If I am not mistaken, an RV uses an extension cord, having a male plug on the side of the RV into which you plug the female side of the extension and the male end goes into the receptacle on the pole in the RV park. Nobody requires you to plug the male end in last (or throw the breaker last) so in theory you can plug in at the pole, throw the breaker and then walk with the hot femal end of the extension to the RV to plug it in. It is not the recommended way, but it is possible and would resemble a situation in a home where you plug an extension cord into the wall first and then walk with the hot female end to where your load is.
This is not the situation with the EVSE though, because the female plug is not powered until the pilot signal detects that it is connected to a car. So, the EVSE case resembles much more an automated RV situation where you first plug in the extension cord on both sides, then throw the breaker to energize. In theory the EVSE could have the J1772 pistol and cord as a plug-in, extension cord type, but that is not how the EVSE are defined mechanically. Cor van de Water Chief Scientist Proxim Wireless Corporation http://www.proxim.com Email: [email protected] Private: http://www.cvandewater.info Skype: cor_van_de_water Tel: +1 408 383 7626 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Peri Hartman Sent: Wednesday, March 13, 2013 8:10 AM To: 'Electric Vehicle Discussion List' Subject: Re: [EVDL] EVSE-overcrowing replaces range-angst There's one fundamental difference: for the EVSE the cord is pre-attached to the "hot" end. The reverse is true for RVs. Peri -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Zeke Yewdall Sent: 13 March, 2013 7:56 AM To: Electric Vehicle Discussion List Subject: Re: [EVDL] EVSE-overcrowing replaces range-angst > There are a lot of RVs on the road and no one seems to get shocked using > the > 50A outlets. But of course the extension cord is dead until the male plug > is plugged into the receptacle and it is difficult to shock yourself with > the female connector. It is of course different on EV extensions where one > could attach the connector to the battery pack first creating the > possibility of getting a shock from the male plug prior to plugging it into > the AC receptacle, or a shock from the male plug on the EV itself before > the > extension is connected. We are talking about AC in the cord, not DC, right? (this would be different for the DC charge port). The car is not capable of generating any AC (unless its a V2G car, which already has tons of complicated electronics to prevent this). So, it's still only a cord energized by grid voltage. So it's not any different on an EV situation than on an RV situation, it seems to me. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20130313/2b47 fc37 /attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
