31311000 - Mains connections

CPV code 31311000 in the EU Common Procurement Vocabulary refers to Mains connections. It sits at level 4 of the CPV hierarchy as a category within the 31 division. This code is nested directly under 31310000, narrowing the broader category into the specific area of mains connections. As a leaf code, 31311000 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 mains connections. Contracting authorities across the EU use 31311000 in TED notices and national procurement portals to signal that a tender relates to mains connections.