Home Improvement" /> Extension probe attaches to Amprobe TIC 300 Pro AC voltage detector to test for high AC voltages without touching or disconnecting the circuit Can detect AC voltages between 1,500V and 122,000V For utility, industrial, and mining applications when working with high-voltage equipment such as transmission lines, downed power lines, fuses, and load-break connectors Extends to 57" long Conforms to applicable European Conformity (CE) directives and N10140 Australian standards