National Electrical Code Articles and Information

1. [250.3] Table 250.3.
    

2. [250.4(A)1)] Earth.
    

3. [250.4(A)1) FPN] The routing of bonding and grounding conductors so they are no longer than necessary to complete the connection without disturbing the permanent parts of the installation and so unnecessary bends are avoided.
    

4. [250.4(A)(2)] To limit the voltage to ground.
    

5. [250.4(A)(3)] To establish an effective ground fault current path.