![]() ![]() All items in your coach will work fine altho you will only have 30 amps available on each side instead of 50 amps. IN other words 240 volts across the two inputs. In your main electrical panel in your coach, at the top of your 50 amp main circuit breaker, you will have 120 volts on each input that will be out of phase with each other. The 30 amp hot leads will be split to the two hot sides of the 50 amp plug and this will be fed to your main electrical panel. On the stick house side of the dryer outlet, both the ground and the neutral are bonded together so when the Tesla adapter is plugged in you will still have a ground and a neutral that are connected together. It should work just fine using the Tesla adapter altho you will not have a full 50 amp capacity on each leg. I'm looking to see if anyone has experience with these adapters & what lessons learned are? Here is a video to share how me and my friend Jon have been able to charge his model X Tesla while we are out in the country. With that, there's also been a lots of 10-30P to 14-50R adapters showing up on the market (a 30A 240V pre-1996 clothes dryer to 50A RV adapter). JuiceBox 40 700. It's been a while since I last asked a question on this forum & I did try to see if the topic had been covered through lots of searches, but nothing turned up.Īs electric cars gain in popularity, I've noticed that Tesla & others use the traditional NEMA 14-50R socket (we usual see as our 50A service) for their charge stations. I think there under some circumstances the safety ground is permitted to be undersized as it is not normally a current carrying conductor. It is used for things like large air conditioners and 240V power tools. The dryer outlet should also not be confused with a NEMA 6-30 (which looks quite different, with two horizontal blades lined up with each other and a U-shaped ground pin) which is a "pure" 240V plus safety ground connection that has no neutral. You'd also have the usual wild voltages due to imbalances that you typically get with a broken neutral on a 120/240V circuit, so it would be a bad day all around. Should the neutral line fail, the chassis of the RV (or dryer) would not grounded and would float to potentially dangerous voltages depending on the relative loading of the two legs. Connect the JuiceBox: Plug-In Version: Plug the JuiceBox into the NEMA 14-50 outlet or NEMA 6-50 outlet. It would function fine, though of course the current on either leg would be limited to 30A by the 30A circuit feeding the dryer outlet. 2 pole breaker: Recommend Wiring 8 or 10AWG at 75☌ or 90☌ respectively or larger gauge copper wires for the conductors per NEC ARTICLE 310 Table 310.16. The adapter for an RV (or whatever) would simply bridge the neutral connection to both the neutral and ground positions on the 50A connection (a NEMA 14-50). Both of these are not permitted in new construction, but are not at all uncommon in existing houses.including DrewE's house. The 10-50 connection is an old standard for electric ranges that similarly has a neutral but no separate safety ground. ![]() The neutral wire for it should be full-sized, the same as the two hot wires. The one on the right is the old standard dryer outlet (NEMA 10-30) where the neutral serves as the chassis ground. The one on the left is a standard 30A RV outlet (NEMA TT-30), used exclusively for RVs. Learn something new every day ! Well, in this case, something OLD ! I never knew there were 2 different versions ! Both of those plugs/outlets are "deprecated" and have not been used in new construction in several years. But at 7.7 kW it will certainly charge your car faster than the old TurboCord.Here is a neat photo marked up to shows the comparison. It is bulkier that the old TurboCord so you probably can't store as much other stuff in the frunk with it. I believe this is the same charger that some OEMs (Ford?) include with their vehicles. The company that manufactured the TurboCord now makes a higher current UL rated EVSE called the "Webasto Go" with a 14-50 plug but a relatively slow 7.7 kW rating. The small size of the EVSE allows me to also have a Li Ion jumper kit, a set of tire snow socks and windshield washing supplies also in the frunk. ![]() I have mine in a bag with adapters for the various 120v and 240v outlets I might come across. It will charge my car to the tune of 4%/hr to 5%/hr which is fast enough for me when traveling. But it is very compact and since it only needs to deal with 16 amp continuous the cord is thin and packs well. ![]() Slow by modern standards as the 240v uses a 6-20p and is limited to 16 amps (3.8 kW). It is a UL rated weatherproof dual voltage EVSE that was also the OEM charger on some cars like, I believe, the BMW. A year ago the TurboCord was still in production. ![]()
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