2 & 3 Pair Telephone Cables



Two Pair Cables
Circuit Ring Tip
Circuit 1 Red Green
Circuit 2 Yellow Black



Three Pair Cables
Circuit Ring Tip
Type 1
Circuit 1 Red Green
Circuit 2 Yellow Black
Circuit 3 Blue White
Type 2
Circuit 1 Red Green
Circuit 2 Yellow Black
Circuit 3 Blue/White band White/Blue band
Type 3
Circuit 1 Blue White/Blue band
Circuit 2 Orange White/Orange band
Circuit 3 Green White/Green band
Type 4
Circuit 1 Blue/White band White/Blue band
Circuit 2 Orange/White band White/Orange band
Circuit 3 Green/White band White/Green band



One way to remember the Ring terminal is with the 4 R's:
"RED, RIGHT, ROUGH, RING"