Wiring an Electrical Circuit Breaker Panel: An Overview This article will provide an overview of how a professional electrician connects a residential electrical circuit breaker panel to the main service wires coming into the home, and to the individual branch circuits in your home. WARNING: This is not a DIY project for most homeowners. This is very dangerous work if you are not an expert, and in most communities, building codes may not evenAuthor: Timothy Thiele How to Run a Ground Wire to an Electrical Panel Box | Hunker The tripped breaker shuts off the circuit's current, preventing a potentially dangerous situation. Installing a ground wire to your electrical service panel can be done easily with a few hand tools. The codes of some localities differ from NEC (National Electric Code) standards. Be sure to check local codes before performing any wiring job.