HD Electric Co.'s Proximity Voltage Detector
HD Electric Co.’s PRX-4 proximity voltage detector alerts users to potentially dangerous high voltage in work areas without making contact. It has two voltage range settings: 50V–4 kV and above. It detects voltages from around 3 in. at the 50V setting and 10 in. at 4 kV and above. It is water-resistant and includes a rechargeable battery, which charges in 15 minutes for a typical full day of use. A loud beeper and LED lights indicate voltage.