Innovative Electrodes automatically wrap stick during loading. Guarded Current Metering allows AC Testing by Leakage Current. Up to 100,000V AC or 100,000V DC per foot. Allows Testing to IEEE 978 and OSHA Regulations The TVM Series is The VON Corporation's fully automated live line tools (hot stick) test solution. Units allow testing of all standard live live tools to meet IEEE 978 and current OSHA regulations.