| 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} | 
| 228 | DF | .~.~.~ Cartridge or tube {9} | 
| 241 | DF | .~.~.~.~ With indicating or inspection means {3} | 
| 242 |  | .~.~.~.~.~ Glow lamp |