Classification: Compulsory

A Refrigeration and Air Conditioning Systems Mechanic works on refrigeration, cooling and combined heating cooling combination systems including geo-exchange systems in residential, industrial, commercial, and institutional settings. Specifically, a Refrigeration and Air Conditioning Systems Mechanic:

• plans, lays out, installs, starts-up, connects, maintains, services, repairs, tests, verifies, commissions and decommissions refrigeration and air conditioning systems, electronic components and their accessories
• installs and connects piping for the purpose of conveying all types of refrigerants used for both primary and secondary heating and cooling
• checks efficiency outputs and parameters; inspects and checks operation and integrity of components; determines set points; replaces defective, leaking, discolored and worn components; performs shut-downs and lock outs; makes adjustments to pressures and controls; cleans and lubricates components; checks calibrations; reassembles and repairs components and systems; starts-up, tests and charges the systems
• measures, cuts, bends, threads and connects pipe to functional components and utilities and services, tests, adjusts, commissions and decommissions the system

 Red Seal trade

A Residential (Low Rise) Sheet Metal Installer installs residential air-handling and ventilation systems in low-rise (four storeys or fewer) residential buildings that do not have common conditioned areas. The work is done in self/contained, singlefamily dwellings such as detached, semi-detached and town and linked homes that have a wood frame construction. Specifically, a Residential (Low Rise) Sheet Metal Installer:

• follows safe working practices and procedures and environmental protection practices
• organizes work for residential (low rise) sheet metal installations
• prepares the worksite
• installs ventilation and main ducts

A Residential Air Conditioning Systems Mechanic works on residential air conditioning systems including geo-exchange systems. Specifically, a Residential Air Conditioning Systems Mechanic:

• plans, lays out, installs, starts-up, connects, maintains, services, repairs, tests, verifies, commissions, and decommissions residential air conditioning systems, components and their accessories
• installs and connects piping for the purpose of conveying all types of refrigerants used for both primary and secondary heating and cooling
• maintains, services, repairs and replaces system components and accessories, including electrical and electronic components
• checks efficiency outputs and parameters; inspects and checks operation and integrity of components; determines set points; replaces defective, leaking, discoloured and worn components; performs shut-downs and lock outs; makes adjustments to pressures and controls; cleans and lubricates components; checks calibrations; reassembles and repair components and systems; starts-up, tests and charges the systems
• measures, cuts, bends, threads and connects pipe to functional components and utilities
• services, tests, adjusts, commissions and decommissions the system

A Sheet Metal Worker designs, creates, assembles installs, and repairs sheet metal products. Specifically, a Sheet Metal Worker:

• manufactures, creates, assembles, handles, erects, installs, dismantles, reconditions, adjusts, alters, repairs and/or services all ferrous and nonferrous sheet metal work of No. 10 U.S. Gauge or of any equivalent or lighter gauge and all other materials used in lieu thereof
• reads and understands shop and field sketches used in fabrication and erection, including those taken from original architectural and engineering drawings or sketches
• fabricates or installs metal cladding over insulation

 Red Seal trade

A Sprinkler and Fire Protection Installer lays out, installs, maintains, modifies, inspects and tests fire protection systems, including water-based and speciality fire suppression systems in a variety of environments. Specifically, a Sprinkler and Fire Protection Installer:

• installs water supplies above and below grade for fire protection systems
• installs fire pumps, drivers and controllers, commissions, detection, protection and control systems
•  installs, maintains, and tests water-based fire protection systems

 Red Seal trade

A Steamfitter lays out, assembles, maintains and repairs piping to carry water, steam, fluids, gases, chemicals and fuel for heating, cooling, lubricating and process piping systems. Specifically, a Steamfitter:

• reads and understands design drawings, manufacturers literature and installation diagrams
• lays out, assembles, installs, maintains, and repairs heating, cooling, process or industrial systems
• installs piping for any process, including a process that conveys gas or pneumatic or air-handling system
• installs high-pressure piping for any process
• installs and maintains instrumentation control systems

 Red Seal trade

An Electrician — Domestic and Rural plans/layouts, assembles, connects, installs, repairs, inspects, tests, verifies, maintains and commissions electrical systems specifically in houses, small dwellings and/or farms. He/she also measures, cuts, threads, bends, assembles and installs conduits, electrical conductor enclosures and supports. Electrical systems may include heating, lighting, power digital, communication, control and security systems. Specifically, an Electrician — Domestic and Rural:

• lays out, assembles, installs, repairs, maintains, connects and/or tests electrical systems
• plans installations from blueprints, sketches/specifications, and installs all electrical and electronic devices
• systematically diagnoses faults in electrical and electronic components
• measures, cuts, threads, bends, assembles and installs conduits and other electrical conductor enclosures
• splices and terminates electrical conductors
• tests electrical and electronic equipment to ensure they are functioning properly

The new Electrical Trades’ Curriculum Standard will be phased in over multiple years.

• The new 2024 level 1 will be implemented by all TDAs as of September 1, 2024.
• The new 2024 level 2 will be implemented by all TDAs as of September 1, 2025.
• The new 2024 levels 3 & 4 will be implemented by all TDAs as of September 1, 2026. Level 4 does not apply to 309C.
• Existing 2003 Curriculum levels expire on the August 31st date prior to implementation of the new level.