shut and charge away.
@cmndd is right. If I had access to the panel, (and paying for the circuit?). The engineer in me would check the gauge. If it was 12, I'd up the circuit to a 20A breaker. then I'd change the plug to the correct 6-20. All available anywhere electrical components are sold, including Home Depot. And take a whole 1 hour of labor. You will have done a good deed for the owner.
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