Electrical equipment

Electrical equipment is the apparatus that makes another commodity usable, and that is an unusual position on this list. Electric power cannot be stored and cannot be consumed directly: it must be transformed in voltage merely to travel, and then converted into motion, light, heat or computation at the point of use. This category is that conversion layer. Nothing else here occupies the same place — iron needs no separate commodity class in order to be iron — and the consequence is that demand in this category is not demand for a material at all but demand for electrification itself.

Its founding event was a standards war. The date is c. 1885 and the anchor is Westinghouse and General Electric, which is to say the contest between direct and alternating current. That was never really an argument about engineering. It was a fight over which standard the installed base would adopt, because the generator, the line and the appliance all have to agree with one another. Alternating current won on the strength of a single component — the transformer, which allows voltage to be raised for transmission and dropped again for use — and in winning it fixed the physical form of every electrical system built since.

That established a pattern this list sees nowhere else so clearly. In a network industry the contest is over the standard rather than the product, because the asset is not the machine but the agreement, and whoever owns the agreement owns everything that must connect to it. Railway gauge, broadcast formats, plug shapes, charging connectors: the same contest repeatedly, and the electrical one was the first conducted at industrial scale.

It is also why this category's cartel history concerns patents and lifespans rather than tonnage. Cross-licensing pools among the dominant manufacturers governed who was permitted to make what, and the Phoebus arrangement of 1924 went further than any other cartel in this collection: it limited the durability of the product, capping the rated life of the incandescent lamp and penalizing members whose bulbs lasted too long. A commodity cartel ordinarily restricts quantity. This one restricted quality — which is possible only where the buyer cannot measure what is being withheld, and is therefore available to manufactured goods and to almost nothing else on this list.

The live constraint inverts the order most people assume. What limits electrification now is not generation but equipment: large power transformers are reported at lead times of several years, around four in the American market as of mid-2026, with estimates elsewhere ranging from under two years to more than five. The transformer, not the turbine or the solar panel, is the binding constraint on grid expansion, data-centrer construction and renewable connection. The fastest-growing demand in the world economy is queueing behind a heavy, custom-wound object made of grain-oriented electrical steel with a multi-year order book, and no amount of capital shortens the queue quickly, because the constraint is manufacturing capacity for a product that was a mature, slow-growing business until about three years ago.

On boundaries: generators, transformers, switchgear, breakers, cables, meters, motors, lamps and batteries considered as articles are here. The electricity flowing through them is electric power. The copper, aluminium and iron they are built from keep their own categories, and the grain-oriented electrical steel is iron and steel. A semiconductor device is semiconductors while the appliance built around it is here — or manufacturing, where an entry turns on the article rather than on its electrical function. Computing and communications hardware is here, with telecommunications alongside where the subject is the network rather than the equipment. A battery is here, its cobalt and nickel are their own categories, and its lithium is an industrial metal. The date is c. 1885, on Westinghouse and General Electric.