Standard Prius Prime Charger (G9060-47130) supporting 240V

Discussion in 'Prime Plug-in Charging' started by Carsten Steenberg, Jan 9, 2018.

  1. dbstoo

    dbstoo Active Member

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    It's not ideal, BUT.... you can minimize the possibility that someone will plug a 110v device into the 5-20 by labeling the cord on both end. Then use a lot of electrical tape to semi permanently attach that adapter to the EVSE's cord.

    I picked up a L2 EVSE from amazon for around $150. The EVSE had a 220V plug on it. To make it usable with 110 it had a short cord that had a 110v plug and 220V outlet. This is a safe way to do it.

    I really like the level 2 cord. It allows me to refresh the battery in about an hour after running a day's errands (15 miles).
     
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  2. pullmyfinger

    pullmyfinger Junior Member

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    So i'm curious, how is my 10-30 to 5-20 adapter any different from Rob's $20 charger setup (besides the splitter)? As far as I can tell they are pretty much the same thing aside from mine being made by a company that specializes in these things.

    Yes thank you all for the suggestions, i'll be sure no one plugs in any 110v stuff into the 240 cord. Also thanks for the suggestion for changing the breaker to 20 amp. I dont think i will be using this much anyways. Only if i need a quick charge to go somewhere. For overnight charges I will continue to use the 120v outlets.

    I'm probably going to get a L2 cord soon, once I see the splitter can handle this without issue. $150 doesn't seem bad at all, what brand did you get, if I may ask? Thanks.

    Just bought the prius today from Maryland, price was really good right now with the $4500 toyota cash rebate.
     
    #282 pullmyfinger, Jan 17, 2021
    Last edited: Jan 17, 2021
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  3. jerrymildred

    jerrymildred Senior Member

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    The voltage rating on a wire is an indication of the wire's insulating capacity. As long as the cable is insulated for at least 250V, it ought to be safe, assuming good construction. The 125V on the end of the NEMA 5-20 part indicates to me that that standard is intended to fit 125V devices. Its purpose is to keep you from plugging in the wrong stuff. I doesn't mean that it'll burn down your house if you feed it 240V and plug in something that's dual voltage.

    Happens all the time. Laptops, for example, are generally dual voltage. Lots of shops sell travel adapters so you can plug in your computer, battery charger, etc when traveling to the many countries that use 220-240V. Practially anyone who goes to Europe or Africa has plugged their NEMA 5-15 (125V) cord into 240 volts. I have several adapters and have used them scores of times. This is really no different.

    The only real concern, as already discussed, is to ensure nothing that can't handle 240V gets plugged into it. Not a likely event given its planned location. Still, I'd put a big yellow warning tag on it.
     
    #283 jerrymildred, Jan 17, 2021
    Last edited: Jan 17, 2021
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  4. dbstoo

    dbstoo Active Member

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    I picked up the Megear on amazon. Pick the 16 amp model for the Prius Prime. The one I bought included a cloth carrying case, the 120V adapter pigtail and a few other gadgets. It's now selling for around $175 - $200.
    Megear Level 1-2 EV Charger(100-240V,16A) Portable EVSE Home Electric Vehicle Charging Station(NEMA6-20 with Adapter for NEMA5-15)

    I've been quite happy with mine.
     
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  5. pullmyfinger

    pullmyfinger Junior Member

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    Great, thank you! I see it's $200 now, maybe i will be a little patient and wait for a sale.
     
  6. CharlesH

    CharlesH CA HOV Decal #5 on former PiP

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    Yeh, travel adapters that have the two round pin Euro plug with a NEMA 5-15 receptacle are pretty much standard accessories for anyone traveling to Europe. They come with a big warning that they do NOT convert the voltage; the device plugged into it MUST be compatible with 240V 50Hz. Which pretty much means that your laptop or smartphone charger is fine, but your electric shaver or hair dryer isn't. There don't appear to be any warnings about whether the power cord itself can handle 240V.
     
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  7. Bill Norton

    Bill Norton Senior Member

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    NEMA was set up so there is no user error. A 120V normal outlet should only have 120V on it,
    and not be a booby trap.

    I've been thru this many times.
    Go cheap. Buy/build this unsafe MacGyver adapter and don't spend a little more and get an actual L2 EVSE.

    At least connect the EVSE with Red Ty-Raps and an warning tag on that 120V outlet, just so someone in you household doesn't do a "user error" and set something on fire.
     
  8. pullmyfinger

    pullmyfinger Junior Member

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    Good news to report, the adapter looks really well built, thick rubber protection over 10awg cord, same with the splitter. The splitter looks very very heavy duty. The thing must have weighed 4-5lbs.

    Connected to my prius and instantly recognized the 240v and showed charging rate of 1 hour and 40 minutes to charge from 30%.

    So i think this is a good alternative for those who dont want to piece together an adapter from Rob's setup by themselves.

    I checked all the connections, there was no overheat of any kind while it was charging. Also i'm going to unplug the adapter when i'm not using the charger so wont be user error issue.

    I think for $50 on Amazon this beats me ordering the parts and building it myself.
     
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  9. Froglegs

    Froglegs New Member

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    Another 240v success story here. I built an adapter dirt cheap (about $18) using this:

    and this:


    I cut the dryer cord to less than a foot long, and labeled the 120V connector "240V!!!". Just in case.

    I had already run a 20amp line from my garage sub-panel to a 120v outlet, so I just replaced the breaker with a double-pole 20A one, and replaced the outlet with a 10-30R.
     
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