Oklahoma
Contractors License

This is not a license that can stand-alone. It is required by the state that individuals who are taking a Mechanical Contractor Exam must also take this exam in order to obtain that license.

This is not a license that can stand-alone. It is required by the state that individuals who are taking a Mechanical Contractor Exam must also take this exam in order to obtain that license.

The Limited Electrical Contractor is prohibited from doing any hands-on electrical work. This license allows the holder to work as a manager doing electrical project planning, estimating, etc. Licensed limited contractors are prohibited from doing any of the work of a Journeyman or Apprentice.  Applicants must take the Electrical Business and Law Exam in addition to the Limited Electrical Contractor Exam in order to obtain this license.

Refinery electrical licenses are limited to wiring inside Refinery facilities that are defined as facilities designed and operated to receive, unload, store, process and refine raw crude oil. This license applies to out-of-state electrical workers in Oklahoma Refineries.

This license allows work in the design, plan, layout, installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications as it applies to one-, two-, or three-family residences.  Applicants must take the Electrical Business and Law Exam in addition to the Residential Electrical Contractor Exam in order to obtain this license.

This license allows work in the design, plan, layout, installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications. The contractor is allowed to bid, advertise and contract. Applicants must take the Electrical Business and Law Exam in addition to the Unlimited Electrical Contractor Exam in order to obtain this license.

A Journeyman must be employed by an Electrical Contractor and may not contract. This license allows the design, plan, layout, installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications in a supervised environment.

This exam tests a candidate's knowledge of the installation, maintenance, repair, fabrication, alteration or extension of air conditioning, refrigeration, heating, and ventilation, including ductwork, within a complete system unlimited in horsepower or tons, and related appurtenances, apparatus, piping vessels, ducts and insulation while under the supervision and in the employ of a HVACR Contractor.

This license allows for work in the installation, repair, alteration, or extension of gas piping and gas mains. It includes all natural gas piping within or adjacent to any building, structure, or conveyance, on the premises and to the connection with a natural gas meter, regulator or other supply source.  All Mechanical Contractors are required to take the Mechanical Business and Law Exam in addition to the contractor’s exam in order to obtain this license.