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post #11 of 12 (permalink) Old 11-22-2018, 01:47 PM
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Originally Posted by Htiek Jenkins View Post
I just use a 220V/120V evse plug with no brains.
Just installed 220V next to driveway, most of the time I do not leave cord outside, had one fail because of water.
You mean that you have none of the J1772 measures in place ? The charging plug is hot all the time? That does not sound very safe. Hopefully, you at least have a GFCI on the circuit.

Does the car turn the charger (and battery pack contactor relay) on without seeing a control pilot signal from an EVSE?

And you may say "I plug it in then go inside and turn it on, then turn it of before unplugging." But someday you will forget to do so. And what about a curious kid playing with it or the like?

Last edited by Yinzer; 11-22-2018 at 06:27 PM.
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post #12 of 12 (permalink) Old 03-21-2019, 08:03 AM
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Originally Posted by Htiek Jenkins View Post
I am part of a charge rewards program, so I needed to create something.
Since the smart electric does not have a built in way to set charging times, I created a relay box.
This relay is powered by a small 12v transformer to make the 220V connections.
This system can also be used to allow time usage charge, Electric bill cheaper at off peak times.

The 12v wall transformer is being controlled by a home automation socket that can be set on a schedule to turn items on and off. This has allowed me to turn charging on after midnight nightly while I sleep.

Hope this helps someone setup timed charging at home.
I love this. Can you provide me info on the relays you used?
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