… circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other …
Explanatory notes
… circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other … to the number of switch circuits incorporated. This group also includes change‑over switches and relays. (A) … here include electronic AC switches consisting of optically coupled input and output circuits (insulated thyristor AC …