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The Interior classification allows the installation of acoustical ceiling systems and panels, drywall portions (load bearing and nonbearing), lathing and plastering, flooring and finishing, interior recreational surfaces, window and door installation, and installation of fixtures, cabinets, and millwork. It also includes removal of asbestos and replacement with non-toxic substances.

The Masonry classification covers the installation, with or without the use of mortar or adhesives, of brick, concrete block, gypsum partition tile, pumice block or other lightweight and facsimile units and products common to the masonry industry, fire clay products and refractory construction, rough cut and dressed stone, marble panels, slate units, installation of structural glazed tile or block, glass brick or block, and solar screen tile or block.

The Metal Erection classification covers the field fabrication, erection, repair, and alteration of architectural and structural shapes, plates, tubing, pipes and bars not limited to steel or aluminum, that are or may be used as structural members for buildings, equipment, and structures, covers the layout, assembly, and erection by welding, bolting, or riveting such metal products as, but not limited to curtain walls, tanks of all types, hoppers, structural members for buildings, towers, stairs, conveyor frames, cranes and crane runways, canopies, carports, guard rails, signs, steel scaffolding as a permanent structure, rigging, flagpoles, fences, steel and aluminum siding, bleachers, fire escapes, and the seating for stadiums, arenas, and auditoriums.

The Electrical Specialty Restricted Elevator (SP-EL) classification covers installing, maintaining, or repairing electrical wiring only as an incident to the licensee’s elevator dumbwaiter, escalator, moving walk, or personnel hoist business. Furthermore, the license authorizes the licensee to install, maintain, or repair only electric wiring that is an integral part of an elevator, dumbwaiter, escalator, moving walk, or personnel hoist, or is electrically isolated from the building wiring by a safety switch or circuit breaker that has been installed complete with line-side connections by others, and originates at the load-side terminals of the protective isolating device (referred to as “beyond the disconnection means.)

The Electrical classification covers installing, maintaining, altering, or repairing of any electrical work, wiring, devices, appliances, or equipment. It covers both residential and commercial work and is not limited in scope.

The Electrical – Ahead of Point Delivery classification covers the construction, installation, alteration, maintenance, or repair of an electrical wiring system, including sub-stations or components thereof, which is or is intended to be owned, operated, and maintained by an electric power supplier such as a public or private utility, a utility cooperative, or any other properly franchised electric power supplier, for the purpose of furnishing electrical services to one or more customers.

The Electrical Specialty Restricted Electric Sign (SP-ES) classification allows the licensee to install, maintain, or repair electrical wiring or devices only as an incident to the licensee’s electric sign business. Furthermore, the license authorizes the licensee to install, maintain, or repair only wiring that is directly related to electric signs and is electrically isolated from the building wiring system. Wiring that is directly related differs depending on the type of sign involved.

The Electrical Specialty Restricted Low Voltage (SP-LV) classification covers installing, maintaining, or repairing only low voltage wiring and directly related wiring. Wiring is considered directly related if it originates at the load-side terminals of a disconnecting means or junction box that has been installed complete with line-side connections by others for the specific purpose of supplying the low voltage wiring system involved and is permanently and legibly marked to identify the low voltage wiring system supplied and is not installed in a location considered as hazardous under the National Electrical Code.

The Electrical Specialty Restricted Ground Water Pump (SP-WP) classification allows the licensee to install, maintain, or repair electrical wiring only as an incident to the licensee’s ground water pump business. It authorizes the licensee to install, maintain, or repair only wiring that is directly related to a ground water pump and that is restricted to circuits or part of circuits that operate at voltages not exceeding 600 volts phase–to-phase, is electrically isolated from the building wiring system by an over-current protective isolating device that has been installed complete with line-side connections by others, permanently and legibly marked to identify the equipment served by the device, and is located adjacent to the controller for the specific ground water pump equipment involved and within an enclosure intended solely for and limited to serving that equipment. Also, it authorizes the licensee to install, maintain, or repair only wiring that is directly related to a ground water pump and that originates at the load-side terminals of the protective isolating device and is not installed in a location considered as hazardous under the National Electrical Code.

The Electrical Specialty Restricted Plumbing, Heating, and Air Conditioning (SP-PH) classification authorizes the licensee to install, maintain, or repair electric wiring or devices only as an incident to the licensee’s plumbing, heating, or air conditioning business.

The Electrical Specialty Restricted Single Family Dwelling (SP-SFD) classification allows the licensee to install, maintain, or repair only electrical wiring and devices that are in or on a single family residential dwelling or an ancillary to a single family residential dwelling. Electrical work which is covered by another special restricted license can be performed by a specialty restricted single family dwelling licensee without obtaining the other special restricted license as long as it is in or on a single family residential dwelling or an ancillary to a single family residential dwelling.

The Electrical Specialty Restricted Swimming Pool (SP-SP) classification allows the licensee to install, maintain, or repair swimming pool bonding work only as an incident to the licensee’s business of installing, maintaining, or repairing swimming pools. Furthermore, this license authorizes the licensee to perform only the bonding together of all metal parts of the pool structure including the reinforcing metal of the pool shell, coping stones, and deck, all form shells, all metal fittings within or attached to the pools structure, all metal conduit, metal piping, and fixed metal parts on or near a swimming pool installation.

The Fuel Distribution classification covers the construction, installation, alteration, maintenance, or repair of systems for distribution of petroleum fuels, petroleum distillates, natural gas, chemicals, and slurries through a pipeline from 1 station to another. It includes all excavation, trenching, and backfilling in connection therewith. It covers the installation, replacement, and removal of above ground and below ground fuel storage tanks.

The Heating Group 1, Class 1 classification covers the heating system of a building which requires the use of high pressure or low pressure steam, vapor, or hot water including all piping, ducts, and mechanical equipment appurtenant thereto with, adjacent to, or connected with a building for comfort heating. Class 1 contractors may do this work in residential, commercial, industrial, and institutional buildings.

The Heating Group 1, Class 2 classification covers the heating system of a building which requires the use of high pressure or low pressure steam, vapor, or hot water including all piping, ducts, and mechanical equipment appurtenant thereto with, adjacent to, or connected with a building for comfort heating. Class 2 contractors may do this work in single family detached residential buildings only.

The Heating Group 3, Class 1 classification covers the heating system of a building which produces heat to raise the temperature of the space within the building for the purpose of comfort in which electric heating elements or products of combustion exchange heat either directly with the building supply air or indirectly through a heat exchanger and using an air distribution system of ducts. This license also covers air conditioning units of 15 tons or less. Class 1 contractors may do this work in residential, commercial, industrial, or institutional buildings.

The Heating Group 3, Class 2 classification covers the heating system of a building which produces heat to raise the temperature of the space within the building for the purpose of comfort in which electric heating elements or products of combustion exchange heat either directly with the building supply air or indirectly through a heat exchanger and using an air distribution system of ducts. This license also covers air conditioning units of 15 tons or less. Class 2 contractors may do this work in single family detached residential buildings only.

The Heating Group 2 classification covers air conditioning systems that consist of interacting components producing conditioned air for comfort cooling by lowering the temperature, having a mechanical refrigeration capacity in excess of 15 tons, and circulating the air. Systems installed in single family residences are included under Heating Group 3, regardless of size.

The Plumbing Class 1 classification covers the system of pipes, fixtures, apparatus and appurtenances installed upon the premises or in a building to supply water to and to convey sewage or other waste from the premises or building. The Plumbing Class 1 contractor may do this work in commercial, residential, industrial, and institutional buildings.

The Plumbing Class 2 classification covers the system of pipes, fixtures, apparatus, and appurtenances installed upon the premises or in a building to supply water to and to convey sewage or other waste from the premises or building. The Plumbing Class 2 contractor may do this work in single family detached residential dwellings only.

(Plumbing) Technician: Potable water and drain/waste/vent piping systems. Must be a sub-licensee of a licensed plumbing contractor. This is not a contracting license.

The Asbestos classification allows renovation or demolition activities involving the repair, maintenance, removal, isolation, encapsulation, or enclosure of Regulated Asbestos Containing Materials (RACM) for any commercial, industrial, or institutional building, whether public or private. It also covers all types of residential building construction involving RACM during renovation and/or demolition.

The Boring and Tunneling classification covers the construction of underground or underwater passageways by digging or boring through and under the earth’s surface, including the bracing and compacting of such passageways to make them safe for the purpose intended. This classification also includes the preparation of the ground surfaces at points of ingress and egress.

The Communications classification covers the installation of all types of pole lines and aerial and underground distribution cable for telephone systems, aerial and underground distribution cable for cable TV and master antenna TV systems capable of transmitting RF signals, underground conduit and communication cable including fiber optic cable, microwave systems and towers including foundations and excavations where required when microwave systems are being used for the purpose of transmitting RF signals, and installation of PCS or cellular telephone towers and sites.

The Concrete classification covers the construction and installation of foundations, pre-cast silos and other concrete tanks or receptacles, pre-stressed components, and gunite applications but EXCLUDES bridges, streets, sidewalks, curbs, gutters, driveways, parking lots, and highways.

The Fuel Piping classification covers persons who do not possess the required Class 1 or Class 2 plumbing or heating license but wish to engage in the contracting or installing of fuel piping extending from an approved fuel source at or near the premises, which piping is used in part or entirely to supply fuel to plumbing or heating systems or equipment for which, by its installation, may alter or affect the fuel supply to plumbing or heating of equipment.

The Grading and Excavation classification covers digging, moving and placing of materials forming the surface of the earth (excluding air and water) in such a manner that the cut, fill, excavation, grade, trench, backfill, or any similar operation can be executed with the use of hand and power tools and machines commonly used for these types of digging, moving, and material placing. It covers work on earthen dams and the use of explosives used in connection with all or any part of the activities described in this outline. It also covers clearing, grubbing, and erosion control activities.

The Insulation classification allows the installation, alteration, or repair of materials classified as insulating media used for the non-mechanical control of temperatures in the construction of residential and commercial buildings. It does not include the insulation of mechanical equipment and ancillary lines and piping.

The Marine classification allows all marine construction and repair activities and all types of marine construction in deep water installations and in harbors, inlets, sounds, bays, and channels. It covers dredging, construction and installation of pilings, piers, decks, slips, docks, and bulkheads. It does not include structures required on docks, slips, and piers.

The Public Utilities classification covers work done under the specialty classifications of Boring and Tunneling, Communications, Fuel Distribution, Electrical – Ahead of Point of Delivery, Swimming Pools, Water Lines and Sewer Lines, and Water Purification and Sewage Disposal. It also includes the performance of construction work on water and waste-water systems.

The Railroad classification covers the building, construction, and repair of railroad lines including clearing and filling rights-of-way, shaping, compacting, setting and stabilizing road beds, setting ties, tie plate rails, rail connectors, frogs, switch plates, switches, signal markers, retaining walls, dikes, fences and gates, and construction and repair of tool sheds and platforms.

The Roofing classification covers the installation and repair of roofs and decks on residential, commercial, industrial, and institutional structures requiring materials that form a watertight and weather-resistant surface. For the purposes of this definition “material” includes cedar, cement, asbestos, clay tile, composition shingles, all types of metal coverings, wood shakes, single ply and built-up roofing, protective and reflective roof and deck coatings, sheet metal valleys, flashings, gravel stops, gutters and downspouts, and bituminous waterproofing among other things.

The Swimming Pool classification covers the construction, service, and repair of all swimming pools. It includes the excavation and grading, construction of concrete, gunite, and plastic-type pools, pool decks and walkways, tiling, and coping, the installation of all equipment including pumps, filters, and chemical feeders. It does not include direct connections to a sanitary sewer system or to potable water lines, nor the grounding and bonding of any metal surfaces or the making of any electrical connections.

The Water Lines and Sewer Lines classification covers construction work on water and sewer mains, water service lines, and house and building sewer lines as defined in the North Carolina State Building Code, water storage tanks, lift stations, pumping stations, and appurtenances to water storage tanks, lift stations, and pumping stations. It also includes pavement patching, backfill, and erosion control as part of such construction.

The Water Purification and Sewage Disposal classification covers the performance of construction work on septic systems, water and wastewater treatment facilities and covers all site-work, grading, and paving of parking lots, driveways, sidewalks, and curbs and gutters that are ancillary to such construction of water and wastewater treatment facilities. It covers the work done under the specialty classifications of Concrete, Insulation, Interior construction, Masonry, Roofing, and Metal Erection as part of the work on water and wastewater treatment facilities also.