I would figure out the convention first, and skip the masking tape.
My codes are super basic, and generally don't need a legend. Most of my cables start somewhere, and land in the mechanical room. Each has a purpose, and the label includes this. So, location, and purpose. If no purpose - then just location, and cable type. If multiple, then add #2
In the FR, if cable starts and ends in the room, it's heading from the rack to the TV. Labels - 'TV LAN', 'TV Cat #1
', 'TV Cat #2
'. Speaker cables in the FR - 'L', 'C', 'R', etc.
Distributed audio keypad category cables are labelled Audio KP + zone name (abbreviated). I usually ran 2 cat cables for each, so added #1
Zone speakers labelled by zone.
RG6 labelled by room, with/without #1
SW is subwoofer. FR AP is family room access point.
For security, you would get more complicated. Room name, plus wall (north/south/east/west), plus window number if multiple.
I don't know of a standard convention. Long names are expensive (Dymo labels are a ripoff, but they are what I've used (nylon)). I prefer a 'flag' wrap of the label on the cable, since all my cables are hidden, and they are very secure, and relatively easy to read. In a rack, if you care about appearance, go with the heat shrink labels.
Not sure if you found this cocoontech discussion - http://cocoontech.com/forums/topic/1...eling-systems/