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Minimum wire size for Tesla wall charger Gen 3. I just got a defect for this. I installed 8 gauge copper for a tesla gen 3 charger and set it to a 40 amp breaker over its wifi for a 32 amp charge rate. Inspector says it has to be 6 guage because it can be increased to 48 amps using a cell phone.
90 posts · Joined 2014. #28 · Jul 28, 2014. 8-3 MC works fine for 50A as long as your breaker and load connections are rated at 75C. The problem with using #8 on a 50A breaker in residential is the 60C limitation of romex due to 334.80 as some previous posters have noted. That would limit #8 romex to a 40A breaker.
For example, the load on an 8 AWG THHN, 90°C copper wire is limited to 40 amperes where connected to a disconnect switch with terminals rated at 60°C. This same 8 AWG THHN, 90°C wire is limited to 50 amperes where connected to a fusible switch with terminals rated at 75°C. The conductor ampacities were selected from Table 310.16.
Hi all, I purchased a Comfort Zone CZ230ER 7500 Watt garage heater. The instructions say that the 7500W on a 240v circuit will require an 8 gauge wire and should be rated to 75 degrees Celsius. I want to use wire that can be run though the wall and together. I have found NM-B 8/2 wire ( 2 hot and 1 ground) rated at 60 degrees Celsius but I can ...
5085 posts · Joined 2020. #2 · Feb 24, 2021. 8-3 solid would be a bear to pull. Phelps Dodge was a copper producer in Arizona for a long time. ( Now Freeport McMoran). I remember 10-3 solid. The only solid I use is for grounding. “I don't care that they stole my idea . . I care that they don't have any of their own”.
Recently had an electrician install an inlet box and interlock for a portable generator. the generator in question is rated for 12,500 Peak/9,500 Running watts and has a receptacle for a 50 amp plug. After install was done, I noticed that the inlet box was only rated for 30 amps and the wiring from the inlet box to the breaker was 8-3awg with a ...
529 posts · Joined 2014. #23 · Aug 15, 2017. Only long distance job I have done was an airport runway. Stepped up voltage to 5kv then at each light was a 5kv to 120v xfmr (in a handhole next to each light) that was the size of a 400 watt ballast.
When I have to do small wires, like S cells on scales, I use 3M UR connectors. if you are using small wires you are probably using low voltage dc. Then the problem may be less about the crimp and more about corrosion. Add a little moisture to a ac connection and it will turn black.
Rockyd. 1411 posts · Joined 2007. #3 · Feb 15, 2011. Can't imagine NOT using stranded wire. It's capable of carrying more amps (more surface area), less likely to get damaged in a pull, easier to handle, and weighs less than solid wire. Ask where in the NEC that it says solid is better than stranded, not going to happen.
Here's a chart of NM and UF cable diameters that has been used by a lot of people to determine conduit fill when pulling NM or UF in raceway: 14-2 NMB .1018. 12-2 NMB .1320. 10-2 NMB .1917. 8-2 NMB .2942. 6-2 NMB .3664.