338 / | HD | ELECTRICAL RESISTORS |
226 | DF | INCASED, EMBEDDED, OR HOUSED {22} |
267 | .~ Helical or wound element {3} | |
268 | DF | .~.~> Preformed sleeve engaging over element |
269 | DF | .~.~> Casing or housing formed on and hardened on resistor (e.g., molded) |
270 | DF | .~.~> Element coiled on a core |