Manufacture of electric motors, generators, transformers and electricity distribution and control apparatus

This class includes: - manufacture of power circuit breakers - manufacture of surge suppressors (for distribution level voltage) - manufacture of control panels for electric power distribution - manufacture of electrical relays - 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

This class excludes: - manufacture of environmental controls and industrial process control instruments, see 26.51 - manufacture of switches for electrical circuits, such as pushbutton and snap switches, see 27.33