Electrical conductors or cables characterised by their conductive material or form including power cables, communication cables or conductors, and superconductors or hyper-conductive conductors, cables or transmission lines are classified in H01B 1/00 - H01B 1/24

Insulators based on inorganic materials are classified in H01B 3/02 - H01B 3/16; Insulators based on fibrous materials (e.g. fabric, paper) are classified in H01B 3/48 - H01B 3/545; Insulators based on gases are classified in H01B 3/56

Non-insulated conductors or conductive bodies characterized by their form can be found in H01B 5/00 - H01B 5/16

Insulated conductors or cables characterized by their form are classified in H01B 7/00 - H01B 7/428

Power Cables are classified in H01B 9/00 - H01B 9/0694

Communication Cables are classified in H01B 11/00 - H01B 11/22

Superconductive or hyper-conductive conductors, cables or transmission lines are classified in H01B 12/00 - H01B 12/16

Apparatus or processes specially adapted for manufacturing conductors or cables are classified in H01B 13/00 - H01B 13/348

Apparatus or process for salvaging material from cables are classified in H01B 15/00 - H01B 15/008

Insulators or insulating bodies characterised by their form are classified in H01B 17/00 - H01B 17/66

Apparatus or processes specially adapted for manufacturing insulators or insulating bodies are classified in H01B 19/00 - H01B 19/04

Group H01B 12/00 takes precedence over groups H01B 5/00, H01B 7/00, H01B 9/00, and H01B 11/00.

Cables including at least one electrical conductor together with optical fibers are classified in group H01B 11/22.

Device aspects of an invention are to be classified in H01B 5/00, H01B 7/00, H01B 9/00, H01B 11/00, H01B 12/00 and H01B 17/00, method aspects of an invention are to be classified in H01B 13/00. Therefore, there are corresponding subgroups, see table below:

Within each main group of this subclass, in the absence of an indication to the contrary, classification is made in the last appropriate place.

Groups H01B 1/14 - H01B 1/24 take precedence over groups H01B 1/02 - H01B 1/12

For applications which deal with polymer compositions comprising inorganic additives, where it is not apparent, whether the invention resides in the polymeric or the inorganic component, the application should be classified in the relevant subgroups of both the inorganic additive and the polymeric component.

Insulating materials comprising compositions of different organic insulating materials are classified in each relevant subgroup (e.g. an insulating layer comprising a polyethylene and a polystyrene is classified in both H01B 3/441 and H01B 3/442).

Groups H01B 3/18, H01B 3/30, H01B 3/42, H01B 3/44 are only used when no relevant subgroup is available

The group H01B 3/30 is used for insulating materials characterized by predominantly by physical properties

No new documents are classified in H01B 3/308.

In H01B 3/47 the plastic is also classified in the relevant groups above

Group H01B 3/47 takes precedence over groups H01B 3/32 - H01B 3/46.

Insulators or insulating bodies characterised by the insulating materials comprising fibrous materials like fabric, wood, paper, press board

Non-insulated electrical conductors or cables by their type; constructional details of non-insulated electrical conductors or cables.

Overhead lines for high voltage power distribution, including overhead lines comprising thin protective layers, e.g. against corrosion or weather attack. Such thin protective layers are not considered as conductor insulation.

Insulated electrical conductors or cables by their type; constructional details of insulated electrical conductors or cables.

This group is subdivided either into insulated conductors or cables by their type, e.g.:

H01B 7/0045 (cable harnesses)

H01B 7/0054 (cables with incorporated electric resistances)

H01B 7/0063 (ignition cables)

H01B 7/0072 (electrical cables comprising fluid supply conductors)

H01B 7/0081 (cables of rigid construction)

H01B 7/009 (cables with build-in connection points or with predetermined areas for making deviations)

H01B 7/04 (flexible insulated cables, conductors or cords)

H01B 7/06 (extensible conductors or cables)

H01B 7/08 (flat or ribbon cables)

H01B 7/10 (contact cables)

H01B 7/12 (floating cables)

H01B 7/14 (submarine cables)

H01B 7/16 (rigid-tube cables)

or by general constructional details of insulated conductors or cables, e.g.:

H01B 7/0009 (details relating to the conductive cores)

H01B 7/02 (disposition of insulation)

H01B 7/17 (protection against damage caused by external factors)

H01B 7/30 (with arrangements for reducing conductor losses when carrying AC)

H01B 7/32 (with arrangements for indicating defects)

H01B 7/36 (with distinguishing or length marks)

H01B 7/38 (with arrangements for facilitating removal of insulation)

H01B 7/40 (with arrangements for facilitating mounting and securing)

H01B 7/42 (with arrangements for heat dissipation or conduction)

Insulated conductors or cables characterised by their form: Protection against damage caused by moisture, corrosion, chemical attack or weather

Protection of cables against damage caused by extremes of temperature or by flame

Electrical power cables by their type, wherein voltage ratings are typical above about 1 KV and/or current ratings are typical above about 50 A; constructional details of power cables.

This group is subdivided either into power cables by their type, e.g.:

H01B 9/001 (welding cables)

H01B 9/008 (for overhead application)

H01B 9/04 (concentric cables)

H01B 9/06 (gas-pressure, oil-pressure cables or cables for use in conduits under pressure)

or by general constructional details of power cables, e.g.:

H01B 9/006 (constructional features relating to the conductors)

H01B 9/003 (including electrical control or communication wires)

H01B 9/005 (including optical transmission elements)

H01B 9/02 (with screens or conductive layers)

Electrical communication cables carrying telecommunication or data signals in a frequency range less than the microwave range (less than several hundred MHz).

This group is subdivided either into communication cables by their type, e.g.:

H01B 11/02 (communication cables with twisted pairs or quads)

H01B 11/18 (coaxial cables)

H01B 11/22 (communication cables including at least one electrical conductor together with optical fibres)

or by general constructional details of communication cables, e.g.:

H01B 11/002 (pair constructions)

H01B 11/005 (quad constructions)

If suitable for handling frequencies considerably beyond the audio range and if typical HF-features of coaxial cables are disclosed, e.g. propagation of non-TEM modes, multimoding, oversized coaxial cables, particular cross-section adapted for HF-propagation, classification is made in H01P 3/06.

Group H01B 12/12 takes precedence over groups H01B 12/04 - H01B 12/10

Apparatus or processes specially adapted for manufacturing non-insulated or insulated electrical conductors, wires or cables.

Subgroups comprising apparatus or processes for manufacturing particular types of electrical conductors or cables, e.g.:

H01B 13/004 (manufacturing rigid-tube cables)

H01B 13/008 (manufacturing extensible conductors or cables)

H01B 13/012 (manufacturing wire harnesses)

H01B 13/016 (manufacturing coaxial cables)

Subgroups comprising apparatus or processes for a particular production step for manufacturing electrical conductors or cables, e.g.:

H01B 13/0003 (for feeding conductors or cables)

H01B 13/0006 (for reducing the size of conductors or cables)

H01B 13/0009 (for forming corrugations on conductors or cables)

H01B 13/0013 (for embedding wires in plastic layers)

H01B 13/0016 (for heat treatment)

H01B 13/0023 (for welding together plastic insulated wires side-by-side)

H01B 13/0026 (for manufacturing conducting or semi-conducting layers)

H01B 13/003 (using irradiation)

H01B 13/0033 (electrostatic coating)

H01B 13/0036 (details)

H01B 13/02 (stranding-up)

H01B 13/06 (insulating conductors or cables)

H01B 13/22 (sheeting, armouring, screening or applying other protective layer)

H01B 13/28 (applying continuous inductive loading)

H01B 13/32 (filling or coating with impervious material)

H01B 13/34 (for marking conductors or cables)

Apparatus or processes specially adapted for manufacturing conductors or cables by extrusion

Apparatus or processes specially adapted for manufacturing conductors or cables by extrusion, wherein the protective layer is produced by extrusion.

Apparatus or processes specially adapted for manufacturing conductors or cables by drying

Dismantling of electric cables, e.g. for recycling.

Electrical insulators being separate basic electric elements; constructional details of electrical insulators.

This group is subdivided either into insulators or insulating bodies by their type, e.g.:

H01B 17/02 (suspension insulators)

H01B 17/14 (supporting insulators)

H01B 17/20 (pin insulators)

H01B 17/24 (apertured insulators)

H01B 17/26 (lead-in insulators, lead-through insulators, bushings)

or by general constructional details of insulators or insulating bodies, e.g.:

H01B 17/005 (with build-in electrical equipment)

H01B 17/32 (single insulators consisting of two or more dissimilar insulating bodies)

H01B 17/34 (insulators containing liquid, e.g. oil)

H01B 17/36 (insulators having evacuated or gas-filled spaces)

H01B 17/38 (fittings)

H01B 17/42 (means for obtaining improved distribution of voltage)

H01B 17/50 (with surfaces specially treated for preserving insulating properties)

H01B 17/52 (having cleaning devices)

H01B 17/54 (having heating or cooling devices)

Apparatus or processes specially adapted for manufacturing insulators or insulating bodies