High-voltage testing equipment identifies and measures conductors and other equipment powered by high levels of electrical current. High-voltage detectors indicate the presence of high voltage in transmission and power lines, fuses, and power distribution systems. Hot sticks are insulated poles that adjust to safely reach high-voltage conductors and other equipment with detectors and ammeters. High-voltage voltmeters have dual sticks that contact high-voltage equipment and electrical systems. High-voltage probe meters extend the measurement capability of standard probes to measure high-voltage power supplies and other test objects in industrial and commercial areas. High-voltage proof testers produce electrical currents for testing and calibrating voltage meters, indicators, and probes to confirm that they’re functioning properly before use. High-voltage ammeters measure electrical current on underground and overhead systems, transmission lines, and power distribution stations.