… protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, … surge suppressors, plugs, sockets, lamp-holders and other connectors, junction boxes), for a voltage not exceeding …
Explanatory notes
… protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, … snap-action switches for a current not exceeding 11 amps (toggle switch). Electronic switches which operate by … apparatus, for the control or protection of machine‑tools, etc. The various types can be distinguished …