It is the same you will find on the official reprap wiki. As stated earlier the lines at a ramps 14 wiring diagram represents wires.

Ramps 1 4 3d Printer Controller Board Review The Specs All3dp
Ramps 1 4 wiring diagram. It consists of guidelines and diagrams for different varieties of wiring strategies as well as other products like lights home windows and so on. This schematic give you more data on all the pin out and also on the optional headers. There will be primary lines that are represented by l1 l2 l3 and so on. Occasionally the wires will cross. Ramps 1 4 wiring diagram manual e books ramps 14 wiring diagram wiring diagram contains many in depth illustrations that show the link of assorted things. Everything depends on circuit that is being built.
But there are some difference one lies in the configuration of io pinsramps 1 4 fan wiring diagram for information purpose here is the official schematic of the ramps board. Ramps 14 archives 3d modular systems ramps 14 wiring diagram wiring diagram consists of several detailed illustrations that display the relationship of varied things. As stated previous the traces in a ramps 14 wiring diagram signifies wires. Injunction of two wires is usually indicated by black dot at the intersection of 2 lines. Wiring 3d printer ramps 14. Ive had some requests about how to wire a 3d printer and more specifically how i wired my laminated prusa i3 printerin this instructable i will walk through all the components and steps required to setup a 3d printer using the most commonly use.
However it doesnt imply link between the cables. Injunction of 2 wires is generally indicated by black dot to the intersection of two lines. It includes guidelines and diagrams for different varieties of wiring methods as well as other products like lights home windows etc. Occasionally the cables will cross. But it does not imply link between the cables.