… Electric sound or visual signalling apparatus (for example, bells, sirens, indicator panels, …
Explanatory notes
… 8531.90 ‑ Parts With the exception of signalling apparatus used on cycles or motor vehicles ( heading 85.12 ) and that … electrical apparatus used for signalling purposes, whether using sound for the transmission of the signal (bells, … ( Chapter 92 ). Electric bells and door chimes are usually designed to be operated from a low tension supply …