… Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of …
Explanatory notes
… 85.31 ‑ Electric sound or visual signalling apparatus (for example, … railways, etc. ( heading 85.30 ), this heading covers all electrical apparatus used for signalling purposes, whether … (e.g., burglar alarms). Static signs, even if lit electrically (e.g., lamps, lanterns, illuminated panels, …