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This is true if you have the correct adapter on the charger. I could plug a 14-50 into a 16AWG wired outlet and the Tesla will pull amps until the wires melt or the CB trips.The Model 3 UMC-2 knows what type of outlet you're plugged into and sets the current automatically to 80% of the 80% rating of the 14-50 outlet. 50 X .8=40 X .8=32. You can't set it higher. You can set it lower. If the UMC-2 senses a high temperature, it will ramp down current automatically and may display one red bar at the top.
What does this have to do with the price of eggs in china?
I'd ask electrician or inspector to verify installation under load with FLIR camera or equivalent . See Got a Flir camera to check for electrical safety - Pictures! for examples.View attachment 416954 View attachment 416958 View attachment 416959
My main house breaker tripped tonight. Upon investigating, I saw black smoke curling up my garage wall and smelled burning plastic, from where my 14-50 plug is located. Turns out my electrician had installed the plug with a loose black conductor, causing the outlet and plug to meltdown. At this point I am much more relieved than upset because I was able to stop what could have been a disaster. I will be double-checking every connection myself going forward in the install of a HPWC to replace the 14-50! If you smell burning plastic, investigate!
I'd ask electrician or inspector to verify installation under load with FLIR camera or equivalent . See Got a Flir camera to check for electrical safety - Pictures! for examples.
ANY device which uses close to a circuit’s limit, should be thoroughly checked under load.
Preferably have over size cable and undersized circuit breaker, and never pull the full rated load for the particular circuit without a very thorough check.
Cable which is hidden away and out of site could be the failure point, especially over time as the heat will build up.
It’s the weakest link in the chain- and any slightly high resistance point will potentially heat up till a fire results.
I know what mine will safely support at home, (Yes, oversize cable from the switchboard) and use it accordingly, but whenever I use an unknown power outlet I reduce the charge current to be 100% safe.
I have read all these post and 1 CRITICAL point is missing. Any circuit can only support a max of 75% of rated capacity. This means that your dedicated 50 Amp circuit should not be loaded with more than 37.5 amps. The Car must be set to draw no more than that. I have a 30 amp circuit so my Model 3 is set to draw 22 amps. If I set the Car to draw 30 amps then overheating of wires will occur. This fact is not clearly elaborated on anywhere.
"Your point" is giving people a false sense of security. Having a licensed electrician doesn't make you safe. Period...dot. My pictures above are proof of that.
Your comparison to seat-belts is not applicable at all to this.
"Your point" is giving people a false sense of security. Having a licensed electrician doesn't make you safe. Period...dot. My pictures above are proof of that.
Your comparison to seat-belts is not applicable at all to this.
In my experience AND from reading threads like these, I've seen the average homeowner can do a better job than a qualified electrician. It's my opinion. Not a single wire in my garage has melted, yet, a licensed electrician DID NOT install it and a county inspector DID NOT inspect it. What you said in your original post suggests that I shouldn't be alive right now. I always agreed that a licensed electrician should do the work and you should get it permitted. But have someone else come and look at it, or like someone else suggested, get a thermal camera to look at it. Super easy to do but nobody wants to drop $3k on a camera.I’m giving people false sense of security?
By telling people to follow proper guidelines and make intelligent decisions? lol
I never stated that doing what I said will be 100% safe and nothing will happen - that would be a false sense of security.
The average person has a much greater chance of NOT burning the house down by following my advice. It’s simple logic
My goal here isn't to save $500. (I bought a $100k car) My goal was to do it safe! If you want to trust your family's life in the hands of a single stranger with piece of paper (license), that's your prerogative. I started this conversation with you because I've seen failed outlets and fires time and time again. What you originally said absolutely gives a false sense of security. I don't care about homeowners insurance, I care that it's done right. If it's done right, your house won't burn down.
A related issue is the amount of heat generated during charging at home with a Tesla home charge unit. When I ordered our 2015 Model S 85 D, the wall-mount was offered as an option and so I purchased it along with the car. I arrived about three weeks before the auto was delivered and I had a licensed electrician do the install. It was connected to a 100 amp service with breaker arrangement. The unit itself was then set for 100 amp charging which the car backs down to 80% automatically, so 80 amps.
I have found that at times to handle on the output end of the cable is too hot to touch comfortably, so I pull out my handkerchief to unplug, if the car is still charging or has just completed. Over the past few months I have noted that the black composite cowling around the plug is cracking, beginning on the sides and now running from both sides to the middle front.
Has anyone else had this issue arise? View attachment 418021 View attachment 418019
I found a similar thing when I replaced my double wall oven last year. Outlet was totally charred. Totally could have caught the house on Fire. Eeks!View attachment 416954 View attachment 416958 View attachment 416959
My main house breaker tripped tonight. Upon investigating, I saw black smoke curling up my garage wall and smelled burning plastic, from where my 14-50 plug is located. Turns out my electrician had installed the plug with a loose black conductor, causing the outlet and plug to meltdown. At this point I am much more relieved than upset because I was able to stop what could have been a disaster. I will be double-checking every connection myself going forward in the install of a HPWC to replace the 14-50! If you smell burning plastic, investigate!
I found a similar thing when I replaced my double wall oven last year. Outlet was totally charred. Totally could have caught the house on Fire. Eeks!
It was a Leviton brand receptacle. My electrician is a hard-working, experienced tradesman. He was on-the-job training a junior helper. What I presume is that the heavy-duty gauge of the wiring gave the impression that the connection was tight and firm. Both my 50 amp breaker and my whole-house breaker tripped simultaneously, in a conflagration/peak.
Here is a better photo of the damage done to the receptacle.View attachment 417002