Printed circuit assemblies

Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other connectors, junction boxes), for a voltage not exceeding 1,000 volts; connectors for optical fibres, optical fibre bundles or cables. > Lamp-holders, plugs and sockets: > Other: > Panel boards and distribution boards > Printed circuit assemblies