|
| 690 14 | ANALYZERS, POWER GENERATION, INCLUDING PART AND ACCESSORIES |
| 690 27 | ASH HANDLING REMOVAL SYSTEMS |
| 690 28 | COAL HANDLING SYSTEMS |
| 690 29 | CONTROLS, ELECTRO HYDRAULIC (EHC) |
| 690 30 | CONTROLS, FUEL SAFETY FLAME SENSING |
| 690 31 | CONTROLS, INTEGRATED SYSTEM |
| 690 32 | CONTROLS, PROGRAMMABLE |
| 690 33 | CONTROLS, SINGLE LOOP |
| 690 34 | CONVERTERS AND INVERTERS, POWER |
| 690 37 | DATA ACQUISITION SYSTEMS |
| 690 39 | DIODES, COILS, AND OTHER CIRCUIT COMPONENTS |
| 690 40 | ENGINES, MOTORS AND PARTS, POWER GENERATION |
| 690 41 | EXCITATION SYSTEM, GENERATOR |
| 690 43 | GENERATORS, OVER 25 MW, POWER PLANT, INCLUDING PARTS AND ACCESSORIES (ALSO SEE 285-37,39) |
| 690 45 | GENERATORS, WIND |
| 690 46 | INDICATORS, POWER GENERATING EQUIPMENT |
| 690 49 | LAMPS AND LIGHTS, INDICATING |
| 690 53 | METERS, INDICATING PANEL |
| 690 54 | MONITORS AND ALARMS, POWER GENERATOR |
| 690 56 | PHOTO-VOLTAIC GENERATING SYSTEMS |
| 690 57 | POWER SUPPLIES, GENERATING |
| 690 58 | POWER TRANSMISSION, KINETIC |
| 690 59 | POWER PLANTS: HYDRO, MARINE, PETROL, SOLAR, STEAM, WIND, THERMAL |
| 690 62 | RECORDERS, CIRCULAR AND STRIP, AND ACCESSORIES, INCLUDING CHART PAPER, PENS, (SEE 220-54 FOR GENERAL LABORATORY TYPE) |
| 690 63 | RECYCLED POWER GENERATION EQUIPMENT, INCLUDING PARTS AND ACCESSORIES |
| 690 64 | REGULATORS, FLOW, PRESSURE |
| 690 65 | REGULATORS, VOLTAGE CURRENT |
| 690 68 | RELAYS, ETC. |
| 690 79 | SWITCHES, TEMPERATURE PRESSURE |
| 690 84 | TEST EQUIPMENT, ANALOG AND DIGITAL |
| 690 87 | TRANSDUCERS, SIGNAL CONVERTER |
| 690 88 | TRANSMITTERS, PRESSURE |
| 690 89 | TUBING AND FITTINGS, POWER PLANT |