Insulation coordination for equipment within low-voltage systems. Use of coatings to achieve insulation coordination of printed board assemblies|Electrical insulation, Electrical insulating materials, Dimensions, Coordination, Low-voltage equipment, Electrical equipment, Coatings, Printed-circuit boards, Grades (quality), Assembling, Electrical conductivity, Clearance distances, Clearances, Leakage paths, Performance, Quality control, Sampling methods, Pollution, Design, Stress, Voltage, Electric conductors, Visual inspection (testing), Environmental testing, Temperature