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L1 charging amperage requirements


bobk
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I just modified my charger installation to have an on/off switch.

The charger draws 10 watts while waiting to be put to use.

 

10 watts x 24 hours x 30.4 days / 1000 = 7.3 kwh per month

That's one less phantom load wasting power in my house.

 

Very nice! I am going to ask my electrician to wire it up that way too. Also move this over to my other thread as a hint/tip

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Meyersnole (or anyone), how did you get your car info entered so it shows up in the bottom of your posts? I haven't been able to figure it out yet and I would like to enter my car info.

 

Click on your name and go into your profile. Click on edit my profile (upper right). Tabs on the left, click on signature. Rich text editor there for your sig.

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I just modified my charger installation to have an on/off switch.

The charger draws 10 watts while waiting to be put to use.

 

10 watts x 24 hours x 30.4 days / 1000 = 7.3 kwh per month

That's one less phantom load wasting power in my house.

The photo is the 32 Amp Leviton with 25foot cable in my garage. My quick on/off swith is a 40amp breaker just to the left of the unit. Thanks for the units draw information murphy

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Very nice! I am going to ask my electrician to wire it up that way too. Also move this over to my other thread as a hint/tip
I think it's great to look at all leaks. I bought a kill-a-watt meter just for that, but it's hard to justify the cost...

 

7.3 Kwh per month is less than a buck. So if your electrician is going to add $30 to the install bill, it's a 3 year payback.

 

And that includes remembering to flip the switch off every day.

 

At least the light ring will remind you to flip it back on. :-)

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I'm not hating on the idea, I'm just saying people need to be smart about it.

 

 

I'm actually putting in two 220's, with a throw switch so one or the other operates. One will be near the door opening in case I need to charge outside.

 

To your point, I will definitely switch it off on vacations or extended periods, but I will give it a try since I already have the switch

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  • 2 weeks later...
The photo is the 32 Amp Leviton with 25foot cable in my garage. My quick on/off swith is a 40amp breaker just to the left of the unit. Thanks for the units draw information murphy

FusionEnergi, I can't locate the 32 Amp Leviton with 25' cable. Where did you buy yours?

Edited by pluggedin
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I am looking at getting that one too. Home Depot has it.  I have a link in the other thread that will pull up the all the chargers there.  http://www.fordfusionenergiforum.com/topic/509-residential-charging-stations-now-what/?p=1037

I went with the Leviton with the 18" cord instead and contracted with Mr Electric to do the install thru Home Depot when I was there today..Cost was $962.83 with tax. Install separate, of course.

 

I am going to try to hang mine from the garage ceiling and bought a retractable extension cord to mount next to the charger to see if I can hang the plug on it. The retractable extension cord was about $30. My ceiling is 10' high.

Edited by pluggedin
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I posted this question on the Blueoval forum but got no response.

 

Has anyone considered installing a kilowatt-hour (KWH) meter in the feed to their 240 volt charger to track the power used to charge the battery?

 

It's easily done with a plug-in Kill-a-watt device for the 120 volt charger but has to be wired into the 240 volt circuit for the 240 volt charger.

I have one on order to experiment with the measurements.

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Murphy, I'm very interested in knowing if you figure out how to make a 220 usage meter.

This

 

http://www.ekmmetering.com/ekm-metering-products/electric-meters-kwh-meters/basic-kwh-meter-100a-120-240-volt-3-wire-60hz-ekm-25ids.html?gclid=CK3Qitri07UCFZOe4AodXAcAlA

 

is the one that I ordered.  It won't arrive until late this week or early next week.  I did not order either of the cases since it will be in my garage but the DIN mounting rail ($2.00) is required to mount it.

 

I'll have a picture once I decide on how to mount it.

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Unfortunately no.  I had previously measured the idle draw to be 10 watts using other equipment.

10 watts is 0.01 KW.

This meter confirmed that.

10 watts times 24 hours times 30.4 days equals 7296 watt hours per month divided by 1000 equals 7.296 kilowatt hours per month.

For me at 16 cents per KWH that is $1.17 per month.

Probably not worth worring about when IHOP is charging $2.19 for a cup of coffee.

 

In case you are wondering where the 30.4 came from, 365 days divided by 12 months equals 30.42 days per month on average.

 

I've already modified my spreadsheet to include KWH per month in addition to gallons per month.

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Unfortunately no.  I had previously measured the idle draw to be 10 watts using other equipment.

10 watts is 0.01 KW.

This meter confirmed that.

10 watts times 24 hours times 30.4 days equals 7296 watt hours per month divided by 1000 equals 7.296 kilowatt hours per month.

For me at 16 cents per KWH that is $1.17 per month.

Probably not worth worring about when IHOP is charging $2.19 for a cup of coffee.

 

In case you are wondering where the 30.4 came from, 365 days divided by 12 months equals 30.42 days per month on average.

 

I've already modified my spreadsheet to include KWH per month in addition to gallons per month.

Wow, I'm not smart enough to figure all of that out. I'll just wait for your posts.

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