31321700 - Signalling cable

CPV code 31321700 in the EU Common Procurement Vocabulary refers to Signalling cable. It sits at level 5 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31321000, narrowing the broader category into the specific area of signalling cable. As a leaf code, 31321700 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns signalling cable. Contracting authorities across the EU use 31321700 in TED notices and national procurement portals to signal that a tender relates to signalling cable.