Sähkönumerot.fi is a product information and lookup service maintained by the Electrical Trade Association of Finland (STK). It supports the electrical industry’s shared product numbering system, helping users find registered products and access information used across the supply chain. Visitors can search the catalogue by product details, browse product groups, or filter by suppliers, brands and product series; archived items can also be included in searches.

The catalogue covers a broad range of electrical and technical goods, including cables and wiring, installation accessories, switches and sockets, circuit protection, distribution equipment, lighting, automation, communications systems, safety products, measuring devices, electric-vehicle charging equipment and renewable-energy products. Product examples shown include conductors, consumer units and luminaires.

Sähkönumerot.fi also provides guidance and services for industry participants. These include information on obtaining electrical product numbers, updating product records, and adding logistics, environmental and ETIM classification data. The site highlights API resources for sharing product information across channels, publishes news and company updates, and lists relevant training sessions, webinars and industry events.