3-way Switch Wiring - Electrical 101 3-Way Switch Wiring Diagram Line to Light FixtureLine voltage enters the light fixture outlet box. No longer allowed after 2011 NEC (if no neutral wire in switch boxes) 3-Way Switch Wiring Diagram Light Fixture Between SwitchesLine voltage enters the first 3-way switch outlet box, light fixture is located between switch boxes longer allowed after 2011 NEC (if no neutral wire in switch boxes) Schematics - Gibson Schematics . Listed below are schematic wiring diagrams for some of the more popular Gibson products, past and present. We will be continually updating this list at regular intervals. If you do not see the the schematic for the model you are intersted in, please leave us a message - chances are good we will have it. These diagrams are in GIF How to Install and Wire a Sub-Panel - Ask-The-Electrician More about Wiring a Sub Panel. Grounds and Neutrals in Electrical Panel; How to Wire Grounds and Neutrals in Sub Panels – all the neutrals and ground wire and terminal bars must be separated from each other, and your sub feed should be a 4-wire cable that has a separated insulated neutral wire and a separate ground wire. Electrical Code Explained : Electrical Online Electrical Code is a set of codes and standards intended to ensure the safe installation of electrical wiring and equipment. Learn why it is vital to follow all electrical code requirements when working on a home wiring project.