7
Current generators; High-voltage generators; Electrostatic generators; Governors; Pressure transformers; Strip coiling machines for transformer coils; Reeling apparatus, mechanical; Moving coil servomotors; Electric ignition coils; Reels [parts of machines]
9
Transformers [electricity]; Electronic transformers; Voltage transformers; Step-up transformers; Electrical reducing transformers; Distribution transformers; Frequency transformers; Current transformers; Electric voltage transformers; Electric current transformers; Power units [transformers]; Mains transformers (Electric -); Dry-type transformers; Tap changers for electric transformers; Electronic power transformers; Power packs [transformers]; Electric reactors; Commutation reactors; Shunt reactors; High voltage reactors; Coils, electric; Electronic coils; Electromagnetic coils; Electrical resistance coils; Transient suppression coils; Holders for electric coils; High frequency coils; Safety, security, protection and signalling devices; Electronic regulators; Power conditioners; Voltage regulators; Energy regulators; Controllers and regulators; Scientific research and laboratory apparatus, educational apparatus and simulators; Magnetizers; Electrostatic plotters; Shock recorders; Electric power analyzers; Energy control devices; Electricity storage apparatus; Converters, electric; Voltage regulators for electric power; Electric power controllers; Voltage testers; Distribution boards [electricity]; Accumulators, electric; Condensers [capacitors]
37
Building construction and repair; Repair of electronic apparatus; Electric appliance installation and repair; Repair of electrical equipment; Repair of industrial machinery; Repair information; Repair or maintenance of power generators; Installation, repair and maintenance of condensing apparatus; Maintenance and repair of electricity generators; Maintenance and repair of electronic installations; Repair of electrical equipment and electrotechnical installations; Plant refurbishment; Services for the hire of tools; Plant maintenance; Maintenance of electronic apparatus; Maintenance of commercial electrical systems