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| SECTION H– ELECTRICITY |
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| H 02 | GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER |
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| H 02 B | BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER (basic electric elements, their assembly, including the mounting in enclosures or on bases, or the mounting of covers thereon, see the subclasses for such elements, e.g. transformers H 01 F, switches, fuses H 01 H, line connectors H 01 R; installation of electric cables or lines, or of combined optical and electric cables or lines, or other conductors for supply or distribution H 02 G) |
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| H 02 G | INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES (distribution points incorporating switches H 02 B; guiding telephone cords H 04 M 1/15; cable ducts or mountings for telephone or telegraph exchange installations H 04 Q 1/06) |
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| H 02 H | EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS (indicating or signalling undesired working conditions G 01 R, e.g. G 01 R 31/00, G 08 B; locating faults along lines G 01 R 31/08; emergency protective devices H 01 H) |
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| H 02 J | CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY (power supply circuits for apparatus for measuring X-radiation, gamma radiation, corpuscular radiation or cosmic radiation G 01 T 1/175; for digital computers G 06 F 1/18; for discharge tubes H 01 J 37/248; circuits or apparatus for the conversion of electric power, arrangements for control or regulation of such circuits or apparatus H 02 M; interrelated control of several motors, control of a prime-mover/generator combination H 02 P; control of high-frequency power H 03 L; additional use of power line or power network for transmission of information H 04 B) |
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| H 02 K | DYNAMO-ELECTRIC MACHINES (measuring instruments G 01; dynamo-electric relays H 01 H 53/00; conversion of dc or ac input power into surge output power H 02 M 9/00; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H 04 R) |
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| H 02 M | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (systems for regulating electric or magnetic variables in general, e.g. using transformers, reactors or choke coils, combination of such systems with static converters G 05 F; for digital computers G 06 F 1/00; transformers H 01 F; connection or control of one converter with regard to conjoint operation with a similar or other source of supply H 02 J; dynamo-electric converters H 02 K 47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H 02 P; pulse generators H 03 K) |
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| H 02 N | ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR |
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| H 02 P | CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS (structure of the starter, brake, or other control devices, see the relevant subclasses, e.g. mechanical brake F 16 D, mechanical speed regulator G 05 D, variable resistor H 01 C, starter switch H 01 H; systems for regulating electric or magnetic variables using transformers, reactors or choke coils G 05 F; arrangements structurally associated with motors, generators, dynamo-electric converters, transformers, reactors or choke coils, see the relevant subclasses, e.g. H 01 F, H 02 K; connection or control of one generator, transformer, reactor, choke coil, or dynamo-electric converter with regard to conjoint operation with similar or other source of supply H 02 J; control or regulation of static converters H 02 M) |
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