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I already have Tesla Wall Charger but wanted to add ability for visitors to plug in an RV. Wondering what outlet if any could charge an RV and also charge various EVs?
"TT-30 for trailers"
What do you mean "trailers" and what is TT-30?
No. A 50 amp rv recpticle is 2 110v circuits technically. Class A RV have the systems split in half. Front ac is on one circuit, rear ac is on other half. There are 2 different 110v breakers inside. A friend of mine plugged their RV in a regular 14.50 and burnt up the entire electrical on RV. Be very careful how you wire them. I have a 50 amp classA and 30 amp class C plugs on one side of house. A 50 amp 14.50 on other side for Tesla.
Download the diagrams before you wire them.
Just looked and on this pedistal all I have is 4 breaker slots on a 200 AMP meter. So I have 200 AMPS but only 4 slots. 2 slots are being used by Tesla (100 AMP) and a GFCI is using a 20 AMP. So only one slot open. I guess not possible to use a single pole 50 AMP for the RV 14-50? View attachment 294296
You should be able to change out to a quad breaker. 50 amp 240 and 2 20 amp (Just looked and on this pedistal all I have is 4 breaker slots on a 200 AMP meter. So I have 200 AMPS but only 4 slots. 2 slots are being used by Tesla (100 AMP) and a GFCI is using a 20 AMP. So only one slot open. I guess not possible to use a single pole 50 AMP for the RV 14-50? View attachment 294296
@TEG are you saying I can use smaller breakers or just be mindful during use and draw less?
I set my car at 24 amps when using TT-30 and it worked fine. If the outlet can't handle that current it isn't wired correctly — always a possibility, I suppose. Still rather slow charging at 2.9 kW, however.TT-30 is an unusual older standard. 30A at 120V, the odd three pronged angled plug in the second post. The TT stood for travel trailer I believe - it was mostly used for camping trailers AFAIK. You can charge a Tesla with one at up to about 20A, but it's still pretty slow.
I set my car at 24 amps when using TT-30 and it worked fine. If the outlet can't handle that current it isn't wired correctly — always a possibility, I suppose. Still rather slow charging at 2.9 kW, however.
I do use a lower current — 30 amps — when using 14-50 outlets but that's to lower the heat and wear on my UMC and speed usually isn't a concern when charging overnight at 240 V. That's what I use at home, as well as at campgrounds with "50 amp" service.
Charging on TT-30 at Zion National Park:
View attachment 294418
View attachment 294419