The durable Klein Tools Probe-PRO Tracing Probe have traces open-ended, non-energized wiring when used with Toner-Pro Tone Generator (VDV500-063, sold separately) work light for use in dark spaces with terminal block on probe to confirm the toned pair has been located and tool-less, twist-and-lock replacement tip (VDV999-068) available.
UPC 0-92644-69234-5