Workers Compensation Class Code
3643 - Electric Power or Transmission Equipment Manufacturing

The description for the NCCI Workers Compensation Class Code 3643 - Electric Power or Transmission Equipment Manufacturing is:

Includes the mfg. or repair of motors, generators, convertors, transformers, switchboards, circuit breakers, switches, or switchboard apparatus or incidental equipment..

The related GL Class Code(s) for NCCI Workers Compensation Class Code 3643 - Electric Power or Transmission Equipment Manufacturing is:

The related SIC Code(s) for NCCI Workers Compensation Class Code 3643 - Electric Power or Transmission Equipment Manufacturing is:

Description for 3621 Motors and Generators

Establishments primarily engaged in manufacturing electric motors (except engine starting motors) and power generators; motor generator sets; railway motors and control equipment; and motors, generators, and control equipment for gasoline, electric, and oil-electric buses and trucks. Establishments primarily engaged in manufacturing turbo-generators are classified in Industry 3511; those manufacturing starting motors and battery charging generators for internal combustion engines are classified in Industry 3694; and those manufacturing generators for welding equipment are classified in Industry 3548.

• Armatures, industrial
• Coils for motors and generators
• Collector rings for motors and generators
• Commutators, electric motor
• Control equipment for buses and trucks
• Converters, phase and rotary: electrical equipment
• Dynamos, electric: except automotive
• Dynamotors
• Exciter assemblies, motor and generator
• Frequency converters (electric generators)
• Generating apparatus and parts, electrical: except internal combustion
• Generator sets: gasoline, diesel, and dual fuel
• Generators and sets, electric: except internal combustion engine,
• Generators for gas-electric and oil-electric vehicles
• Generators for storage battery chargers, except internal combustion
• Inverters, rotating: electrical
• Motor generator sets, except automotive and turbo generators
• Motor housings
• Motors, electric: except engine starting motors and gear motors
• Power generators
• Railway motors and control equipment, electric
• Resolvers
• Rotary converters (electrical equipment)
• Rotor retainers and housings
• Rotors for motors
• Servomotors
• Sliprings for motors and generators
• Starting equipment, for streetcars
• Stators for motors
• Storage battery chargers, engine generator type
• Synchronous condensers and timing motors, electric
• Synchros
• Torque motors, electric

Description for 3612 Power, Distribution, and Specialty Transformers

Establishments primarily engaged in manufacturing power, distribution, instrument, and specialty transformers. Establishments primarily engaged in manufacturing radio frequency or voice frequency electronic transformers, coils, or chokes are classified in Industry 3677, and those manufacturing resistance welder transformers are classified in Industry 3548.

• Airport lighting transformers
• Auto-transformers for switchboards, except telephone switchboards
• Auto-transformers, electric (power transformers)
• Ballasts for lighting fixtures
• Control transformers
• Current limiting reactors, electrical
• Distribution transformers electric
• Doorbell transformers, electric
• Electric furnace transformers
• Feeder voltage regulators and boosters (electric transformers)
• Fluorescent ballasts (transformers)
• Generator voltage regulators electric induction and step type
• Ignition transformers
• Instrument transformers except portable
• Isolation transformers
• Lighting transformers, fluorescent
• Lighting transformers, street and airport
• Line voltage regulators
• Luminous tube transformers
• Machine tool transformers
• Ratio transformers
• Rectifier transformers
• Signaling transformers electric
• Specialty transformers
• Street lighting transformers
• Toy transformers
• Transformers, electric power
• Transformers, for electronic meters
• Transformers, reactor
• Tripping transformers
• Vibrators interrupter
• Voltage regulating transformers electric power
• Voltage regulators, transmission and distribution

Description for 3644 Noncurrent-Carrying Wiring Devices

Establishments primarily engaged in manufacturing noncurrent-carrying wiring devices. Important products of this industry include conduits and fittings; electrical insulators, except porcelain and other ceramic insulators and glass insulators; outlet, switch, and fuse boxes; and pole line hardware. Establishments primarily engaged in manufacturing ceramic insulating are classified in Industry 3264, and those manufacturing glass insulators are classified in Industry 3229.

• Boxes, electric wiring: junction, outlet, switch, and fuse
• Conduits and fittings, electrical
• Face plates (wiring devices)
• Insulators, electrical: except glass and ceramic
• Pole line hardware
• Raceways
• Snubbers for CATV systems

Description for 3677 Electronic Coils, Transformers, and Other Inductors

Establishments primarily engaged in manufacturing electronic coils, transformers, and inductors. Establishments primarily engaged in manufacturing electrical transformers are classified in Industry 3612; those manufacturing transformers and inductors for telephone and telegraph apparatus are classified in Industry 3661, and those manufacturing semiconductors and related devices are classified in Industry 3674.

• Baluns
• Coil windings, electronic
• Coils, chokes and other inductors, electronic
• Constant impedance transformers
• Coupling transformers
• Flyback transformers
• Transformers, electronic types
• Transformers: power supply electronic type

Description for 3625 Relays and Industrial Controls

Establishments primarily engaged in manufacturing relays; motor starters and controllers; and other industrial controls and control accessories. Establishments primarily engaged in manufacturing automatic temperature controls are classified in Industry 3822, and those manufacturing industrial process control instruments are classified in Industry 3823.

• Armature relays
• Control circuit devices: magnet and solid-state
• Control circuit relays, industrial
• Controls and control accessories, industrial
• Controls for adjustable speed drives
• Crane and hoist controls, including metal mill
• Electromagnetic brakes and clutches
• Industrial controls: push button, selector switches, and pilot
• Marine and navy auxiliary controls
• Motor control accessories, including overload relays
• Motor control centers
• Motor controls, electric
• Motor starters, contactors, and controllers, industrial
• Numerical controls
• Relays
• Rheostats, industrial control
• Solenoid switches, industrial
• Timing devices, mechanical and solid-state, except clockwork
• Truck controls, industrial battery
• Vacuum relays

Description for 3613 Switchgear and Switchboard Apparatus

Establishments primarily engaged in manufacturing switchgear and switchboard apparatus. Important products of this industry include power switches, circuit breakers, power switching equipment, and similar switchgear for general industrial application; switchboards and cubicles, control and metering panels, fuses and fuse mountings, and similar switchboard apparatus and supplies. Establishments primarily engaged in manufacturing relays are classified in Industry 3625. Establishments manufacturing switches other than switchgear type are classified in Industry 3625 if the switches are of the type used as industrial controls, in Industry 3679 if the switches are of the type used in electronic devices, and in Industry 3643 if the switches are of other types used in wiring circuits.

• Air circuit breakers
• Bus bar structures
• Circuit breakers, power
• Control panels, electric power distribution
• Cubicles (electric switchboard equipment)
• Distribution boards, electric
• Distribution cutouts
• Fuse clips and blocks, electric
• Fuse devices, power: 600 volts and over
• Fuse mountings, electric power
• Fuses, electric
• Generator control and metering panels
• Knife switches, electric
• Metering panels, electric
• Panelboards and distribution boards, electric
• Panels, electric control and metering
• Power connectors
• Power switching equipment
• Regulators, power
• Switchboards and parts, power
• Switches, electric power: except snap, push button, tumbler, and
• Switchgear and switchgear accessories
• Time switches, electrical switchgear apparatus

Description for 3823 Industrial Instruments for Measurement, Display, and Control of Process Variables; and Related Products

Establishments primarily engaged in manufacturing industrial instruments and related products for measuring, displaying (indicating and/or recording), transmitting, and controlling process variables in manufacturing, energy conversion, and public service utilities. These instruments operate mechanically, pneumatically, electronically, or electrically to measure process variables, such as temperature, humidity, pressure, vacuum, combustion, flow, level, viscosity, density, acidity, alkalinity, specific gravity, gas and liquid concentration, sequence, time interval, mechanical motion, and rotation. Establishments primarily engaged in manufacturing electrical integrating meters are classified in Industry 3825; those manufacturing residential and commercial comfort controls are classified in Industry 3822; those manufacturing all liquid-in-glass and bimetal thermometers and glass hydrometers are classified in Industry 3829; those manufacturing recorder charts are classified in Industry Group 275; and those manufacturing analytical and optical instruments are classified in Industries 3826 and 3827.

• Absorption analyzers, industrial process type: e.g., infrared, X-ray
• Analyzers, industrial process type
• Annunciators, relay and solid-state types: industrial display
• Boiler controls: industrial, power, and marine type
• Buoyancy instruments, industrial process type
• Chromatographs, industrial process type
• Combustion control instruments, except commercial and household
• Computer interface equipment for industrial process control
• Controllers for process variables: electric, electronic, and pneumatic
• Coulometric analyzers, industrial process type
• Data loggers, industrial process type
• Density and specific gravity instruments, industrial process type
• Differential pressure instruments, industrial process type
• Digital displays of process variables
• Draft gauges, industrial process type
• Electrodes used in industrial process measurement
• Electrolytic conductivity instruments, industrial process type
• Flow instruments, industrial process type
• Fluidic devices, circuits, and systems for process control
• Gas and liquid analysis instruments, industrial process type
• Gas flow computers, industrial process type
• Humidity instruments, industrial process type
• Hydrometers, industrial process type
• Industrial process control instruments
• Infrared instruments, industrial process type
• Level and bulk measuring instruments, industrial process type
• Liquid analysis instruments, industrial process type
• Liquid concentration instruments, industrial process type
• Liquid level instruments, industrial process type
• Magnetic flow meters, industrial process type
• Manometers, industrial process type
• Moisture meters, industrial process type
• Nuclear reactor controls
• Panelboard indicators, recorders and controllers: receiver type
• Potentiometric self-balancing instruments, except X-Y plotters
• Pressure gauges, dial and digital
• Pressure instruments, industrial process type
• Primary elements for process flow measurement: orifice plates
• Programmers, process type
• Pyrometers, industrial process type
• Refractometers, industrial process type
• Resistance thermometers and bulbs, industrial process type
• Telemetering instruments, industrial process type
• Temperature instruments: industrial process type, except glass and
• Thermal conductivity instruments, industrial process type
• Thermistors, industrial process type
• Thermocouples, industrial process type
• Thermometers, filled system: industrial process type
• Time cycle and program controllers, industrial process type
• Transmitters of process variables, standard signal conversion
• Turbidity instruments, industrial process type
• Turbine flow meters, industrial process type
• Viscosimeters, industrial process type
• Water quality monitoring and control systems

Description for 3559 Special Industry Machinery, Not Elsewhere Classified

Establishments primarily engaged in manufacturing special industry machinery, not elsewhere classified, such as smelting and refining equipment, cement making, clayworking, cotton ginning, glass making, hat making, incandescent lamp making, leather working, paint making, rubber working, cigar and cigarette making, tobacco working, shoe making, and stone working machinery, and industrial sewing machines, and automotive maintenance machinery and equipment.

• Ammunition and explosives loading machinery
• Anodizing equipment (except rolling mill lines)
• Bag sewing and closing machines (industrial sewing machines)
• Balancing equipment, automotive wheel
• Boot making and repairing machinery
• Brick making machines
• Broom making machinery
• Buttonhole and eyelet machines and attachments, industrial
• Cement making machinery
• Chemical kilns
• Chemical machinery and equipment
• Cigarette and cigar making machines
• Clayworking and tempering machines
• Concrete products machinery
• Control rod drive mechanisms for use on nuclear reactors
• Cork working machinery
• Degreasing machines, automotive (garage equipment)
• Degreasing machines, industrial
• Desalination equipment
• Die and hub cutting equipment (jewelry manufacturing)
• Drying kilns, lumber
• Electric screening equipment
• Electron tube making machinery
• Electroplating machinery and equipment, except rolling mill lines
• Foundry machinery and equipment
• Frame straighteners, automotive (garage equipment)
• Fur sewing machines
• Ginning machines, cotton
• Glass making machinery: blowing, molding, forming, grinding, etc.
• Hat making and hat renovating machinery
• Jewelers' machines
• Kilns: cement, wood, and chemical
• Lamp making machinery, incandescent
• Leather working machinery
• Metal finishing equipment for plating, except rolling mill lines
• Metal pickling equipment, except rolling mill lines
• Metal smelting and refining machinery, except furnaces and ovens
• Nuclear reactor control rod drive mechanisms
• Optical lens machinery
• Ozone machines
• Packup assemblies (wheel overhaul)
• Paint making machinery
• Petroleum refinery equipment
• Pharmaceutical machinery
• Plastics working machinery
• Pottery making machinery
• Robots, plastics: for molding and forming
• Rubber products machinery
• Rubber working machinery
• Scouring machines, tannery
• Semiconductor manufacturing machinery
• Sewing machines and attachments, Industrial
• Shoe making and repairing machinery
• Silver recovery equipment, electrolytic
• Stone tumblers
• Stone working machinery
• Synthetic filament extruding machines
• Tannery machines
• Tile making machines
• Tire grooving machines
• Tire retreading machinery and equipment
• Tire shredding machinery
• Tobacco products machinery
• Wheel mounting and balancing equipment, automotive
• Wood drying kilns
• Zipper making machinery

The related CA Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is:

The related DE Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is:

The related MI Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is:

The related NJ Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is:

The related NY Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is:

The related PA Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is:

The related TA Workers Comp Class Code(s) for NCCI Workers Compensation Class Code 3643 is: