We at Selco USA, Inc provide low and high resistance grounding solutions to detect and locate ground faults. Our product lines, originating in Europe in 1961, and are now shipped to more than 85 nations each year. We have a range of several protective equipment, which generally used in the marine industry. You can browse our website for more info. Visit at- https://selcousa.com/product-category/ground-fault-monitor-and-detector/