… Electrical apparatus for switching or protecting electrical circuits, … to or in electrical circuits (for example, switches, fuses, lightning arresters, voltage limiters, surge …
Explanatory notes
… ‑ Other This heading covers electrical apparatus generally used in power distribution systems. The provisions of … switches specialised for high tension circuits. They are usually of a complex and robust construction having special … in the same manner as discharge lamps, but not being usable for lighting purposes, they cannot be considered as …