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So if a neutral pin is not needed and I was planning on making a 20ft extension so I can plug in at my brother's when I visit could I save weight on getting 10/3 wire?
So if a neutral pin is not needed and I was planning on making a 20ft extension so I can plug in at my brother's when I visit could I save weight on getting 10/3 wire?
You need 6/3 if you're going to extend a 50 amp, 10/3 if you're going to extend a 30 amp. You can get 6/3 or 10/3 and save some weight, but be sure you label that cable very well, "FOR TESLA CHARGING ONLY", and/or clip the neutral prong & fill in the extension receptacle's neutral socket with epoxy so that someone doesn't plug an RV into it and blow up their appliances.
I notice that 10/3 is rated at 300v. I'm assuming that should be ok.
I'm making a 6-20 outlet connecting to a 5-20. My question is does the white wire just not get connected because if it was connected it would be at 20amps because it is 220 right?
Not sure at all what you are asking. Are you saying you are wiring up (to an electrical panel) a 6-20 receptacle?
Sorry, no Im making an adapter for the the 5-20 plug (witch I just bought from Tesla) to make it work for the male end of the 6-20 (220) plug for hotel A/C. but when it would be plugged in it would have two hots and one ground. and going to the Tesla it would have one hot, one neutral, and one ground. Would I just connect my neutral wire to the other side of the 110 on the 6-20?
Thanks
Sparrow seems to think that his charging cable gets hot when the charge rate switches back to 80A. I haven't been able to check with my data logger since I've only had this happen once so far, but others have reported that this reset happens randomly and repeatedly. This happened to me on my most recent firmware update, so the problem currently remains active as far as I am concerned. Unfortunately this means I have to wake up the car to examine the setting if I haven't plugged in the car immediately after I get home. Hopefully the setting doesn't change between the time you get home and the start of a delayed charging cycle as set by the charging timer.While this was a bug in previous software releases, it looks like that thread points to a display feature, not an actual charging at a higher rate bug.
Alternatively, you can build your own extension cord. Since the Tesla UMC completely ignores the neutral connection, building your own cord has the advantage that you can build it with three wires instead of four used in the cords above (just connect the two hots and the ground). This will make your extension cord lighter and less unwieldy. To make your own, I would just head to your local home improvement store and buy 6-3 SOOW cord.
Ah that explains it -- SO cable counts ground, which means this picture from Amazon is actually showing 6/4 cable (evidenced by the same picture also being reused in their 100ft 6/4 offering).6-3 SO cable has 3 wires green, white and black. Unlike most other cable on SO cable the ground is counted.
Hey guys, I made this PDF document a little while ago and posted it over on the Tesla Motors forums. I recently updated it to include a new adapter I found as well as a plug identification sheet. If you need to make your own charging adapter for the Model S, this should help you on your way. http://cosmacelf.net/Home Made Adapters.pdf