Articles about ground and neutral
Should I add a sub panel to get more electrical circuits? Installing a New Panel for More Electrical Circuits, Why Sub Panels Require a 3-Wire Cable with a Ground Wire, 4- Wire Panels with Neutral and Ground Isolation.
Bob in Virginia asks: How do I Plan for a Sub Panel Installation? Planning the right amperage and cabling for a sub-panel used in a basement, garage and other locations.