11/04/2021
This is a main service panel that wasn't bonded. What that means is that the entire metal housing of the electric panel could potentially become energized by any one of the numerous ungrounded conducters that are located inside the box. Potentially causing a serious shock or even worse, a fatal electrocution to someone that happens to lean on or touch the panel box if it became energized.
I can't tell you how many times I've seen this over the years. There are many dangers with electricity and worst of all you can't see those dangers because it's invisible. Please call an electrician to install your electrical. They know or should know the best way to install an electrical system to where everyone will be safe and can sleep well at night knowing everything is sound and secure.