In a CAT3 cable, what color wire represents the tip of the first pair?

In a Category 3 (CAT3) cable, the wiring follows a specific standard for color coding, which is essential for ensuring proper signals are transmitted over the pairs of wires. The first pair in a CAT3 cable consists of solid colors and their respective striped counterparts, commonly used for telephone and low-speed data applications.

The wire that represents the tip of the first pair is typically the solid blue wire. This solid blue wire is paired with a white wire that has blue stripes. The tip and ring configuration is used in telephone applications, where the solid color usually denotes the tip (positive side), while the striped wire denotes the ring (negative side).

In CAT3, the color coding is standardized, so understanding which wire represents which function is crucial for installation and troubleshooting. Therefore, the solid blue wire is indeed the correct representation of the tip for the first pair.