For those who charge outside with the Mobile Connector using an extension cord, do you use anything to protect the Mobile Connector's main body from the elements or at least elevate it off the ground (assuming there's nothing to hang it on nearby)?
I haven't so far, although I only got the extension cord a few weeks ago after the rainy season had pretty much ended. It's a 1430, and the connection with the mobile connector is pretty tight. I have been wondering about this, though, and will be interested to hear people's thoughts about it.
@Paul - the actual cable (versus the ends)? No. It's encased in rubber or whatever. It's made for outdoor use. :-)
I doubt the connection would be too happy lying in a puddle.
I have used an extension cord a few times and left the main body on the ground with no problems. In the rain, I placed it under the car.
@KendallPB - Thanks, but I'm actually more concerned about the box than the cable. I talked to Tesla, and they said the box shouldn't sit in water. (It's OK for it to get wet, but it's not waterpoof,) To Brian's point, it's probably also not a good idea to have the connection between the Mobile Connector and extension cord sitting in water either.
Oh...uh, yeah, I wouldn't want the end of any cable sitting in water....
Personally I raise my suspension to very high and make the connection from the MC to the extension cord under the car. When it was raining I put thin red bricks (1/2" thickness} on the ground (after I parked) and then put the cables on that. This way the cables were not only covered from the rain but they were also off the ground.
JD; Aren't you afraid your car will get "bricked"? (Just joking!)
Got my MS two days ago. ( New to forum) Question for the group. Do I read this thread correctly that some owners have used an extension cord along with the MS cable? I was told not do that. Or is it fine? If fine, what cord specs can you provide?
It's not "fine" in any generic way, and Tesla is right to tell people not to do it. I don't believe there is any commercially available extension cord that would work, although I could be wrong about that.
On the other hand, engineers are making their own - as my husband did. In fact, we were comparing home-made extension cords with another S owner at the Milford supercharger on Sunday. We used our cord successfully twice this weekend, on a trip from Boston to Philadelphia and back.
But this is fraught with hazard. To make or use such a cord, you HAVE to know what you're doing. For example, the plug and socket on our cord are rated for 40 amps, but the cord is only rated for 24 amps. So if I were to plug it in and fail to turn the charging rate on the car down to 24 amps from the default of 40, terrible things would happen.
Why is our cord that way? Because we felt that in order to be truly useful, it would need to be long. So it's thirty feet. The scenario is that maybe we are traveling far, and we're stuck without any charging opportunities other than 110, and we don't have that much time - we can use this cable to hook up to someone's dryer outlet and charge faster. But what are the chances that someone's dryer is close enough to the driveway without a very long cord to get to it?
The problem with cord rated for 40 amps is that it's huge, heavy, inflexible, and inconvenient. Thirty feet of it would be especially that way. So we traded faster charging for convenience, but along with that comes risk that the cord could be misused in a disastrous way.
So this is why, unless you have enough electrical engineering background in your pocket to fully understand the issues, you should never use an extension cord to charge your Model S. It's taken me some time to "get it," and I'm still worried about it. Tesla is right to tell people not to do this.
"unless you have enough electrical engineering background in your pocket to fully understand the issues,"
That is an arrogant and obnoxious response to someone's inquiry. People ask questions to learn and understand from each other.
Your condescending personality doesn't go very well in a forum like this.
From reading your post, I can say you are not educated enough to understand this subject.
You can use extension cord with a higher ampere rating than required for the charger. When the length of the cord goes up, the resistance goes up that can produce heat on the cable if the cable is at the exact ampere rating as the target equipment what it draws. That means, if the charger requires 50A, then use a cable with higher ampere rating than 50A, if you are using a longer cord. Telsa says that don’t use it, because they don’t want to take liabilities of recommending an extension cord, if someone misuse it.
As for laying it on the ground, there is no problem as long as the ground is dry. Just for your observation, the electric connections to new housing developments are coming through underground cables.
As for the connector, which is just a connector and there is no wave inference there to shield it from anything.
I would like to add that there are MANY commercially available extension cords that will work well with the model S. They are not cheap, and are very thick but they will definitly do the job.
satyrias, Wow I can't believe that you thought that LMB was being arrogant and/or obnoxious. I thought what she was saying was a simple "You better understand what you are doing before attempting this". It was just a comment that if you don't know what you are doing you could hurt someone or even yourself.
Don't say to someone, "engineering background in your "POCKET".
That is an arrogant superfluous comment.
There's nothing arrogant about telling people that a lack of understanding on a particular subject matter can result in their death or loss of property.
"There's nothing arrogant about telling people that a lack of understanding on a particular subject matter can result in their death or loss of property."
Who said it is arrogant?
Can you comprehend the context?
satyrias; "That is an arrogant and obnoxious response "
Kinda sounds like you did. Regardless of "context".
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