CPV code 34990000 designates Control, safety, signalling and light equipment in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
34990000 sits under 34900000 (Miscellaneous transport equipment and spare parts) and groups 9 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.