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If your electrician installed NM in an existing conduit from end to end, he is a complete idiot and needs to be dismissed from any consideration or payment.

Yet another option might be to use one of the 100 am circuits for both HPWC's. 80 amps continuous will charge two newer Teslas at full speed. I'm not sure if the Gen3 HPWCs have the load sharing option like mine old HPWC has. If it does not, then the other suggestions above sound good...

Fakedevil:. Im sure it's too late now, but what size incoming service wires do you have to your electrical panel?

Of course I do not have a problem with a 20 amp device that draws 16 continuous amps on a dedicated 20 amp circuit. The problem is that no one knows where these dedicated circuits are. Even in your own house, unless you are electrically savvy. Most HO aren't. And you are correct, random 20A...

Oh boy. Here we go. Clickbait video showing how easy it is to charge faster by simply buying a 20 amp adapter. No one knows what size wiring is buried in the wall, nor how many other outlets (or light fixtures if an older house) are on the same circuit. Yes, no one knows how much other...

Don't be silly; of course it is fine stranded wire. Anything above Class B is considered fine stranded wire. Probably Class K wiring in that appliance cord.

The rust and corrosion is a problem, probably indicates water intrusion. The bigger problem I see in the pictures is the electricians tape wrapped around the hot conductor. Clearly, the insulation was compromised. Replace the surface box, pull new wires, and charge with confidence. Edit: the...

The lugs on the wall connector are not rated for fine stranded wire. Terminations can heat up and go into thermal runaway.

Wrong. But he is not using MC anymore, so the point is moot.

Should be fine. Keep it concealed in wall or attic. Read up on NEC Art. 330 first, and be sure to use proper termination devices when cutting and terminating the MC cable at boxes and fittings. Search red hats + MC cable.

It is correct. what do you see is wrong?

THHN needs to be run in a raceway. Grounding conductor can be #10 if you plan to use one.

WRONG-O. Heat will build and build and build, and will start a fire at the exact moment you are in your deepest sleep.

The neutral is not floating. It is the grounded conductor. That is why you want to switch the HOT. :) I know you already knew this because in a sense, it actually is floating by not being connected on both ends!

Please clarify that you are wiring this as "either-or" load and not just an on-off switch for your dryer. You want this to be a single 240V circuit with the switch selecting one of the loads, not both simultaneously, correct? EDIT: this switch may not allow source selection. You should try...

If you are going to keep experimenting, buy a fire extinguisher and please do not charge overnight.

Should be easier, albeit a bit longer, once the Alturas, CA supercharger opens up.

Has anyone actually determined that you gain net time from wasting battery to warm it up prior to supercharging? Edit: Ignore my post. This is about SC speed only, not overall travel speed.

Call the Fire Department.

You need to find out first what size feeder feeds the garage panel. After that is known we can figure out more for you. 125A service is small, but if all your heating loads are nat gas or propane, you might be able to squeeze enough for an EV charging station.

I would abandon the existing wiring and start over. #6 AL wiring is good for 32 amps and needs PROPER termination techniques to not be a thermal problem for EV charging. AL is the worst application for a load that runs full-out for many hours, then cools down for several hours. The expansion...

I cant post

I would really try to avoid using any extension cord, regardless of what the manufacturer says. They are trying to sell extension cords, so, of course they will try to convince you. Extension cords are for temporary use--not a substitute for permanent wiring. Also, they are expensive in the...

I recently purchased an Aventon Sinch folding e-bike, and wanted to let y'all know that it fits perfectly in the trunk/lower hold of my 2017 MS. Obviously the lower hold lid needs to be removed, but the parcel lid completely closes as does the rear hatch. The only think you need to do is...

HPWC lugs are not rated for fine stranded wire. Google "fine stranded wire".

Yes, the Neutral wire is correctly identified as the grounded conductor.

NEC 250.122(B) says that you must increase the EGC size if you increase the phase conductors due to anything but temperature correction or more than 3 current carrying conductors (which don;t apply to this installation)

I'm probably going to the snarky penalty box again for this comment, but it seems you want to install this yourself without much knowledge, and you think that a flexible conduit with some wire in it is the easiest way to go. Trying to pull conductors through LFNC will be very difficult. Why...

Your ground wire is actually called the "equipment grounding conductor", and Table NEC 250-122 dictates the size based on the upstream breaker. If you upsize the branch circuit for voltage drop, you also need to upsize the EGC. If you are using metal conduit, you don't need an EGC, but it is...

We need to know wire size before making any more recommendations. From the information we have right now, you have a 20 amp, 240 volt circuit. This can be converted to a 6-20 receptacle but you'll need a 6-20 adapter from Tesla. If your wiring is #10 AND your distance from the panel is not...

Since the panel is nowhere near the receptacle, my 50 amp suggestion is probably not feasible, nor is one that requires a neutral + ground. Rocky is correct that a 6-30 outlet would work great and is the best idea, but you'd have to go to a 3rd party for that adapter. Can you please check...

10-30's are obsolete and have no ground wire and are not allowed for new construction. Maybe have your electrician wire you a 14-30, or if you have the capacity, a 6-50 or a 14-50 instead. That would be best in the long run. Remember to demolish the old 10-30 receptacle.

I have a road bike with 700c tires, and it fits easily when the back seats are folded forward. Yamaha Crosscore e-bike. 2017 MS.

Wrong. Conductor and breaker must be 125% of continuous EVSE load. 50A breaker max. 625.41

Do you know what size and what type of terminations were made by the manufacturer inside the unit? Do you still have a warranty? Do you care if you negate the listing of the EVSE? I'd leave it as the manufacturer designed and constructed it. Contact them and tell them that the cable is too...

I brought my S to the service center for a door handle fix, and asked them to recreate the problem. They had it overnight and we tried to recreate the problem in the morning, and of course, it fired right up to max amps (72). Have not had a problem since. Magic, coincident, or the threat of a...

Add up all the rate numbers and that's your rate.

@nateads: Normally, I would be the one raising red flags, but I do not think you have a problem. You are doing the absolutely right thing by monitoring heat on your cables and home wiring. Juicebox has decided to go with 105C insulation wiring on their plug cord, so it is designed to run...

Tap and hold your finger over the "time" on the MCU. Wait for it and it should change to the correct hours.

OK, I'll bite. Why did you use a #6 ground wire? Maybe its a typo.

Also be aware that you cannot be on net-metering rate with this program, I.E. no PV solar.

So, your electrician apparently fished the NM-B in the undersized conduit. If so, it is not compliant even if you change the breakers out with 50A/2P breakers (which you need to do regardless). Did your electrician do a house loading measurement to see if you have capacity to charge 2 Teslas?

If an electrician installed your wiring, and if an inspector actually inspected it, then they both need to be fired. The LFMC installation in a garage is dubious and could be a Code violation because it is subject to physical damage, but more troubling is what we can't see. If your electrician...

Yup. Your probably right. The resistive coils are fixed, and you can't increase voltage to them, so the only way to use 50kw bursts of energy would be to add more coils in the airflow. Notgonnahappen.

I would like to add to the "winter driving request list" if I may: How about directing the loss of regeneration energy into the cabin heater (Model S only) so you feel an instant boost of heat when decelerating in cold weather. Since the regeneration into a cold battery is practically nil...

@Zuikkis: Please explain the resolution of your graph. I think we experience the same problem, but my graph is in 1 minute segments of resolution (post #50), but your graph looks like it is in 1 hour duration segments.

Ok, so you asked if it was ok to block a charger all night and most responses said it was bad form, but you are going to do it anyway. Remember this when you need a charge on the road.

Several generations ago, 277V L-G was supported by HPWC, but not anymore.

I can't sign up for it because I have solar. No reason given why I would not be able to sign up just because I have a PV system. The two are mutually exclusive. Morons.

You all are loosing your minds.