Originally Posted by sy_gilana
I would look up and learn "Ladder Diagram" to plan your new installation
It is much better than schematic.
Actually, they can, are and should be complimentary. Many find that ladders are great for circuits analysis, while schematics are great for building, tracing and troubleshooting. Ladders don't begin to indicate wire lengths and runs; it is not the intent of this type. Also, I have found two different kinds of schematics that folks use. One is a general schematic that shows the equipment
and connections, the other does the same but adds a general physical relationship. This makes it useful to answer the "Where does that wire actually go?" questions. More recently, Maine
Sail has promoted the idea of pasting pictures of the actual equipment
rather than just a box saying "VHF: as jhulmer & Ike showed.