Section H: Electricity
7
Classes
59
Subclasses
802
Main Groups
10,615
IPC
32,161
CPC
Description
Section H encompasses all technologies and applications related to electrical and electronic systems, devices, and processes. It covers the generation, conversion, transmission, distribution, and utilization of electrical energy, as well as electronic components, circuits, and telecommunications. This section includes power generation from various sources, electric motors and machines, lighting technologies, heating applications, control systems, and the broad field of electronics and information transmission. Adjacent sections address mechanical engineering (F), physics-based technologies (G), and fixed structures (E).
Visualizations
Size of each class by number of subgroups
| Class | Title | Descendants |
|---|---|---|
| H01 | ELECTRIC ELEMENTS | 9,850 |
| H02 | GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER | 2,475 |
| H03 | ELECTRONIC CIRCUITRY | 4,484 |
| H04 | ELECTRIC COMMUNICATION TECHNIQUE | 9,561 |
| H05 | ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR | 2,265 |
| H10 | SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR | 3,680 |
| H99 | SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION | 2 |
Classification entries by hierarchy level
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- H02 GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER heading IPC+CPC Available in IPC and CPC
- H10 SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR heading IPC+CPC Available in IPC and CPC
- H99 SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION heading IPC+CPC Available in IPC and CPC