Blore bowron encapsulated toroidal transformers blore bowron te01515 high quality encapsulated toroidal 15va transformer with dual 15v secondary voltage from blore bowron these transformers have a robust construction with a centre hole fixing and flying lead connections the flying leads exit through the side of the unit instead of the bottom like many of the encapsulated toroidals available this makes access much easier when the transformer is mounted the transformers feature a single 230