Receptacle tester detects wiring configurations and indicates correct wiring, and identifies usual wiring faults.
Designed to safely and accurately troubleshoot a variety of automotive and household electrical problems.
100% Brand new and high quality
Perfect for installing, debuging, maintaining telephone line and other wires or cables.
Detect continuity of the cables or wires without damaging the insulation
Track the cables or wires, and diagnose the break point.
Receiver the tone signal on the cables or wires (telephone line).
Identify the state in the working telephone line (clear, ring