Sub Panels Explained - Why are neutral and ground separated?

The video tutorial explains the need for subpanels and grounding electrodes in electrical systems. It covers how electricity is generated, distributed, and connected to residential properties. The tutorial details the components and functions of main panels, subpanels, and circuit breakers, emphasizing the importance of proper grounding and bonding to ensure safety and compliance with regulations. It also discusses scenarios involving ground faults and the role of GFCI in preventing electrical hazards.

What is the role of the neutral bus bar in an electrical panel?

Explain the difference between a main panel and a sub panel.

What happens to the current flow during a ground fault condition?

How does bonding the neutral and ground at the main disconnect help in fault conditions?