DIY Electric Car Forums > External Information > EVDL List

EVDL List · #1 09-02-2010, 02:56 AM

Hello all,

I'm in the process of making up a J1772 adapter box. What kind of plug
(twist lock or straight blade) do you want at the end that plugs into your
vehicle? This is 240 vac only, no 120. Or do you just want a pigtail (2 hots
and a ground) to hook into your system or your own plug?

Thanks

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EVDL List · #2 09-02-2010, 06:25 AM

Rush,

Doesn't this depend on what the EV already is using and thus, lots of
different types of plugs and socket types? Most would be NEMA in my view.

I just started selling the J1772 plug and socket on my website
http://shop.transatlanticelectricconversions.com/main.sc so I am just going
to change over my connections with those. I'm going to "STANDARDIZE".......

Sincerely;

Douglas A. Stansfield
President
www.TransAtlanticElectricConversions.com
http://shop.transatlanticelectricconversions.com/main.sc
973-875-6276 (office)
973-670-9208 (cell)
973-440-1619 (fax)

ELECTRIC CAR PRODUCERS

-----Original Message-----
From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On Behalf
Of Rush
Sent: Wednesday, September 01, 2010 10:44 PM
To: EVDL
Subject: [EVDL] J1772 Adapter box

Hello all,

I'm in the process of making up a J1772 adapter box. What kind of plug
(twist lock or straight blade) do you want at the end that plugs into your
vehicle? This is 240 vac only, no 120. Or do you just want a pigtail (2 hots

and a ground) to hook into your system or your own plug?

Thanks

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EVDL List · #3 09-02-2010, 06:45 AM

My force has a nema 6-20p so that or 2 hots and a ground would be fine. I
would think you almost have to leave it bare wires so people could put on
what was needed (or offer options)

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EVDL List · #4 09-02-2010, 07:16 AM

Hello Rush,

I am using a Danial Woodhead Non-Nema 30A 120/208V 4-pole Twist-Lock
Connector No. 29W09. The Plug is a Danial Woodhead Non-Mena 30A 120/208V
Twist-Lock No. 28W09.

These devices are a inline watertight plug and connecter that has a
overlapping seal and actually can lay on wet ground. The 120/208V is just
the style of the pins configuration. I am using voltages up to 250V on this
one.

The reason I'am using 4-wire instead of a 3-wire device, is that I can
either charge at from 115 to 250 volts. The plug and connector has two
lines, a neutral and a ground. The other end of the cord that plugs into a
wall receptacle can plug into any type of receptacle from a 120V 3-wire,
240V 3-wire, 120/208 4-wire to a 125/250 3 or 4 wire receptacle using
several adapters.

To mount the male plug in the EV, I mounted in a 6 inch length of 4 inch
aluminum conduit with a aluminum closure plate at one end that has a hole in
it for the cable grip of the plug to go through. I just insert a 4 wire No.
8 cable through the gland nut through this housing hole and connect it to
the plug. Pull the plug into the housing and tighten up the cable grip.

I then welded a square flange on the housing entry, and bolt on a 2 gang
watertight hinge receptacle cover made by Bell Co. You can mount this unit
behind the gas cap, where when you open the gas cap, it also opens up the
this cover using a connection bar.

In my case, I have it mounted behind a hinge licensee holder in the rear of
the vehicle. This set up has been on my EV since 1977.

Roland

----- Original Message -----
From: "Rush" <xxx@xxx.xxx>
To: "EVDL" <xxx@xxx.xxx.edu>
Sent: Wednesday, September 01, 2010 7:44 PM
Subject: [EVDL] J1772 Adapter box

> Hello all,
>
> I'm in the process of making up a J1772 adapter box. What kind of plug
> (twist lock or straight blade) do you want at the end that plugs into your
> vehicle? This is 240 vac only, no 120. Or do you just want a pigtail (2
> hots
> and a ground) to hook into your system or your own plug?
>
> Thanks
>
> _______________________________________________
> | REPLYING: address your message to xxx@xxx.xxx.edu only.
> | Multiple-address or CCed messages may be rejected.
> | UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
> | OTHER HELP: http://evdl.org/help/
> | OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev
>

_______________________________________________
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EVDL List · #5 09-02-2010, 07:35 AM

*Doug,
Wow, suddenly the connectors are available for $125 "Car Receptacle" and
$450 "Supply plug" (with cord?) But who is selling the electronic package to
make it work with the "Charging Stations" in town? Without the Pilot signal
management circuitry the J1772 simply doesn't work.

<<<<<<<<<Here is a manual implementation' but the one KHz Square Wave at 0
to +6 also needs to be present for J1772 compatible
chargers.<<<<<<<<<<<<<<<<<<
www.spadepot.com/shop/Spa-Disconnect-GFCI-Load-Center-240V-up-to-60A-P9279C632.aspx
<http://www.spadepot.com/shop/Spa-Disconnect-GFCI-Load-Center-240V-up-to-60A-P9279C632.aspx>
this site is selling a "Spa' disconnect, although manual It is
the perfect manual implementation for a at home charger supply, and simple,
waterproof, and low priced. It is a simple manual implementation, including

the GFCI protection and also includes a manual disconnect all in a proper
electric rated box, at a reasonable price, at only $120, to connect the
charging outlet or cord to then run another wire to power panel and a 240
volt 30 to 60 A circuit breaker. And it is "Rainproof ! " I've paid more
for the 240 v. GFCI ! >>>>>>>>>>>>>>>>>>>>>>>>*
*.
And, Rush, what does your adapter connect to? and which chargers is it going
to be compatible with? Also, do you expect me to cut off the plug on a
charger in warranty?

If I convert my EV to a J1772 Receptacle, then don't I have to also convert
my garage or carport charging outlet to J1772 as well? so the package is
$575 plus electronics on both ends???

Regards,
Dennis Lee Miles (Director) E.V.T.I. inc.
www.E-V-T-I-Inc.COM (Adviser) EVTI-EVA Education Chapter
Phone (863) 944 - 9913 *
----------------------------------------------------------------------------------------------------------------------
On Thu, Sep 2, 2010 at 8:12 AM, Douglas A. Stansfield <
[quote]xxx@xxx.xxx> wrote:

> Rush,
>
> Doesn't this depend on what the EV already is using and thus, lots of
> different types of plugs and socket types? Most would be NEMA in my view.
>
> I just started selling the J1772 plug and socket on my website
> http://shop.transatlanticelectricconversions.com/main.sc so I am just
> going
> to change over my connections with those. I'm going to
> "STANDARDIZE".......
>
>
> Sincerely;
>
> Douglas A. Stansfield
> President
> www.TransAtlanticElectricConversions.com
> http://shop.transatlanticelectricconversions.com/main.sc
> 973-875-6276 (office)
> 973-670-9208 (cell)
> 973-440-1619 (fax)
>
> ELECTRIC CAR PRODUCERS
>
>
>
>
>
> -----Original Message-----
> From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On
> Behalf
> Of Rush
> Sent: Wednesday, September 01, 2010 10:44 PM
> To: EVDL
> Subject: [EVDL] J1772 Adapter box
>
> Hello all,
>
> I'm in the process of making up a J1772 adapter box. What kind of plug
> (twist lock or straight blade) do you want at the end that plugs into your
> vehicle? This is 240 vac only, no 120. Or do you just want a pigtail (2
> hots
>
> and a ground) to hook into your system or your own plug?
>
> Thanks
>
> _______________________________________________
>
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EVDL List · #6 09-02-2010, 07:45 AM

Dennis

Working on that...

Out at the moment. I will read the rest of your note later at the office.

I will over come that issue soon I hope.

Doug
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: Dennis Miles <xxx@xxx.xxx>
Sender: xxx@xxx.xxx.edu
Date: Thu, 2 Sep 2010 09:30:10
To: Electric Vehicle Discussion List<xxx@xxx.xxx.edu>
Reply-To: Electric Vehicle Discussion List <xxx@xxx.xxx.edu>
Subject: Re: [EVDL] J1772 Adapter box

*Doug,
Wow, suddenly the connectors are available for $125 "Car Receptacle" and
$450 "Supply plug" (with cord?) But who is selling the electronic package to
make it work with the "Charging Stations" in town? Without the Pilot signal
management circuitry the J1772 simply doesn't work.

<<<<<<<<<Here is a manual implementation' but the one KHz Square Wave at 0
to +6 also needs to be present for J1772 compatible
chargers.<<<<<<<<<<<<<<<<<<
www.spadepot.com/shop/Spa-Disconnect-GFCI-Load-Center-240V-up-to-60A-P9279C632.aspx
<http://www.spadepot.com/shop/Spa-Disconnect-GFCI-Load-Center-240V-up-to-60A-P9279C632.aspx>
this site is selling a "Spa' disconnect, although manual It is
the perfect manual implementation for a at home charger supply, and simple,
waterproof, and low priced. It is a simple manual implementation, including

the GFCI protection and also includes a manual disconnect all in a proper
electric rated box, at a reasonable price, at only $120, to connect the
charging outlet or cord to then run another wire to power panel and a 240
volt 30 to 60 A circuit breaker. And it is "Rainproof ! " I've paid more
for the 240 v. GFCI ! >>>>>>>>>>>>>>>>>>>>>>>>*
*.
And, Rush, what does your adapter connect to? and which chargers is it going
to be compatible with? Also, do you expect me to cut off the plug on a
charger in warranty?

If I convert my EV to a J1772 Receptacle, then don't I have to also convert
my garage or carport charging outlet to J1772 as well? so the package is
$575 plus electronics on both ends???

Regards,
Dennis Lee Miles (Director) E.V.T.I. inc.
www.E-V-T-I-Inc.COM (Adviser) EVTI-EVA Education Chapter
Phone (863) 944 - 9913 *
----------------------------------------------------------------------------------------------------------------------
On Thu, Sep 2, 2010 at 8:12 AM, Douglas A. Stansfield <
[quote]xxx@xxx.xxx> wrote:

> Rush,
>
> Doesn't this depend on what the EV already is using and thus, lots of
> different types of plugs and socket types? Most would be NEMA in my view.
>
> I just started selling the J1772 plug and socket on my website
> http://shop.transatlanticelectricconversions.com/main.sc so I am just
> going
> to change over my connections with those. I'm going to
> "STANDARDIZE".......
>
>
> Sincerely;
>
> Douglas A. Stansfield
> President
> www.TransAtlanticElectricConversions.com
> http://shop.transatlanticelectricconversions.com/main.sc
> 973-875-6276 (office)
> 973-670-9208 (cell)
> 973-440-1619 (fax)
>
> ELECTRIC CAR PRODUCERS
>
>
>
>
>
> -----Original Message-----
> From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On
> Behalf
> Of Rush
> Sent: Wednesday, September 01, 2010 10:44 PM
> To: EVDL
> Subject: [EVDL] J1772 Adapter box
>
> Hello all,
>
> I'm in the process of making up a J1772 adapter box. What kind of plug
> (twist lock or straight blade) do you want at the end that plugs into your
> vehicle? This is 240 vac only, no 120. Or do you just want a pigtail (2
> hots
>
> and a ground) to hook into your system or your own plug?
>
> Thanks
>
> _______________________________________________
>
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EVDL List · #7 09-02-2010, 07:55 AM

"this site is selling a "Spa' disconnect, although manual It is
the perfect manual implementation for a at home charger supply, and simple,
waterproof, and low priced."

Dennis,

A little comment on definitions: It is a rainproof box, not waterproof.
Those are two different things in electrical code. The latter has a seal,
the former sheds rain if mounted correctly. Looks like a good deal. I
think I paid $70.00 for a 240VAC/50A GFCI breaker at Home Depot.
--
View this message in context: http://electric-vehicle-discussion-list.413529.n4.nabble.com/J1772-Adapter-box-tp2495729p2522415.html
Sent from the Electric Vehicle Discussion List mailing list archive at Nabble.com.

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EVDL List · #8 09-02-2010, 10:55 AM

[quote] Dennis Miles <xxx@xxx.xxx> wrote:
> *Doug,
> Wow, suddenly the connectors are available for $125 "Car Receptacle" and
> $450 "Supply plug" (with cord?) But who is selling the electronic package to
> make it work with the "Charging Stations" in town? Without the Pilot signal
> management circuitry the J1772 simply doesn't work.

The tricky part of J1772 compatibility is the charger interaction.
The standard assumes that an intelligent charger is on the other end
of the wire. Though I doubt many charging stations currently use it,
the standard allows the charging infrastructure to change the amp
limit the charger can draw while the charge is going on (to support
smart grid). Also the charger MUST stop drawing power within 100ms of
the user depressing the disconnect latch/button on the cordset so the
contacts are not disconnected under load.

Been a few months since I read the spec but as I recall there isn't a
pilot signal like Avcon from the car, instead the wall side outputs a
0-12v PWM signal with duty cycle indicating the current capability of
the wall. The car loads that signal down with a couple of fixed
resistances to indicate it is present, ready to accept AC power, and
another to request ventilation. Pretty simple. A J1772 controller
board for the Manzanita chargers would be an easy project.

My biggest problems right now with J1772 are the connector
manufacturers. I've had a few weird interactions with some of the
major manufacturers, including a one rep that said J1772 was the
exclusive domain of their European division and was going to be
obsoleted anyway and just by my bringing it up he was never permitted
to speak to me again. (Maybe he was thinking of the ISO standard, no
idea). Yazaki seems to be shipping 30amp connectors and cordsets, not
the 40 odd amps the standard is designed to take. Everyone seems
mostly interested in 120V charging for the Volt, so high current will
probably be delayed.

There are a few Chinese manufacturers offering cordsets, but I've been
unwilling to buy $1000 worth to find out if the quality is any good.

--
Mark Farver
REVOLT Custom Electric Vehicles
Austin, TX
Parts store now open: http://www.revoltevc.com/

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EVDL List · #9 09-02-2010, 11:05 AM

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EVDL List · #10 09-02-2010, 07:45 PM

"A J1772 controller board for the Manzanita chargers would be an easy
project."

Are you planning to offer this as a product?
--
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