CONNECTICUT STATUTES AND CODES
Sec. 20-330. Definitions.
Sec. 20-330. Definitions. As used in this chapter:
(1) "Contractor" means any person regularly offering to the general public services
of such person or such person's employees in the field of electrical work, plumbing and
piping work, solar work, heating, piping, cooling and sheet metal work, fire protection
sprinkler systems work, elevator installation, repair and maintenance work, irrigation
work, automotive glass work or flat glass work, as defined in this section;
(2) "Electrical work" means the installation, erection, maintenance, alteration or
repair of any wire, cable, conduit, busway, raceway, support, insulator, conductor, appliance, apparatus, fixture or equipment that generates, transforms, transmits or uses electrical energy for light, heat, power or other purposes, but does not include low voltage
wiring, not exceeding twenty-four volts, used within a lawn sprinkler system;
(3) "Plumbing and piping work" means the installation, repair, replacement, alteration or maintenance of gas, water and associated fixtures, laboratory equipment, sanitary equipment, other than subsurface sewage disposal systems, fire prevention apparatus, all water systems for human usage, sewage treatment facilities and all associated
fittings within a building and includes lateral storm and sanitary lines from buildings
to the mains, process piping, swimming pools and pumping equipment, and includes
making connections to back flow prevention devices, and includes low voltage wiring,
not exceeding twenty-four volts, used within a lawn sprinkler system, but does not
include (A) solar work, except for the repair of those portions of a solar hot water heating
system that include the basic domestic hot water tank and the tie-in to the potable water
system, (B) the installation, repair, replacement, alteration or maintenance of fire prevention apparatus within a structure, except for standpipes that are not connected to
sprinkler systems, and (C) medical gas and vacuum systems work. For the purposes of
this subdivision, "process piping" means piping or tubing that conveys liquid or gas
that is used directly in the production of a chemical or a product for human consumption;
(4) "Solar thermal work" means the installation, erection, repair, replacement, alteration, or maintenance of active, passive and hybrid solar systems that directly convert
ambient energy into heat or convey, store or distribute such ambient energy;
(5) "Heating, piping and cooling work" means (A) the installation, repair, replacement, maintenance or alteration of any apparatus for piping, appliances, devices or accessories for heating systems, including sheet metal work, (B) the installation, repair,
replacement, maintenance or alteration of air conditioning and refrigeration systems,
boilers, including apparatus and piping for the generation or conveyance of steam and
associated pumping equipment and process piping, and (C) on-site operation, by manipulating, adjusting or controlling, with sufficient technical knowledge, as determined by
the commissioner, (i) heating systems with a steam or water boiler maximum operating
pressure of fifteen pounds per square inch gauge or greater, or (ii) air conditioning
or refrigeration systems with an aggregate of more than fifty horsepower or kilowatt
equivalency of fifty horsepower or of two hundred pounds of refrigerant. Heating, piping
and cooling work does not include solar work or medical gas and vacuum systems work
or the passive monitoring of heating, air conditioning or refrigeration systems. For the
purposes of this subdivision, "process piping" means piping or tubing that conveys
liquid or gas that is used directly in the production of a chemical or a product for human
consumption;
(6) "Apprentice" means any person registered with the Labor Department for the
purpose of learning a skilled trade;
(7) "Elevator installation, repair and maintenance work" means the installation,
erection, maintenance and repair of all types of elevators, dumb waiters, escalators, and
moving walks and all mechanical equipment, fittings, associated piping and wiring from
a source of supply brought to the equipment room by an unlimited electrical contractor
for all types of machines used to hoist or convey persons or materials, but does not
include temporary hoisting machines used for hoisting materials in connection with any
construction job or project;
(8) "Elevator maintenance" means the lubrication, inspection and replacement of
controls, hoistway and car parts;
(9) "Fire protection sprinkler systems work" means the layout, on-site fabrication,
installation, alteration, maintenance or repair of any automatic or manual sprinkler system designed for the protection of the interior or exterior of a building or structure from
fire, or any piping or tubing and appurtenances and equipment pertaining to such system
including overhead and underground water mains, fire hydrants and hydrant mains,
standpipes and hose connections to sprinkler systems, sprinkler tank heaters excluding
electrical wiring, air lines and thermal systems used in connection with sprinkler and
alarm systems connected thereto, foam extinguishing systems or special hazard systems
including water spray, foam, carbon dioxide or dry chemical systems, halon and other
liquid or gas fire suppression systems, but does not include (A) any engineering design
work connected with the layout of fire protection sprinkler systems, or (B) any work
performed by employees of or contractors hired by a public water system, as defined
in subsection (a) of section 25-33d;
(10) "State Fire Marshal" means the State Fire Marshal or any member of the Division of State Police to whom the Commissioner of Public Safety has delegated powers
under section 29-291;
(11) "Journeyman sprinkler fitter" means a specialized pipe fitter craftsman, experienced and skilled in the installation, alteration, maintenance and repair of fire protection
sprinkler systems;
(12) "Irrigation work" means making the connections to back flow prevention devices, and low voltage wiring, not exceeding twenty-four volts, used within a lawn
sprinkler system;
(13) "Sheet metal work" means the installation, erection, replacement, repair or
alteration of duct work systems, both ferrous and nonferrous;
(14) "Journeyman sheet metal worker" means an experienced craftsman skilled in
the installation, erection, replacement, repair or alteration of duct work systems, both
ferrous and nonferrous;
(15) "Automotive glass work" means installing, maintaining or repairing fixed glass
in motor vehicles;
(16) "Flat glass work" means installing, maintaining or repairing glass in residential
or commercial structures;
(17) "Medical gas and vacuum systems work" means the work and practice, materials, instrumentation and fixtures used in the construction, installation, alteration, extension, removal, repair, maintenance or renovation of gas and vacuum systems and equipment used solely to transport gases for medical purposes and to remove liquids, air-gases or solids from such systems;
(18) "Solar electricity work" means the installation, erection, repair, replacement,
alteration, or maintenance of photovoltaic or wind generation equipment used to distribute or store ambient energy for heat, light, power or other purposes to a point immediately
inside any structure or adjacent to an end use;
(19) "Active solar system" means a system that uses an external source of energy
to power a motor-driven fan or pump to force the circulation of a fluid through solar
heat collectors and which removes the sun's heat from the collectors and transports such
heat to a location where it may be used or stored;
(20) "Passive solar system" means a system that is capable of collecting or storing
the sun's energy as heat without the use of a motor-driven fan or pump;
(21) "Hybrid solar system" means a system that contains components of both an
active solar system and a passive solar system; and
(22) "Gas hearth product work" means the installation, service or repair of a propane
or natural gas fired fireplace, fireplace insert, stove or log set and associated venting
and piping that simulates a flame of a solid fuel fire. "Gas hearth product work" does
not include (A) fuel piping work, (B) the servicing of fuel piping, or (C) work associated
with pressure regulating devices, except for appliances gas valves.
(February, 1965, P.A. 493, S. 1; 1967, P.A. 789, S. 1; P.A. 74-341, S. 15, 16; P.A. 82-312, S. 3, 4; 82-439, S. 1, 7; 82-472, S. 89, 183; P.A. 83-426, S. 1; P.A. 87-588, S. 2, 8; P.A. 90-194, S. 1; P.A. 98-3, S. 23; P.A. 99-170, S. 1; 99-253, S.
1; P.A. 00-128, S. 1, 3; P.A. 02-27, S. 1; 02-92, S. 1; P.A. 03-83, S. 1, 2; P.A. 05-88, S. 1; 05-211, S. 1; P.A. 06-157, S.
2; P.A. 07-183, S. 1.)
History: 1967 act redesignated plumbing work as plumbing and piping work and redefined same, redesignated steamfitting work as heating, piping and cooling work and redefined same, included as contractors persons doing elevator installation
and maintenance as well as repair work and expanded former definition for elevator repair-work, added definitions for
elevator maintenance and apprentice, rearranged statute to delete definitions for electrician, plumber, steamfitter and
elevator repairman and deleted definition for journeyman; P.A. 74-341 redefined "plumbing and piping work" to specifically exclude subsurface sewage disposal systems; P.A. 82-312 included in definition of "plumbing and piping work"
repair of portions of solar hot water heating system which include domestic hot water tank and tie-in to potable water
system, effective October 1, 1983; P.A. 82-439 added definition for "solar work" and, on and after April 1, 1984, excluded
solar work from definitions of "plumbing and piping work" and "heating, piping and cooling work", effective October 1,
1983; P.A. 82-472 subdivided the section; P.A. 83-426 changed from April 1, 1984, to July 1, 1984, date from which "solar
work" excluded from definitions of "plumbing and piping work" and "heating, piping and cooling work"; P.A. 87-588
redefined "contractor" to include persons engaged in the field of fire protection sprinkler systems, redefined "plumbing
and piping work" to exclude work on fire prevention apparatus within a structure, except for standpipes which are not
connected to sprinkler systems, redefined "apprentice" and added Subdivs. (9), (10) and (11) defining "fire protection
sprinkler systems work", "state fire marshal" and "journeymen sprinkler fitter", respectively, effective July 1, 1988; P.A.
90-194 defined "irrigation work" and redefined "contractor", "electrical work" and "plumbing and piping work" to include
or exclude irrigation, as the case may be; (Revisor's note: In 1997 the reference in Subdiv. (10) to "state police department"
was changed editorially by the Revisors to "Division of State Police"); P.A. 98-3 made technical changes; P.A. 99-170
made technical and gender neutral changes, redefined "contractor" to include automotive glass and flat glass workers, and
added new Subdivs. defining "automotive glass work" and "flat glass work"; P.A. 99-253 made gender neutral and technical
changes, redefined "contractor" to include sheet metal workers, and added new Subdivs. defining "sheet metal work" and
"journeyman sheet metal worker"; P.A. 00-128 redefined "heating, piping and cooling work" in Subdiv. (5) to include
sheet metal work and to make technical changes, effective May 26, 2000; P.A. 02-27 redefined "fire protection sprinkler
systems work" in Subdiv. (9) to include "maintenance" of any sprinkler system and related equipment; P.A. 02-92 redefined
"plumbing and piping work" and "heating, piping and cooling work" in Subdivs. (3) and (5), respectively, to exclude
medical gas and vacuum systems work and added Subdiv. (17) defining "medical gas and vacuum systems work", effective
July 1, 2003 (Revisor's note: In Subdiv. (5) the new reference to "... or medical gas and vacuum systems;" was changed
editorially by the Revisors to "... or medical gas and vacuum systems work;" for consistency); P.A. 03-83 added "process
piping" to the definition of "plumbing and piping work" in Subdiv. (3) and the definition of "heating, piping and cooling
work" in Subdiv. (5) and defined the term in both Subdivs.; P.A. 05-88 amended Subdivs. (3) and (5) to include piping or
tubing that conveys liquid or gas that is used directly in the production of a chemical in the definition of "process piping";
P.A. 05-211 deleted definition of "solar work" and defined "solar thermal work", "solar electricity work", "active solar
system", "passive solar system" and "hybrid solar system"; P.A. 06-157 defined "gas hearth product work"; P.A. 07-183
redefined "heating, piping and cooling work" in Subdiv. (5) to include on-site operation of heating systems with steam or
water boiler maximum operating pressure of 15 pounds per square inch gauge or greater, or air conditioning or refrigeration
systems with aggregate of more than 50 horsepower or kilowatt equivalency of 50 horsepower or of 200 pounds of refrigerant
and to exclude the passive monitoring of heating, air conditioning or refrigeration systems, effective July 1, 2007.
See Sec. 20-334a re types of licenses.
See Sec. 29-329 re regulations concerning the installation and operation of gas equipment and piping.
Subdiv. (2):
Cited. 209 C. 719.
Cited. 12 CA 251.
Subdiv. (5):
Cited. 34 CA 123.
Subdiv. (6):
Cited. 3 CA 707.