Basic electricity knowledge

Understand the lines coming into residential electric panel
Where to turn the main breaker off or how??
Be careful with the line coming in energizing
Understand the "electricity code" and best practice, dos and don'ts
Understand the safety and how to handle it properly
Understand NM wiring and Romex related history here.

Basic component

Details on a switch relay by JumperManTech.
Understand the transformers and coils used in  HVAC system. Unfortunately, he does not do a good job. He has the knowledge but he jumps around and does not treat the viewers as students.

Information on how to wire a 240V/50A onto the panel

How to remove a breaker from the residential electric panel. This guy also explains the danger of mis-handling.
There are people posting videos with least information, it could be misleading and we batter watch out. 
A pretty decent tutorial on adding a new breaker, I liked his video. This guy also has a video on install a sub-panel, he is really good at this type of work!

This video provides quite clear instruction on this. 
A simple version would be like this. 

This guy do this for EV.

This guy does the wall work much neater.

Okay, after doing all the research, I would like to work on this project and get a NEMA 14-50 outlet wired for my Tesla Model Y.

Need to purchase parts

	
NEMA 14-50 outlet, receptacle. According to this guy, I decide to buy a Hubbell 9450A for this project from Amazon. It is $147 now and I found a cheapter option from Kelly & Hanes. Here are some detail specifications of this outlet: HUBBBAE00255_A44

HUBKELE07290_1
	
A 50 amp breaker that matches my home electrical panel.

	
Wire. Romex 6/3 wire is suitable for this project, I need to measure the length. 
	
Conduit. If I can wire it inside the wall, it will not be necessary
	
Other small components
 

Videos pertain to Tesla in particular

Roy's model 3 delivered.
Here some basic about Tesla charging people need to know about.
This guy is a little too casual, lol
His friend wants to show some special knowledge, which is incorrect. 
Understand Tesla battery and charging better explained in this video. 

This is almost the same model, shows how to dissemble it.

I need this video to remove the drum so that I can access to the place to clean.

Today, my dryer does not heat. It reminds me to check out my previous post on the “same problem” of a different brand electrical dryer. There are three sensors around the heating element, and if anyone fails, the dryer will fail to heat up.

The first one is High-limit thermostat
The second one is Inlet Control Thermoitor
The third one is High limit safety thermostat