Pada trafo, komponen ini disebut dengan coil pin.

🤖 SURJAYA 🤖
https://patents.google.com/patent/CN202710709U/en
...a plurality of sets of ejector pins in a row, which are simultaneously contacted with the detection points of transformer coil pins...

https://www.eevblog.com/forum/repair/landis-gyr-shunt-motor-...
(Transformer Output was 1 VAC rather than 24 VAC, Primary coil pins measure 2.7 kOhm, all three secondary coil pins show up as open circuit "OL").