Cable Colors and Purpose

Legal and compliance questions aside, from pure technical perspective, the answer to your question is - it depends. Out of my own practice: even cheap UTP network cables, even twisted around 230V power cables for many meters in household environments, somehow seem to work fine and still have good bandwidth with no interruptions with all the washing machines and kettles running. Also from my experience, UTP wiring around fluorescent lightning in hanging ceilings has some effect to max speeds which FTP cable fully sorts out.

The theory is - the more current you run through 3-phase cable the more field you create around it which is interference for normal communication. Especially if loads are inductive. But Cat. 7 is very robust cable, so based on my observations, you'd probably be fine. But still, consider your local laws and regulations for cable installations.

My guess would be

• green = green
• light green = white/green
• blue = blue
• light blue = white/blue
• red = orange
• pink = white/orange
• brown = brown
• beige = white/brown

You can often check the colors by looking carefully at the plug where the wires go to the pins. This will also let you check if the plug was wired to 568A or 568B so you don't inadvertantly make a crossover cable.

However I would advise against doing what you propose to do. Patchcords are made of stranded cable and wallport/patchpanel sockets are designed for solid cable. Using the wrong type of cable for the connector leads to unreliable connections. If you must have a plug on one end and a socket on the other I would suggest making up the whole assembly yourself using solid core cable and make sure that the plug is designed for solid core cable. You can get plugs for both types, again using the wrong type of plug will lead to unreliable terminations. If the vendor won't say what type of cable the plug is for don't buy.