| 摘要 |
The present invention relates to a transformer includes a housing, a bushing, a core-and-coil unit, an electrical connector, and a connecting rod. The bushing is located in an opening in the housing and comprises a conductive tube surrounded at least partially by an insulating layer. The electrical connector is coupled to the core-and-coil unit in the housing. The connecting rod extends through at least a portion of the conductive tube with one end of the rod being connected to the electrical connector. The connecting rod and the bushing can be moved with respect to each other to electrically couple the electrical connector the conductive tube.
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