45311100 - Electrical wiring work

CPV code 45311100 in the EU Common Procurement Vocabulary refers to Electrical wiring work. It sits at level 5 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45311000, narrowing the broader category into the specific area of electrical wiring work. As a leaf code, 45311100 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 electrical wiring work. Contracting authorities across the EU use 45311100 in TED notices and national procurement portals to signal that a tender relates to electrical wiring work.