Basic Home Wiring Symbols

Basic Home Wiring Symbols - GOALS:-- Discuss symbols used in the drawing of schematic diagrams. -- Determine the differences among switches that are drawn normally open, normally closed, normally open held closed, and normally closed held open.. Before we get into the mods, I'll show schematics for standard wiring in 3-pickup single coil guitars and dual-humbucker guitars. I'll also explain some of the basic switches and how I've drawn them..