Manufacture of transformers and electricity distribution and control apparatus

This sub-class includes: - manufacture of substation transformers for electric power distribution; - manufacture of transmission and distribution voltage regulators; - manufacture of control panels for electric power distribution; - manufacture of power circuit breakers; - manufacture of control panels for electric power distribution; - manufacture of duct for electrical switchboard apparatus; - manufacture of electric fuses; - manufacture of power switching equipment; - manufacture of electric power switches (except pushbutton, snap, solenoid, tumbler); - manufacture of prime mover generator sets; - rewinding of armatures on a factory basis.