So you want to buy a charge station that plugs into the wall. Get one whose instructions permit removing the cord and hard-wiring it, and change the plug on it from 14-50 to 6-50. One you cut into the cord you will see that there is no neutral even in the cord. EVSEs do not use neutral, they only use 14-50 because of legacy reasons (the first travel units came with 14-50s to charge at RV parks, people got these home, and thought “I can install an RV socket and use the travel unit for home charging, and not have to install a wall unit!”) Then madness took over.

Wow, there’s nothing as worthless as a free charging station. Utilities are always pushing the crap tier stations most likely to force you into a service upgrade lol.

What you need is two Tesla Wall Connectors configured for Power Sharing. The second one can be a Tesla Universal Wall Connector which includes the J1772 adapter.

Power Sharing makes them dynamically allocate the 40A or whatever power you have there, so that both cars get half until one is done, then the only car charging gets all of it.

Your splitter is only going to burst into flames when both cars charge at once. “I would never allow that!” You aren’t perfect and you also aren’t the other person and you can’t control them.

There are several other stations which can Power Share but they’re not often on utility lists.

Take out the plug and hardwire something in. Your electrician can do that.