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I would for your particular use.Sounds like 10/3 is a better way to go since I need to use it for another ~5-6 months.
Did you notice any voltage (range per hr) drop when using 12/3?I used this to charge our M3 on a 120v for a year w/o issues: 15' 12/3 HD Outdoor. They make longer...
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Nope. 5mi/hr was consistant.Did you notice any voltage (range per hr) drop when using 12/3?
Are you planning to charge at 8 amps or 12 amps? Either the 10 gauge or the 12 gauge would work. I would be more concerned with the wall receptacle/extension cord interconnection overheating or the interconnect with the extension cord and the Mobile Connector power plug. They sell waterproof housings for connecting extension cords. The Mobile Connector is not rated NEMA Level 3 or 4, i.e. it is not water resistant. You definitely want to keep the Mobile Connector off of the ground and protect it from the weather.I would need an extension cord to charge my MY for a few months. what is the best gauge recommended for a 50' feet extension cord? 12/3 or 10/3? Both are rated for 15amps.
I have a gfti outdoor outlet, hoping this should help. Good to know to protect mobile charger/extension cord interconnect. I will avoid using during rain/snowy days but will get something to cover.Are you planning to charge at 8 amps or 12 amps? Either the 10 gauge or the 12 gauge would work. I would be more concerned with the wall receptacle/extension cord interconnection overheating or the interconnect with the extension cord and the Mobile Connector power plug. They sell waterproof housings for connecting extension cords. The Mobile Connector is not rated NEMA Level 3 or 4, i.e. it is not water resistant. You definitely want to keep the Mobile Connector off of the ground and protect it from the weather.
I would prefer to have 12 amps that can get me 5mi/hr.Are you planning to charge at 8 amps or 12 amps? Either the 10 gauge or the 12 gauge would work. I would be more concerned with the wall receptacle/extension cord interconnection overheating or the interconnect with the extension cord and the Mobile Connector power plug. They sell waterproof housings for connecting extension cords. The Mobile Connector is not rated NEMA Level 3 or 4, i.e. it is not water resistant. You definitely want to keep the Mobile Connector off of the ground and protect it from the weather.
Have you tried to charge at 120V/12 amps? Perhaps you can gain 5 miles per hour of charging at 12 amps if your driving efficiency is very good. For the rest of us 3 miles per hour at 8 amps and 4 miles per hour at 12 amps is realistic.I would prefer to have 12 amps that can get me 5mi/hr.
I got 5mi/hr on the screen of my M3 via a 120v outlet plugged into a 12/3 extension cord plugged into the UMC for a year, without issue.Have you tried to charge at 120V/12 amps? Perhaps you can gain 5 miles per hour of charging at 12 amps if your driving efficiency is very good. For the rest of us 3 miles per hour at 8 amps and 4 miles per hour at 12 amps is realistic.
That is a really good number. The Model 3 has higher efficiency than the Model Y. I expect 4 miles per hour of charging at 120V/12A for the Model Y.I got 5mi/hr on the screen of my M3 via a 120v outlet plugged into a 12/3 extension cord plugged into the UMC for a year, without issue.
Re-reading what Wshowell posted earlier "I use a 75 foot 10/3 to charge one of our cars and a 100 foot 10/3 to charge the other. I upgraded the outlet to a Hospital Grade one and the other one (separate circuit) to a twist lock 110 20 amp hospital grade outlet. So far so good and I can charge our Y at 5 MPH and our S at 4 MPH" there are 2 separate 120V circuits in use. The 15 amp circuit is capable of a maximum of 120V/12A for 1.44kW; this is used to charge the Model S and gain ~4 miles per hour of charging. The second circuit is rated for 20 amps and is capable of a maximum 120V/16A for 1.92kW. Using the 20 amp circuit the Model Y is able to gain ~5 miles per hour of charging. At 120V charging efficiency is ~80 to 85% versus ~90% efficiency at 240V.To be safe, I am going with 50' 10/3 extension cord. Since the winter is starting, I would appreciate that extra 1mi/hr.
This sounds like a good option to amplify power. However, I live in an apartment now and don't have luxury to mess around with the circuit panel and outlets. This is something, I can do it myself being if it was my own house. Will be moving soon so it is a temporary inconvenience.Re-reading what Wshowell posted earlier "I use a 75 foot 10/3 to charge one of our cars and a 100 foot 10/3 to charge the other. I upgraded the outlet to a Hospital Grade one and the other one (separate circuit) to a twist lock 110 20 amp hospital grade outlet. So far so good and I can charge our Y at 5 MPH and our S at 4 MPH" there are 2 separate 120V circuits in use. The 15 amp circuit is capable of a maximum of 120V/12A for 1.44kW; this is used to charge the Model S and gain ~4 miles per hour of charging. The second circuit is rated for 20 amps and is capable of a maximum 120V/16A for 1.92kW. Using the 20 amp circuit the Model Y is able to gain ~5 miles per hour of charging. At 120V charging efficiency is ~80 to 85% versus ~90% efficiency at 240V.
On a standard 120V/15A circuit you can only safely charge at the higher (80% of the circuit rating) 12 amp rate if there is nothing else connected, powered by the same circuit. On a 120V/20A circuit the maximum (80% of the circuit rating) is 16 amps.
One way to double the power, double the charging rate and improve charging efficiency is to have an electrician re-purpose, rewire an existing 120V circuit to be 240V circuit. This can only be done if there is just the one outlet/receptacle on the circuit.