Connecticut Contractor School Online®
The premiere contractor school to assist you in passing your state contractor license exam.
Connecticut License Classifications

Major Contractor

New Home Construction Contractor

Home Improvement Contractor

Home Improvement Salesman (owners, partners or officers of a registered contractor business are exempt from salesperson registration requirements)

Electrical Specialties

  • E-1 Electrical Contractor
  • T-1 Telephone
  • L-1 Line Contractor
  • L-3 High Voltage
  • T-5 Low Voltage
  • C-5 Combined Low Voltage (Alarm, Audio, Telephone)

Well Drilling:

  • W-1 Water Well Contractor
  • W-1 Water Well Driller
  • W-1 Non Water Supply Contractor
  • W-3 Non Water Supply Driller

S-1 Heating, Piping, COoling, and Sheet Metal Work Contractor:

  • S-3 Heating Systems
  • S-5 Hot Water and Steam Systems
  • S-7 Hot Water and Steam Systems Including Oil Burners
  • D-1 Warm Air, AC, and Refrigeration Systems
  • D-3 Refrigeration Systems
  • G-1 Gas Piping Systems
  • G-9 Pipe Welding
  • SM-1 All Sheet Metal
  • SM-3 Domestic (Lt. Commercial)
  • SM-5 Hood Systems
  • B-1 Limited Burner
  • B-3 All Burners

P-1 Plumbing and Piping Work Contractor:

  • P-7 Sewer, Storm, and Water Lines
  • P-9 Gas Line Tanks, Piping, and Pumping Equipment
  • J-1 Water Pumps and Water Conditioning Equipment
  • J-3 Lawn Sprinklers
  • W-9 Drain Laying
  • Solar

F-1 Fire Protection Sprinkler Systems Contractor:

  • F-3 Liquid or Gas Fire Suppression Systems

Elevator:

  • R1 Unlimited Elevator Contractor
  • R2 Limited to Accessibility Systems