BS 6221-3:1991, IEC 60326-3:1991

Printed-circuit boards, Printed circuits, Printed wiring, Printed-circuit bases, Electronic equipment and components, Design, Electric conductors, Finishes, Dimensions, Angles (geometry), Holes, Position, Layout, Metal coatings, Coated materials, Electrical resistance, Electrical connections, Electrical insulation, Heat loss, Electric current, Voltage, Adhesive strength, Flammability, Packaging, Protective coatings, Thickness, Fire safety, Packaging materials, Electric contacts, Assembling, Patterns