45317200 - Electrical installation work of transformers

CPV code 45317200 in the EU Common Procurement Vocabulary refers to Electrical installation work of transformers. It sits at level 5 of the CPV hierarchy as a subcategory within the 45 division. This code is nested directly under 45317000, narrowing the broader category into the specific area of electrical installation work of transformers. As a leaf code, 45317200 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 installation work of transformers. Contracting authorities across the EU use 45317200 in TED notices and national procurement portals to signal that a tender relates to electrical installation work of transformers.