smkettner
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Re: Help with wiring a NEMA 10-30P outlet!

Sun Dec 04, 2016 11:18 pm

I want to charge my car faster. If I buy an 80 amp charger will that help?


Sorry that must confuse everybody let me rephrase the question.....

I want to charge my car faster. If I buy an 80 amp EVSE will that help?


No, I don't buy it. You knew what I was saying from the start.
Or do you expect people to just figure it out themselves if the right terminology is used?
I think the questions will still get asked and properly answered either way.
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voltiar
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Re: Help with wiring a NEMA 10-30P outlet!

Tue Dec 06, 2016 3:24 am

I agree with smkettner. It's not the word charger/EVSE that's the problem, it's understanding your car will only charge as fast as it's designed to.

Everyone calls it a charger, even the charger manufacturers! EZ-Charge calls them charging stations, not EVSE stations. Chargepoint, Blink, EVgo does the same.

We get it, it's not technically a charger, but to most people, it is. If it's one thing this industry needs is to simplify things. My favorite is CHAdeMO. What genius thought of that? How about just call it a Level 3 charger, or L3?

LeftieBiker
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Re: Help with wiring a NEMA 10-30P outlet!

Tue Dec 06, 2016 3:51 am

Everyone calls it a charger, even the charger manufacturers! EZ-Charge calls them charging stations, not EVSE stations. ChargePoint, Blink, EVgo does the same.
The term "Charging Station" is in fact correct, while the term "Charger" is not. Charging stations enable charging, but except for Fast Charge stations, do not actually charge the batteries. It's always easy to argue for doing what's easy, because people are generally not very thoughtful. I'm sure that as another generation starts to grow up under the rule of a "plain spoken" Republican President, your side will win this debate easily. Assuming, of course, that people continue to read and write, as opposed to just conversing with their personal devices in words that increasingly resemble monkey shrieks. ;-)
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mwalsh
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Re: Help with wiring a NEMA 10-30P outlet!

Tue Dec 06, 2016 5:55 am

LeftieBiker wrote:"My charger died today. Can someone help me find another one?"
Of course. Glad to help. ;)

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LeftieBiker
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Re: Help with wiring a NEMA 10-30P outlet!

Tue Dec 06, 2016 2:01 pm

No, no, the other kind. A CHARGER! ;-)
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arnis
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Re: Help with wiring a NEMA 10-30P outlet!

Fri Jan 06, 2017 2:06 pm

Image

This is how car chargers should look like :geek:
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GlennD
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Re: Help with wiring a NEMA 10-30P outlet!

Fri Jan 06, 2017 2:33 pm

240VAC is traditionally black and red (hots) and green (ground. 120VAC is black (hot), white (neutral) , and green (ground). Some dual voltage cables have white instead of red. Technically the white should be marked red when only 240V is used. a 14-30R uses 4 wires red, black, white, and green. An EVSE does not use the neutral but adding the forth wire costs very little. My EVSE is connected to a 14-50R with #4 hots and #6 ground and neutral. F0r EVSE use I ignore the neutral but the receptacle is wired normally and the only added cost was 10 feet of #6 wire.
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cwerdna
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Re: Help with wiring a NEMA 10-30P outlet!

Fri Nov 01, 2019 10:34 pm

cwerdna wrote:
Sun Dec 04, 2016 6:22 pm
smkettner wrote: BTW I see nothing wrong with calling your Electric Vehicle Supply Equipment (EVSE) a charger.
It can create confusion and result in money wasting mistakes. See http://www.mynissanleaf.com/viewtopic.p ... 68#p332668.

There have been cases here and other boards where people with 3.x or 6.x kW OBC have wanted to buy 40 amp L2 EVSEs thinking it would speed up their charging above their 30 or 32 amp EVSEs. And, people could buy the wrong vehicle (e.g. one w/3.x kW OBC only) or equipment level because a salesman misled them into thinking it won't make a difference and that buying a higher wattage "charger" (ahem... EVSE) would speed things up. There are a plethora of other examples.
This guy is a perfect example of a guy who didn’t understand his Spark EV only has a 3.3 kW OBC.
https://www.facebook.com/groups/chevrol ... 77?sfns=mo

He wrote:
“Hey, finally set up Level 2 charging at home.
I sprung for a 32 amp charger for my Spark, so we could fill up fast midday.
On my test yesterday, the charging unit’s readout told me it was doing about 13 amps.
Can the Spark not take 30-32 amps? What’s going on?”

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coulomb
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Re: Help with wiring a NEMA 10-30P outlet!

Sat Nov 02, 2019 4:34 am

GlennD wrote:
Fri Jan 06, 2017 2:33 pm
240VAC is traditionally black and red (hots) and green (ground. 120VAC is black (hot), white (neutral) , and green (ground). Some dual voltage cables have white instead of red. Technically the white should be marked red when only 240V is use.
Ok, if cwerdna can resurrect this thread for "a technicality" (I actually agree with him; correctness matters), then I can ask about the above.

I guess all you North Americans understood what he meant from context right? But I'm an Australian, and find it astounding that a white wire could be either neutral or hot depending on context, if that's what he's saying. I thought it made sense to have the second hot a red, so red with respect to black would always be 240V. (And that seems to agree with a quick google search.) But surely a "dual voltage" cable would have a neutral. If white is a hot, what color is the neutral?

I won't even mention that in Australia and a lot of the rest of the world, black is neutral and white is phase B (240 or soon 230 VAC with respect to ground, which we call earth.) :|

Correctness matters. Sometimes it's a matter of life and death.

BTW, is it true that you actually have pure green ground wires in places? The extra cost of the yellow stripe to pander to color blind people is outrageous?
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SageBrush
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Re: Help with wiring a NEMA 10-30P outlet!

Sat Nov 02, 2019 4:58 am

^^ My electrician put red tape on the white wire he used for the second 'hot' connection.

A yellow stripe is a good idea. I don't think I have noticed it on my wires.
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