Articles about Bonding Ground Wires
How to Splice Electrical Wires and the Ground: For projects where you are extending the wiring of an existing circuit then the additional wire size must match that of the circuit you are branching from or splicing. Electrical junction box splices can be made safely when you understand the method.
Installing a Panel and Ground System for a Shop: Factors that Determine the Type of Bonded Grounding System, Detailed Questions and Answers about Installing a Shop Panel and Bonded Ground System.
The Purpose of the Neutral Wire in Electrical Systems: What is the purpose of the neutral wire and the difference between the ground wire and the white neutral wire.