Amprobe AT-2004 Advanced Wire Tracer Wire tracer locates and traces energized and non-energized wires, breakers, neutrals, and grounds to identify shorts, ground faults, and broken wires R-2000 receiver can read transmitter signals on energized or non-energized systems T-2200 transmitter traces wire continuity and wire grounds on non-energized systems and S-2600 transmitter compatible with 9 to 600V AC or DC Clamp-on transmitter attachment injects signal for non-contact operation Receiver can trace energized wires buried or hidden behind walls up to 13 feet deep Traces energized wires without power interruption: 9-600V (S2600 Transmitter) Locates breakers without power interruption: 9-600V (S2600 Transmitter) Traces unenergized wires (wire continuity and wire grounded at the end): S2600 Transmitter and 9V batteries Pinpoints shorts and ground faults: S2600 Transmitter and 9V batteries Traces unenergized open wires (broken or disconnected wire): T2200 Transmitter