Level 2 chargers are more reliable and field tested.
Again Not True
The truth: There is nothing more field tested and reliable than a 120V outlet. Having said that, It is quite obvious that more power (240V 30A) going through a device will naturally result in more wear and tear; This is precisely why Level 2 chargers come with hefty maintenance fees which usually get presented to you near the end (after you have fallen for the sunk cost fallacy).
Besides, since level 2 chargers (J1772 CP) by design have a data line going to your vehicles, they are prone to being hacked. Southwest Research institute managed to hack a Level 2 charger by using simple hardware.
Bottom Line: Opt-in for a safe, secure & reliable 120V outlet before Level 2 companies start upselling you charger antivirus software.
The plugs in parkades are not meant for continuous use by EVs.
The truth: Every 120V mobile EV charger that get delivered with your electric vehicle is rated & tested to be safely used on any outlet otherwise they would never receive the required certification to be sold. So there is no risk involved in using them in your parkade.
It's an obvious fact that if you turn on a hair dryer and a toaster on the same outlet, the worst that could happen is that the breaker will trip; electric vehicles are no different. The solution is simple and extremely inexpensive, you can, with the help of a certified electrician, either
1- Block the other outlets that are on the same circuit
2- Plug your EV to a different outlet that is not shared
3- **Run a dedicated 120V line to your parking stall**
Bottom Line: Thousands of people who charge their EVs using an outlet can confirm its safety; Don't fall for the well known scare tactics sales people often use to sell their own overpriced product.