Notes
This class includes items which are designed for the direct conversion of solar energy into electrical power.

Possible NAICS Codes
221114 – Solar Electric Power Generation
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333120 – Construction Machinery Manufacturing
334413 – Semiconductor and Related Device Manufacturing
334412 – Bare Printed Circuit Board Manufacturing
335132 – Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
541330 – Engineering Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Possible NAICS Codes
221114 – Solar Electric Power Generation
238210 – Electrical Contractors and Other Wiring Installation Contractors
541990 – All Other Professional, Scientific, and Technical Services

Description
Electric Services

Possible NAICS Codes
221122 – Electric Power Distribution
221112 – Fossil Fuel Electric Power Generation
221118 – Other Electric Power Generation
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
221210 – Natural Gas Distribution
926130 – Regulation and Administration of Communications, Electric, Gas, and Other Utilities
221121 – Electric Bulk Power Transmission and Control
238210 – Electrical Contractors and Other Wiring Installation Contractors

Description
Maintenance, Repair and Rebuilding of Equipment: Electric Wire, and Power and Distribution Equipment

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
561210 – Facilities Support Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing

Possible NAICS Codes
221114 – Solar Electric Power Generation
236220 – Commercial and Institutional Building Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
811412 – Appliance Repair and Maintenance
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
238990 – All Other Specialty Trade Contractors

Includes
Appliance and Extension Cords; Electric Power and Distribution Cable with Attachments, Multiapplication; Common Components of Electrical Rotating Equipment, such as End Bells and Frames.

Possible NAICS Codes
334419 – Other Electronic Component Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
335139 – Electric Lamp Bulb and Other Lighting Equipment Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
332510 – Hardware Manufacturing
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
336411 – Aircraft Manufacturing
332994 – Small Arms, Ordnance, and Ordnance Accessories Manufacturing

Possible NAICS Codes
237130 – Power and Communication Line and Related Structures Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
221114 – Solar Electric Power Generation
236220 – Commercial and Institutional Building Construction
541330 – Engineering Services
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
238990 – All Other Specialty Trade Contractors
238910 – Site Preparation Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors

Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238290 – Other Building Equipment Contractors
236210 – Industrial Building Construction
238320 – Painting and Wall Covering Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
561720 – Janitorial Services

Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Includes
Rechargeable Cells and Batteries.

Possible NAICS Codes
335910 – Battery Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
336611 – Ship Building and Repairing
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
334417 – Electronic Connector Manufacturing

Includes
Engine, Turbine, Wind, and Hand Driven Generator Sets and Auxiliary Aircraft Generators.

Excludes
Motor-Converters: Motor-Generator Sets; Engine Generators; Engine Accessory Generators.

Possible NAICS Codes
335312 – Motor and Generator Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
332991 – Ball and Roller Bearing Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
333613 – Mechanical Power Transmission Equipment Manufacturing

Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
237110 – Water and Sewer Line and Related Structures Construction
236220 – Commercial and Institutional Building Construction
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561621 – Security Systems Services (except Locksmiths)
238990 – All Other Specialty Trade Contractors
811412 – Appliance Repair and Maintenance
811210 – Electronic and Precision Equipment Repair and Maintenance

Description
Installation of Equipment: Miscellaneous

Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
811210 – Electronic and Precision Equipment Repair and Maintenance
541519 – Other Computer Related Services
238990 – All Other Specialty Trade Contractors
238290 – Other Building Equipment Contractors
561621 – Security Systems Services (except Locksmiths)
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
337215 – Showcase, Partition, Shelving, and Locker Manufacturing
334290 – Other Communications Equipment Manufacturing

Description
Installation of Equipment: Electric Wire, and Power and Distribution Equipment

Possible NAICS Codes
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
237130 – Power and Communication Line and Related Structures Construction
335311 – Power, Distribution, and Specialty Transformer Manufacturing
541512 – Computer Systems Design Services
221122 – Electric Power Distribution
561210 – Facilities Support Services

Description
Maintenance, Repair and Rebuilding of Equipment: Electrical and Electronic Equipment Components

Possible NAICS Codes
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
238290 – Other Building Equipment Contractors
561210 – Facilities Support Services
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
541519 – Other Computer Related Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing