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H
I
J
L
M
N
O
P
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U
V
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| A |
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| AC/DC | Alternating and direct currents; used to measure electrical current. |
| Acid gas emissions | Gases containing acid that are discharged into the air. |
| Acid Rain | Rain containing acids that form in the atmosphere when industrial gas emissions combine with water. |
| Air conditioning system | A system that cools and dries air. |
| Amp | The basic unit of electric current. |
| Apprenticeship | Hands-on training to learn a trade, art, or business while getting paid. |
| Arborist | A specialist in the care of trees. |
| Arc | The sparking that results when undesirable current flows between two points of differing potential. |
| Atoms | A part or particle, the smallest unit of an element. |
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| B | Back to Top |
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| Benefits | An entitlement available that covers the cost of some or all medical and well-being expenses. |
| Biomass | Plant material, vegetation, or agricultural waste used as a fuel or energy source. |
| Blackout | A temporary loss of power caused by a failure in generation or transmission. |
| Boiler maker | Someone who makes the boilers. |
| Brownout | A reduction or cutback in electric power, especially as a result of a shortage, a mechanical failure, or overuse by consumers. |
| Bucket truck | A truck with an aerial lift device used to work on lines, towers and poles. |
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| C | Back to Top |
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| Calandria tube | The calandria tube contains heavy water and is itself enclosed by a large vessel called the calandria, containing dozens of calandria tubes. |
| Calibrate | To check, adjust, or determine by comparison with a standard. |
| Circuits | A continuous path for the flow of electricity. |
| Coal | A fossil fuel that is burned to heat the water the water and produce electricity in a fossil power plant. |
| Commissioning | The act of granting certain work to external companies to carry out a particular task or duty. |
| Construction | The art, trade, or work of building. |
| Control Technician | Performs installations, commissioning, fabrications, modifications, overhaul inspections, troubleshooting, predictive maintenance, repair and preventive maintenance. |
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| D | Back to Top |
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| Distribution | Lower voltages of electricity that are distributed to households. |
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| E | Back to Top |
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| Electricians | People who install, maintain, repair, or operate the electrical equipment and circuitry. |
| Electricity | Electric current used as a source of power. |
| Electricity sector | The organizations, regulatory bodies and companies that are involved in the generation and delivery of electricity |
| Electricity usage | The amount of electricity used by a customer. |
| Electronic | Devices that operate on electricity. |
| Energize | Connecting to a source of power. |
| Energy | A source of usable power. |
| Enriched uranium | Uranium that’s uranium-235 content has been increased through the process of isotope separation. |
| Extraction equipment | Mechanical equipment used to extract fuel from a nuclear unit. |
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| F | Back to Top |
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| Fabrications | Things that are made or created. |
| Forester | A worker who clears trees and brush away from electrical lines and rights-of-way. |
| Fossil | A remnant or trace of an organism of the past, such as a skeleton or leaf imprint, embedded and preserved in the earth's crust. |
| Fossil plant | A generation plant fueled by fossil fuels: coal, oil or natural gas. |
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| Gas | A gaseous fuel, such as natural gas. |
| Generating capacity | The maximum amount of electric power produced by a generator. |
| Generation | The process of production of electric power. |
| Geothermal | The internal heat of the earth. |
| Global warming | An increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change. |
| Green power | Electricity produced from renewable sources such as wind, low-impact hydroelectric, biomass and solar. |
| Grid | The wires, transformation and distribution stations that make up the electrical system. |
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| H | Back to Top |
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| Health and safety | The promotion of awareness to achieve a safe environment and work ethic/procedure. |
| Heat | A form of energy associated with the motion of atoms or molecules. |
| Heat exchanger | A device which transfers heat through a conducting wall from one fluid to another. |
| Hydro pole | A wooden, steel or concrete pole that is used to support the distribution lines. |
| Hydroelectric | Generating electricity by converting the energy of running water. |
| Hydrostatic | Relating to fluids at rest or to the pressures they use or transmit. |
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| I | Back to Top |
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| Ice Storm of ‘98 | Rain, ice pellets and a bit of snow fell for more than 80 hours. The precipitation exceeded 85 mm in Ottawa, 73 mm in Kingston, 108 mm in Cornwall and 100 mm in Montreal. The weight of the freezing rain was too great for the hydro towers, poles and wires causing them to collapse. Many people were out of power, some for more than three weeks. |
| Imaging equipment | Equipment used to examine devices for internal damage not visible to the naked eye. |
| Industrial Mechanical Millwright | A skilled tradesperson that works on machinery in an industrial environment. |
| Insulator | A material that insulates, in particular a nonconductor of electricity. |
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| J | Back to Top |
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| Journeyperson | A tradesperson who has completed his or her apprenticeship. |
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| Landfills | Where waste material is disposed. |
| Lathe | A machine for shaping a piece of material, such as wood or metal, by rotating it rapidly along its axis while pressing against a fixed cutting or abrading tool. |
| Leak detection | Finding leaks in buried transmission lines or pipelines. |
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| M | Back to Top |
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| Machinist | One who makes, operates, or repairs machines. |
| Mechanical Maintainer | Plays an essential role in equipment surveillance and maintenance programs to ensure safe and reliable plant operations. |
| Mechanics | Workers skilled in making, using or repairing vehicles. |
| Metering | Measuring the amount of electricity used by a consumer for billing purposes. |
| Methane gas | An odorless, colorless, flammable gas, which is the major component of natural gas. |
| Milling machine | A machine in which metal that is secured to a carriage is fed against rotating cutters that shape it. | |
| Millwright | Someone who designs, builds, or repairs mills or mill machinery |
| Mould making | Creating a mould that is used to shape or form a needed part, tool or product. |
| MW | A megawatt; one million watts. |
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| N | Back to Top |
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| Neutrons | Electrically neutral subatomic particles bound in an atoms nucleus. |
| Niagara Falls - Sir Adam Beck | A hydroelectric generating plant named after Ontario’s founding father of electricity, Sir Adam Beck. |
| Non-intrusive infrared thermography | Used to detect heat variations on the transmission system that indicate areas in need of repair. |
| Nuclear | Energy that is produced by splitting the atoms of Uranium fuel. The heat produced is used to turn water into steam. |
| Nuclear Operator | Monitors equipment and systems to ensure strict adherence to all safety levels and procedures. |
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| O | Back to Top |
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| Oil | Any of numerous mineral, vegetable, synthetic substances, and animal and vegetable fats that are generally slippery, combustible, viscous, liquid or liquefiable at room temperatures, soluble in various organic solvents such as ether but not in water, and used in a great variety of products, especially lubricants and fuels. |
| Ontario Hydro | The predecessor company to ESA, Hydro One, IESO, and OPG. |
| Ontario Womens’ Directorate | A division of the Ministry of Citizenship and Immigration, the OWD works to promote women’s economic independence and prevent violence against women. |
| Outage | A temporary suspension of operation (e.g. power outage). |
| Overhaul | To refurbish a system or machine so that it is restored to 100 per cent form and function. |
| Overhead lines | Above ground distribution and transmission wires. |
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| P | Back to Top |
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| PassPort to Safety | An innovative national youth health and safety test and transcript program that verifies youth have a basic understanding of what they need to know to protect themselves from injury at work. |
| Pension | A sum of money paid regularly as a retirement benefit, earned after a defined number of years of service. |
| Plastic suits | Protective equipment used within nuclear stations in different radiation zones. |
| Plumber | A person who installs and repairs pipes and plumbing |
| Pneumatic | A structure that is filled with air or powered by air pressure. |
| Pole-top transformers | About the size of a garbage can, these devices convert the voltage from the distribution lines into a usable voltage for the customer. |
| Power Line Technician | Constructs, repairs and maintains transmission and distribution lines on poles, towers and structures. |
| Prehistoric plants | Plant material from the prehistoric age, in fossil form. |
| Pressure tube | Pressurised water or heavy water flows through the pressure tubes and conveys the heat to a steam generator. |
| Pruning | Cutting off or removing parts or branches to improve shape or growth. |
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| R | Back to Top |
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| Radiation | Energy that is given off or transmitted as rays, waves, or in the form of particles. |
| Reciprocating equipment | Equipment that moves alternatively backwards and forwards, such as pumps, saws and other tools. |
| Reconnect to grid | Bringing generation back on line to the transmission and distribution network. |
| Refurbish | To make new through repair and replacement of worn parts. |
| Regulations | Principles, rules, or laws designed to control or standardize. |
| Respirators | A device that supplies oxygen or a mixture of oxygen and carbon dioxide for breathing. |
| Rights-of-way | A right-of-way is a type of easement that gives a utility company the right to erect power lines or bury a gas pipeline across a tract of land. |
| Roping/rigging | A system of pulleys, ropes and cables used to assist in lifting operations. |
| Rotating equipment | Mechanical equipment that has rotating devices. |
| Rural distribution | Lower voltages of electricity that are distributed to households outside of urban areas. |
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| Safety advocates | Individuals working within the safety field. |
| Skilled trades | A job or career that requires a lengthy apprenticeship and considerable skill and expertise. |
| Solar | Energy that is harnessed from the sun’s rays and transformed into usable energy. |
| Stationary equipment | Mechanical equipment without rotating devices. |
| Steam | Water converted to an invisible vapour or gas by being heated to the boiling point. |
| Steamfitter | Someone who installs and repairs heating, ventilating, refrigerating and air-conditioning systems. |
| String wire busses | Installing electrical wires from pole to pole. |
| Substation | A secondary or branch station. |
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| Technician | One whose occupation requires training in a specific technical process. |
| Technologist | A specialist in technology. |
| Tool and Die Maker | Fabricates a wide variety of tools, jigs, fixtures and dies for use in industrial and manufacturing production. |
| Tooling | Work or ornamentation done with tools. |
| Torque | A turning or twisting force. |
| Toxic emissions | Harmful substances that are discharged into the air or water. |
| Transformer station | Converts the electricity produced at a generating station or from transmission lines into the voltage required for distribution lines. |
| Transmission | System that carries the electricity at high voltage from various generation points. |
| Transmission towers | Metal structures that support the transmission lines. |
| Tritium | A rare radioactive hydrogen isotope. |
| Troubleshoot | To determine and solve problems through methodical investigation. |
| Truck and Coach Technician | Services and maintains all types of vehicles and equipment. |
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| U | Back to Top |
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| Ultrasonic measure flow | Use the transit time principle to calculate flow rate. |
| Universal flow measuring equipment | Devices that measure flow rates through a variety of methods. |
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| V | Back to Top |
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| Ventilation | Admits fresh air in to replace stale or harmful air. |
| Voltage | The difference in electrical charge between two points in a circuit; expressed in volts. |
| Voltage — high | A voltage greater than 50,000 volts. |
| Voltage — low | A voltage less than 50,000 volts. |
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| Welder | A person who joins metals by welding them together. |
| Wind Energy | Energy that is produced with the wind turns the blades on a windmill, which in turn turns the turbine that drives the generator producing electricity. |
| Wire conductor | A wire that carries an electrical charge. |
| Wires | Flexible metallic strands or rods made in many lengths and diametres, often electrically insulated, used to conduct electricity. |
| WIST | (Women in Skilled Trades) – Provides pre-apprenticeship training geared to increase the number of women in skilled trades jobs. |
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