"[47] According to settled to case law, in the interests of legal certainty and ease of verification, the decisive criteria for the classification of goods for customs purposes is in general to be found in their objective characteristics and properties as defined in the wording of the relevant CN and of the notes to the sections or chapters.", and, later in the same case at [55]: "
“8539 Electric filament or discharge lamps, including sealed beam lamp units and ultraviolet or infrared lamps; arc lamps:”
“8541 Diodes, transistors and similar semiconductor devices; photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules made up into panels; light emitting diodes; mounted piezoelectric crystals:”
"8543 electrical machines and apparatus, having individual functions, not specified or included elsewhere."
"9405 lamps and lighting fittings including searchlights and spotlights and parts thereof, not elsewhere specified or included; illuminated signs, illuminated nameplates and the like, having a permanently fixed light source, and parts thereof not elsewhere specified or included:"
“Lamps and lighting fittings of this group can…use any source of light. Electrical lamps and lighting fittings of this heading may be equipped with lamp holders, switches, flex and plugs, transformers etc, or, as in the case of fluorescent strip fixture, a starter or a ballast.”; it says that the heading covers in particular:…(3) specialised lamps eg darkroom lamps; … (4) lamps and light fitting for vehicles…eg headlamps for trains..[but] sealed beam units are classified under heading 8539”
"any of various devices for producing light or sometimes heat: as (1) a vessel with a wick for burning an inflammable liquid (as oil) to produce light (2): a glass bulb or tube that emits light produced by electricity (as an incandescent light bulb or fluorescent lamp)"; and to the Collins dictionary: "1. a. Any of a number of devices that produce illumination - an electric lamp, a gas lamp an oil lamp, b. (in combination) lampshade 2. a device for holding one or more electric bulbs - a table lamp and to the Collins American English dictionary ... 2. any various devices producing light or heat, as an electric light bulb or a gas jet ... 3. A holder, stand or based such a device; (c) "lamp" was used in 8539 to include bulbs; a consistent use of the word in the combined nomenclature is to be expected (d) the subheadings in the chapter, in particular 9405 40 31 use "lamp" to mean both bulb and bulb fitting: “other electric lamps and light fittings -- of a kind used with filament lamps."