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Current hierarchy for electrical devices (1,390)
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electrical devices (1,390) electrical devices (1,390) exclude
  circuit breakers (2) electrical devices (1,390) -> circuit breakers (2)  
  computer apparatus and systems (13) electrical devices (1,390) -> computer apparatus and systems (13)  
  distance registers (1) electrical devices (1,390) -> distance registers (1)  
  electric alternators (3) electrical devices (1,390) -> electric alternators (3)  
  electric arc lamps (22) electrical devices (1,390) -> electric arc lamps (22)  
  electric batteries (17) electrical devices (1,390) -> electric batteries (17) exclude
    battery charging devices (4) electrical devices (1,390) -> electric batteries (17) -> battery charging devices (4)  
  electric distribution systems (24) electrical devices (1,390) -> electric distribution systems (24)  
  electric generators (45) electrical devices (1,390) -> electric generators (45)  
  electric headlights (1) electrical devices (1,390) -> electric headlights (1)  
  electric motors (988) electrical devices (1,390) -> electric motors (988) exclude
    AC motors (49) electrical devices (1,390) -> electric motors (988) -> AC motors (49)  
    DC motors (31) electrical devices (1,390) -> electric motors (988) -> DC motors (31)  
    centrifugal motor switches (20) electrical devices (1,390) -> electric motors (988) -> centrifugal motor switches (20)  
    electric motor making (47) electrical devices (1,390) -> electric motors (988) -> electric motor making (47)  
    electrical insulation (2) electrical devices (1,390) -> electric motors (988) -> electrical insulation (2)  
    gear motors (9) electrical devices (1,390) -> electric motors (988) -> gear motors (9)  
    induction motors (182) electrical devices (1,390) -> electric motors (988) -> induction motors (182) exclude
      capacitor start induction motors (9) electrical devices (1,390) -> electric motors (988) -> induction motors (182) -> capacitor start induction motors (9)  
      repulsion start induction run motors (64) electrical devices (1,390) -> electric motors (988) -> induction motors (182) -> repulsion start induction run motors (64)  
      shaded pole induction motors (5) electrical devices (1,390) -> electric motors (988) -> induction motors (182) -> shaded pole induction motors (5)  
      split phase motors (5) electrical devices (1,390) -> electric motors (988) -> induction motors (182) -> split phase motors (5)  
    motor armatures (39) electrical devices (1,390) -> electric motors (988) -> motor armatures (39)  
    motor bases (2) electrical devices (1,390) -> electric motors (988) -> motor bases (2)  
    motor bearings (28) electrical devices (1,390) -> electric motors (988) -> motor bearings (28)  
    motor brakes (4) electrical devices (1,390) -> electric motors (988) -> motor brakes (4)  
    motor brush holders (33) electrical devices (1,390) -> electric motors (988) -> motor brush holders (33)  
    motor brushes (9) electrical devices (1,390) -> electric motors (988) -> motor brushes (9) exclude
      brush reseating tools (1) electrical devices (1,390) -> electric motors (988) -> motor brushes (9) -> brush reseating tools (1)  
    motor commutators (20) electrical devices (1,390) -> electric motors (988) -> motor commutators (20)  
    motor controls (99) electrical devices (1,390) -> electric motors (988) -> motor controls (99)  
    motor cooling (46) electrical devices (1,390) -> electric motors (988) -> motor cooling (46)  
    motor frames (4) electrical devices (1,390) -> electric motors (988) -> motor frames (4)  
    motor generators (3) electrical devices (1,390) -> electric motors (988) -> motor generators (3)  
    motor housings (8) electrical devices (1,390) -> electric motors (988) -> motor housings (8)  
    motor lubrication (4) electrical devices (1,390) -> electric motors (988) -> motor lubrication (4)  
    motor mounts (23) electrical devices (1,390) -> electric motors (988) -> motor mounts (23)  
    motor regulators (16) electrical devices (1,390) -> electric motors (988) -> motor regulators (16)  
    motor rotors (4) electrical devices (1,390) -> electric motors (988) -> motor rotors (4)  
    motor stators (11) electrical devices (1,390) -> electric motors (988) -> motor stators (11)  
    motor winding impregnating apparatus (2) electrical devices (1,390) -> electric motors (988) -> motor winding impregnating apparatus (2)  
    motor windings (19) electrical devices (1,390) -> electric motors (988) -> motor windings (19)  
    multiphase motors (6) electrical devices (1,390) -> electric motors (988) -> multiphase motors (6)  
    reciprocating or vibrating electric motors (29) electrical devices (1,390) -> electric motors (988) -> reciprocating or vibrating electric motors (29)  
    repulsion motors (3) electrical devices (1,390) -> electric motors (988) -> repulsion motors (3)  
    synchronous motors (13) electrical devices (1,390) -> electric motors (988) -> synchronous motors (13)  
    universal motors (2) electrical devices (1,390) -> electric motors (988) -> universal motors (2)  
    variable speed motors (2) electrical devices (1,390) -> electric motors (988) -> variable speed motors (2)  
  electric or electronic testing apparatus (7) electrical devices (1,390) -> electric or electronic testing apparatus (7)  
  electric switches (72) electrical devices (1,390) -> electric switches (72) exclude
    pneumatic operated electric switches (2) electrical devices (1,390) -> electric switches (72) -> pneumatic operated electric switches (2)  
    pressure controlled switches (3) electrical devices (1,390) -> electric switches (72) -> pressure controlled switches (3)  
    time controlled switches (1) electrical devices (1,390) -> electric switches (72) -> time controlled switches (1)  
  electric usage meters (1) electrical devices (1,390) -> electric usage meters (1)  
  electrical conduit apparatus (8) electrical devices (1,390) -> electrical conduit apparatus (8)  
  electrical connectors (5) electrical devices (1,390) -> electrical connectors (5)  
  electrical control cabinets and apparatus (1) electrical devices (1,390) -> electrical control cabinets and apparatus (1)  
  electrical fuses (3) electrical devices (1,390) -> electrical fuses (3)  
  electrical measuring apparatus (45) electrical devices (1,390) -> electrical measuring apparatus (45)  
  electrical overload relays (3) electrical devices (1,390) -> electrical overload relays (3)  
  electrical relays (2) electrical devices (1,390) -> electrical relays (2)  
  electrolysis apparatus (2) electrical devices (1,390) -> electrolysis apparatus (2)  
  electromagnets (1) electrical devices (1,390) -> electromagnets (1)  
  electronic circuitry and apparatus (64) electrical devices (1,390) -> electronic circuitry and apparatus (64)  
  incandescent light bulbs (9) electrical devices (1,390) -> incandescent light bulbs (9)  
  magnetic coils (2) electrical devices (1,390) -> magnetic coils (2)  
  magnetic transducers (2) electrical devices (1,390) -> magnetic transducers (2)  
  phase regulators (1) electrical devices (1,390) -> phase regulators (1)  
  rectifiers (2) electrical devices (1,390) -> rectifiers (2)  
  rheostats (2) electrical devices (1,390) -> rheostats (2)  
  telegraphic apparatus (7) electrical devices (1,390) -> telegraphic apparatus (7)  
  temperature control apparatus (6) electrical devices (1,390) -> temperature control apparatus (6)  
  transformers (5) electrical devices (1,390) -> transformers (5)  
  voltage regulators (8) electrical devices (1,390) -> voltage regulators (8)  
 
Full Hierarchy | agricultural (3,328) | armaments (139) | combination tools (624) | construction machines (91) | electrical devices (1,390) | gauges (109) | handheld power tools (825)
hardware (238) | household tools (118) | household (2,261) | industrial machines (1,936) | industrial tanks (5) | industrial tools (1,257) | knives and cutters (178) | layout tools (2,662)
manufacturing (328) | material handling (393) | metalworking machines (15,153) | metalworking tools (2,061) | musical instruments (56) | photographic apparatus (328) | pliers (735) | potters tools (3)
propulsion and energy (6,200) | punches (50) | rules (497) | screwdrivers (587) | specialty machines (2,901) | specialty tools (1,749) | stoneworking (142) | structures (119)
tool making (466) | trade specific (5,952) | transportation (1,063) | water distribution systems (231) | woodworking machines (15,635) | woodworking tools (4,188) | work holding (1,649) | wrenches (6,000)

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