What Is a Wire Map Tester?
A wire map tester is a device that transmits signals through each wire in a copper twisted-pair cable to determine if it is connected to the correct pin at the other end. Wire mapping is the most basic test for twisted-pair cables because the eight separate wire connections involved in each cable run are a common source of installation errors. These testers detect transposed wires, opens (broken or unconnected wires), and shorts (wires or pins improperly connected to each other) Read More