ADD330N is designed to identify and trace wires or cables without damaging the insulation, you just simply attach the sender unit to the circuit and follow the wires using the detector. There are a sender and receiver included in the instructment.
ADD330N Circuits Tracer Feature:
1. Suitable for all DC circuits up to 42V.
2. Checking for short circuit.
3. Locating open circuit.
4. Battery voltage indication.
5. Two 9V batteries required.
ADD330N Circuits Tracer Display:
Package including:
1pc x ADD330N Circuits Tracer Detector
1pc x Circuit tracer sender