Manufacture of electric motors, generators and transformers

**Official Rulings:** - Manufacture of photovoltaic solar generators

This class includes manufacture of all electric motors and transformers: AC, DC and AC/DC. This class includes: - manufacture of electric motors (except internal combustion engine starting motors) - manufacture of distribution transformers, electric - manufacture of arc-welding transformers - manufacture of fluorescent ballasts (i.e. transformers) - manufacture of substation transformers for electric power distribution - manufacture of transmission and distribution voltage regulators - manufacture of power generators (except battery charging alternators for internal combustion engines) - manufacture of motor generator sets (except turbine generator set units) - rewinding of armatures on a factory basis

This class excludes: - manufacture of electronic component-type transformers and switches, see 26.11 - manufacture of electric welding and soldering equipment, see 27.90 - manufacture of solid state inverters, rectifiers and converters, see 27.90 - manufacture of turbine-generator sets, see 28.11 - manufacture of starting motors and generators for internal combustion engines, see 29.31