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Current hierarchy for electrical devices (619)
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electrical devices (619) electrical devices (619) exclude
  electric arc lamps (16) electrical devices (619) -> electric arc lamps (16)  
  electric batteries (9) electrical devices (619) -> electric batteries (9) exclude
    battery charging devices (4) electrical devices (619) -> electric batteries (9) -> battery charging devices (4)  
  electric distribution systems (2) electrical devices (619) -> electric distribution systems (2)  
  electric generators (22) electrical devices (619) -> electric generators (22)  
  electric motors (516) electrical devices (619) -> electric motors (516) exclude
    AC motors (23) electrical devices (619) -> electric motors (516) -> AC motors (23)  
    DC motors (8) electrical devices (619) -> electric motors (516) -> DC motors (8)  
    centrifugal motor switches (12) electrical devices (619) -> electric motors (516) -> centrifugal motor switches (12)  
    electric motor making (15) electrical devices (619) -> electric motors (516) -> electric motor making (15)  
    electrical insulation (1) electrical devices (619) -> electric motors (516) -> electrical insulation (1)  
    gear motors (7) electrical devices (619) -> electric motors (516) -> gear motors (7)  
    induction motors (106) electrical devices (619) -> electric motors (516) -> induction motors (106) exclude
      capacitor start induction motors (1) electrical devices (619) -> electric motors (516) -> induction motors (106) -> capacitor start induction motors (1)  
      repulsion start induction run motors (49) electrical devices (619) -> electric motors (516) -> induction motors (106) -> repulsion start induction run motors (49)  
      shaded pole induction motors (4) electrical devices (619) -> electric motors (516) -> induction motors (106) -> shaded pole induction motors (4)  
    motor armatures (19) electrical devices (619) -> electric motors (516) -> motor armatures (19)  
    motor bearings (17) electrical devices (619) -> electric motors (516) -> motor bearings (17)  
    motor brakes (2) electrical devices (619) -> electric motors (516) -> motor brakes (2)  
    motor brush holders (15) electrical devices (619) -> electric motors (516) -> motor brush holders (15)  
    motor brushes (4) electrical devices (619) -> electric motors (516) -> motor brushes (4)  
    motor commutators (5) electrical devices (619) -> electric motors (516) -> motor commutators (5)  
    motor controls (32) electrical devices (619) -> electric motors (516) -> motor controls (32)  
    motor cooling (22) electrical devices (619) -> electric motors (516) -> motor cooling (22)  
    motor housings (7) electrical devices (619) -> electric motors (516) -> motor housings (7)  
    motor mounts (17) electrical devices (619) -> electric motors (516) -> motor mounts (17)  
    motor regulators (11) electrical devices (619) -> electric motors (516) -> motor regulators (11)  
    motor stators (7) electrical devices (619) -> electric motors (516) -> motor stators (7)  
    motor windings (2) electrical devices (619) -> electric motors (516) -> motor windings (2)  
    repulsion motors (1) electrical devices (619) -> electric motors (516) -> repulsion motors (1)  
    universal motors (2) electrical devices (619) -> electric motors (516) -> universal motors (2)  
  electric switches (28) electrical devices (619) -> electric switches (28)  
  phase regulators (1) electrical devices (619) -> phase regulators (1)  
 
Full Hierarchy | agricultural machines (1,724) | agricultural tools (201) | armaments (67) | combination tools (557) | construction machines (47) | electrical devices (619) | gauges (28)
household machines (480) | household tools (770) | household (365) | industrial furnaces (26) | industrial machines (558) | industrial tools (296) | knives and cutters (122) | layout tools (2,416)
metalworking machines (5,080) | metalworking tools (727) | musical instruments (2) | pliers (654) | potters tools (3) | propulsion and energy (2,847) | punches (41) | rules (410)
screwdrivers (429) | specialty machines (1,129) | specialty tools (545) | stoneworking machines (46) | structures (70) | tool handles (90) | tool holders (63) | tool making (268)
tool storage (50) | trade specific (4,956) | transportation machines (242) | transportation tools (14) | water distribution systems (98) | woodworking machines (14,015) | woodworking tools (3,760) | work holding (1,101)
wrenches (5,560)

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