Product Data in Electrical Wholesale: ETIM Is Here, Sales-Ready Content Isn't

Electrical wholesale leads the way on ETIM, eCl@ss and BMEcat — yet classification alone never becomes a product page. Where the standard ends, and how a PIM for retailers closes the content gap.

Jakob Feinböck, ProductbayJuly 4, 20269 min read
☝️Key takeaways
  • Electrical wholesale is the pioneer of ETIM, eCl@ss and BMEcat — classification is more mature here than in almost any other trade.
  • But machine-readable attributes are not sales content: an ETIM feature list has no benefit copy, no application context, no SEO text.
  • Smaller dealers face a second gap: accessory and niche suppliers deliver no ETIM at all — just Excel and PDF datasheets.
  • Productbay ingests clean BMEcat/ETIM feeds and uses AI to classify the longtail and write the customer-ready content the standard never delivered.

Few trades have their product data house in as good an order as electrical wholesale. While a fashion retailer is still fighting variant Excels and a furniture dealer is manually re-keying PDF catalogs, the electrical world has had mature, machine-readable classification standards for years. ETIM, eCl@ss and BMEcat are the envy of every other industry.

And yet the same electrical wholesaler opens their online shop and finds it full of bare feature tables, half-empty descriptions and product pages no end customer would call helpful. The classification is there. The content isn't. This guide explains why — and where a PIM built for retailers takes over from the standard.

What makes ETIM, eCl@ss and BMEcat the industry standard?

Product data in electrical wholesale is technical, deeply attributed data that industry standards classify very well — but classification alone is not customer-ready content. The electrical trade got its standards right early, and they do real work:

  • ETIM classifies technical products into groups and defines a fixed feature list per class — so a circuit breaker always carries the same standardized attributes, whichever manufacturer sends it. It powers faceted search and technical comparison.
  • eCl@ss is the cross-industry classification and attribute standard used broadly in industrial procurement, mapping products and their properties for B2B buying processes.
  • BMEcat is the transport format — an XML container that carries the catalog, including its ETIM or eCl@ss classification, cleanly from supplier to buyer.

In practice you receive a BMEcat file full of ETIM-classified articles from a big manufacturer, and the technical backbone of your catalog is handled. If you want the deeper breakdown, we wrote a dedicated piece on what GDSN, ETIM and eCl@ss actually are.

Why are machine-readable attributes not the same as sales content?

Here is the trap the electrical trade falls into precisely because its classification is so good: teams assume that once the ETIM features are in, the product is done. It isn't. An attribute list answers "what is this," not "why should I buy it."

A fully ETIM-classified luminaire might carry 40 clean features — lumens, colour temperature, IP rating, beam angle — and still have:

  • No readable description: a benefit-oriented paragraph a customer actually reads before adding to cart.
  • No application context: where and why you'd use this part, what it pairs with, which project it fits.
  • No SEO text: nothing for Google to rank beyond a spec table every competitor also copied from the same BMEcat.
  • No consistent tone: raw feature values pulled straight from the manufacturer, in three different notations.

This is the content gap. Classification is a solved problem; sales content is not. Turning standardized features into readable, differentiated copy is manual work — exactly the kind of task AI enrichment is built to automate.

What about the smaller dealers without ETIM-conform suppliers?

The ETIM story assumes every supplier plays along. For the big listed manufacturers they do. But most electrical dealers also carry a long tail of accessory brands, niche manufacturers and own-brand products — and those rarely deliver ETIM at all. Instead you get an Excel export, a PDF datasheet, or a feed with attribute names that match nothing in your structure.

So the dealer ends up with two catalogs in one: a pristine ETIM-classified core, and a messy, unclassified longtail that someone has to key in by hand. That mixed reality — clean standard plus standard-less remainder — is the actual daily problem, and it's the same pattern we describe for every trade in the multi-brand retailer overview. The fix is to consolidate and normalize data from multiple suppliers into one structure, whatever format it arrived in.

Which sub-segments does electrical wholesale cover?

The same data pattern — strong classification, weak content, a longtail without ETIM — repeats across every part of the assortment:

  • Installation material: sockets, junction boxes, conduits, terminals — high volume, deeply attributed, endless accessory longtail.
  • Lighting & luminaires: lumens, colour temperature, IP ratings and beam data — richly classified, but the content that sells a lamp is missing.
  • Switching & distribution technology: breakers, distribution boards, protection devices — safety-critical specs where accuracy is non-negotiable.
  • Cables & wiring: cross-sections, conductor counts, insulation classes — precise technical data, often sold by the metre.
  • Building technology / KNX: smart building components with compatibility and system attributes that customers genuinely need explained.

How does Productbay help in electrical wholesale?

Productbay is built to sit exactly where ETIM stops. The job is the same three steps that apply across every trade:

  • Consolidate: import clean BMEcat/ETIM feeds from the big manufacturers as-is, and in the same system import the accessory suppliers' Excel and PDF datasheets — matching by SKU, EAN or GTIN so existing articles update and new ones are created.
  • Enrich: AI turns ETIM features into readable descriptions, classifies the unclassified longtail into your structure, reads specs out of PDF datasheets, fills gaps from whitelisted sources and translates via DeepL — always with a review queue before anything goes live.
  • Publish: two-way sync to Shopify and Shopware, ERP connections (Xentral, weclapp) and feed exports for Amazon, OTTO and Kaufland — each with per-channel transformations.

Crucially, Productbay does not replace your classification — it complements it. Clean ETIM stays clean; the standard-less longtail gets classified; and every article, standardized or not, gets the sales content the feature list never carried. Productbay is built for specialist retailers running multi-supplier, multi-channel catalogs, and for the electronics side of the business the dedicated PIM for electronics retailers page goes deeper.

What the industry standard delivers — and where a PIM takes over:

LayerETIM/eCl@ss deliversWhat Productbay adds
Classificationmachine-readable attributes, product groupsalready there — Productbay imports ETIM/BMEcat directly
Sales contentAI writes customer-ready copy from the attributes
Suppliers without ETIMimport Excel/PDF and map onto the structure
Channelssync to shop and marketplace feeds

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