Ceramic products for use in electronic applications; Electronic mixers for mixing signals in the production of audio recordings; Electric inverters; Electrical inverters; Electricity inverters; Electronic inverters being car door self-locking devices; Inverters (electricity); Auto transformer starters being control apparatus; Bell transformers; Capacitive voltage transformers; Current transformers; Dry-type transformers; Electric current transformers; Electric devices for use in the protection of transformers; Electric mains transformers; Electric power supplies being transformers for marine use; Electric transformers; Electrical power packs comprising transformers and rectifiers; Electrical reducing transformers; Electrical transformers; Electrical transformers for use with lighting; Electricity transformers; Electronic transformers; Encased air-cooled transformers; Flyback transformers; Frequency transformers; High voltage transformers; Impedance transformers; Power packs (transformers); Power supply apparatus (transformers); Power supply devices (transformers); Power supply units (transformers); Power supply units comprising transformers; Power units (transformers); Regulating transformers; Sliding contacts for variable transformers; Step-up transformers; Tap changers for electric transformers; Test benches for pressure tests on transformers; Transformer breakdown testers; Transformer units; Transformers (electricity); Transformers being electromagnetic devices for industrial applications; Transformers being electromagnetic devices for military applications; Transformers operating as rectifiers; Voltage transformers; Adaptors for connecting telephones to hearing aids; Adaptors for converting alternating current to direct current; Adaptors for converting direct current to alternating current; Alternating current adaptors; Adaptors for use with electric plugs