Northern Platforms Ltd offers both OPW/Civacon & Scully ground verification monitors. Ground verification monitors visually confirms there is a ground connection between the railcar and the loading terminal, giving you peace of mind but more importanly, proving your loading operation is safe. Ground verification monitors are fitting with a green and red light. A green light confirms your loading operation is properly grounded where a red light indicates that a proper ground of your loading system is not present.