337 / | HD | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
14 | DF | ELECTROTHERMALLY ACTUATED SWITCHES {9} |
142 | DF | .~ Fusible element actuated {15} |
227 | DF | .~.~ Fuse link carrier or holder {2} |
255 | DF | .~.~.~ Plug {5} |
268 | DF | .~.~.~.~ Contact or terminal structure {1} |
269 | .~.~.~.~.~ Plural diverse (e.g., male and female) |